Tag Archives: reducer worm gear

China Custom Best quality worm gearbox reduction gearbox worm gear reducer supplier

Relevant Industries: Industrial robots, production automation
Excess weight (KG): eleven KG
Gearing Arrangement: Planetary
Output Torque: one hundred-160Nm
Enter Speed: 4000-8000RPM
Output Pace: 1-10000RPM
Item title: Greatest quality worm gearbox reduction gearbox worm gear reducer
Ratio: 3-10, 15-100
Micro Backlash PO: ≤1
Micro Backlash P1: ≤3
Micro Backlash P2: ≤5
Mounting Placement: All directions
Application: Industrial robots, creation automation
Packaging Information: Plastic bag, foam and carton for every established of planetary reducer. Or as asked for.
Port: ZheJiang

Best good quality worm gearbox reduction gearbox worm equipment reducer

YK precision planetary gearbox reducer attributes:Reduced sounds: <65dbLow backlash: Min 3arcs for Single stage, Min 5 arcs for Double phase.Large torque: Higher torque when compared to exact same amount normal planetary gearbox reducer.Substantial balance: Higher-toughness alloy steel as content, hardening remedy for the whole equipment parts but not only floor hardening.High reduction ratio: Modular design and style to guarantee the large precision connection.

Specialized Parameters of TER120

PhaseDeviceA single StageTwo Stage
Ratioithree, 4, 5, 6, 7, 8, 9, 10fifteen, twenty, twenty five, thirty, 35, forty, forty five, fifty, sixty, 70, eighty, ninety, a hundred
Nominal Output Torque T 2NNmone hundred thirty, one hundred forty, 160, one hundred fifty, one hundred forty, 120, 100, one hundreda hundred thirty, a hundred and forty, 160, a hundred and fifty, 140, 120, a hundred, one hundred sixty, 150, 140, one hundred twenty, a hundred, 100
Crisis Cease Torque T 2NOToneNm3 Occasions of Nominal Output Torquethree Times of Nominal Output Torque
Nominal Input Pace n 1Nrpm40004000
Max Input Velocity n 1Brpm80008000
Micro Backlash P0arcmin≤1≤1
Micro Backlash P1arcmin≤3≤5
Micro Backlash P2arcmin≤5≤7
Torsional RigidityNm/arcmin77
Max Radial Load F 2rBtwoN32503250
Max Axial Load F 2aBtwoN16251625
Support Existence threehr20000(Repeatedly 10000)20000(Repeatedly 10000)
Effectiveness η%≥97%≥94%
Fatkg3.7five.three
Working Temp°C-10°C ~ +90°C-10°C ~ +90°C
Lubrication Synthetic Lubrication OilsArtificial Lubrication Oils
Mounting Position All direcstionsAll direcstions
Sounds (n=3000rpm, i=10, No load)dB(A)≤60≤60
Mass Moments of Inertia Jonekg.cmtwo.sixty one, .48, .47, .45, .forty five, .forty four, .forty four, .44, 044.forty seven, .47, .47, .47, .forty seven, .forty seven, .47, .44, .44, .44, .44, .44, .44
Notes: 1. Max acceleration torque T=sixty% of T2NOT.
2. Used to the output shaft centre at 100rpm.
3. For steady procedure, the services lifestyle time is no less than ten,000hrs.

Company Data and Our Provider Packing and Shipping and delivery FAQQ: How prolonged is your supply time?A: Normally it is ten days if the merchandise are in stock. or it is around 30 days if the items are not in inventory, it is according to quantity.
Q: Do you offer samples ? is it totally free or added ?A: Of course, we could supply the sample but not cost-free, and do not shell out the cost of freight.
Q: What is your phrases of payment ?A: Payment=1000USD, 30% T/T in progress, equilibrium prior to shippment.If you have another concern, pls come to feel free of charge to get in touch with us as beneath:

A-Drive PWC single worm reducer

A worm gear is a gear used to reduce the speed of a mechanical device. Often used in the automotive and shipbuilding industries, these gears have a lifespan comparable to many other types of reducers. As a result, worm gears continue to be popular with engineers.
worm_reducer

Agknx driver

Conical drive worm reducers are an excellent choice for a variety of applications. The double-enveloping worm gear geometry of the Agknx Drive reducer provides a larger contact area and higher torque carrying capacity. This specialized gear system is also ideal for applications requiring higher precision.
Agknx Drive’s products are ideal for the solar, packaging, steel, food and pulp and paper industries. Additionally, Agknx Drive’s products are ideal for motion control and medium to heavy duty applications. The company’s dedicated sales and service teams are available to assist with your specific needs.
Agknx drive worm gear reducers are available in single, double and triple reductions. Depending on the application, a single stage unit can transport up to 7,500 lbs. of torque. Its low-cost, compact design makes it a convenient option. Conical drive gearboxes are versatile and durable.
X & H

X & H worm gear units feature worm gear sets and are available in two different series. The X-Series includes XA versions with shaft and XF to XC versions with motor mounts. Compared to the XC compact series, the XF series offers outstanding versatility and higher efficiency. The H series combines the features of the X series with a spur gear pre-stage on the input. The H series has a die cast aluminum housing and cast iron shaft.
The X & H Worm Reducer Series “H” helical gears are compatible with NMRV and C side input 56F wired motors. These gear reducers are low cost and easy to install. They feature a cast iron housing and four threaded mounting holes.
RV seriese aluminum right angle

RV seriese aluminum right angle worm reduces versatility and durability. They are available in a variety of sizes including 25, 30, 40, 50, 63, 75, 110, 130, 150. Featuring standard NEMA motor input flanges and torque arm or foot mounting options, these reducers are ideal for a variety of applications.
RV series worm gear reducer is made of high-quality aluminum alloy with compact structure. It also features light weight, corrosion resistance and low noise. Its housing is made of die-cast aluminum alloy, while the worm gear is made of 20CrM. The worm gear is heat treated by carbon quenching to increase its hardness. The thickness of the carbide layer is between 0.3-0.5mm.
These worm gear reducers have multiple functions to maximize efficiency. In addition to being corrosion resistant, they are available in a variety of sizes to suit any application. Other features include a corrosion-resistant cast iron housing, enclosed breather, double-lip seal and magnetic drain plug. These worm gear reducers are available with single or dual input shafts and are interchangeable with NMRVs.
Aluminum alloy right angle worm reducer is a light, durable and efficient gear reduction device. Its compact design makes it lighter than other gearheads, while its rust-resistant surface and long life make it an excellent choice for industrial and automotive applications. It is available in a variety of sizes, including inches.
worm_reducerAGknx Single

Worm reducers can be classified as sacrificial gears. It is used to reduce the torque of the machine. It has two parts: a worm and wheels. The worm can be made of brass or steel. Brass worm gears corrode easily. Phosphorus EP gear fluid can run on brass worm gears. It creates a thin oxide layer on the gear teeth, protecting them from impact forces and extreme mechanical conditions. Unfortunately, it can also cause serious damage to the brass wheels.
Worm reducers work by transferring energy only when the worm is sliding. This process wears away the lubricating layer and metal of the wheel. Eventually, the worm surface reaches the top of the wheel and absorbs more lubricant. This process will repeat itself in the next revolution.
Worm reducers have two benefits: they are compact and take up little space. They can slow down high-output motors while maintaining their torque. Another important feature of the worm gear reducer is its high transmission ratio capability. It can be installed in both vertical and horizontal positions, and a bidirectional version is also available.
Worm gears have some complications compared to standard gear sets, but overall they are reliable and durable. Proper installation and lubrication can make them sturdy, efficient devices.
A-Drive AGknx Single

If you’re considering purchasing a new worm gear reducer for your A-Drive AGknx single, you need to understand your goals. While single-stage worm reducers can be used, their reduction ratios are often limited. In most cases, they can only achieve a reduction ratio of 10:1. However, there are other types of gears that provide additional speed reduction capabilities.
The worm reducer consists of two parts: the input worm and the output worm. Each component has its own rotational speed, the input worm rotates in a single direction and the output worm wheel rotates vertically. In a five-to-one ratio, the input worm rotates five times for each output worm. Likewise, a 60-to-1 ratio requires 60 revolutions of each worm. Due to this arrangement, the worm reducer is inefficient. Gear reduction is inefficient due to sliding friction rather than rolling friction.
Worm reducers are also susceptible to thermal stress. They run hotter than hypoid reducers, which reduces their useful life. In addition to higher heat, worm reducers can experience component failure over time. In addition, an oil change is imminent due to the deterioration of lubrication.
The worm gear reducer of the A-Drive PPC single is a direct drive gearbox for personal watercraft. It has bronze bushings, aluminum gears, and a spool box. The spool box has a quarter-inch plated spool to wrap 1/4-inch 7 x 19 aircraft cable. Its design also makes it a more efficient alternative to belt-driven AGknx cranes.
worm_reducerAGknx X & H

The AGknx X & H worm gear reducer series is a high-performance universal mount worm gear reducer. It features a spur gear primary on the input for higher performance and a wider range of gear ratios. Its design also allows it to be used with a variety of input shaft types, including shaft and closed-coupled applications.
It is available in a variety of sizes, including popular frame sizes 90 and 110. The worm shaft is made of case-hardened alloy steel with a cast iron hub and bronze ring gear. The standard output shaft is hollow. There are also models with dual single-shaft outputs.

China Custom Best quality worm gearbox reduction gearbox worm gear reducer     supplier China Custom Best quality worm gearbox reduction gearbox worm gear reducer     supplier

China wholesaler Wholesale price worm gearbox WPO 50 speed reducer motor reductor worm gear backdrive

Warranty: 1 12 months, 1 Year
Applicable Industries: Accommodations, Garment Shops, Building Substance Outlets, Manufacturing Plant, Equipment Fix Outlets, Restaurant, Power & Mining, Other, Reducer
Fat (KG): one hundred KG
Customized assistance: OEM, ODM, OBM, OEM, ODM, OBM
Gearing Arrangement: Worm
Output Torque: ninety ~ 3000 Nm
Input Speed: 1450 RPM
Output Velocity: .2 ~ one hundred twenty RPM
Variety: Reducer
Packaging Specifics: Wood scenario
Port: ZheJiang

Product Information [email protected] Display DESCRIPTION Manufacturing facility Screening Tools Roughness Tester Metallography Microscope Micro vickers Contourograph Coordinate Measuring Machine Peak Guage Firm Details ZheJiang CZPT Driving Tools Technology Co., Ltd. ZheJiang CZPT Driving Tools Technology Co., Ltd. is a expert R&D and maker of couplings, cardan shafts and gearboxes with a registered cash of 36.88 million. The business addresses an spot of 55 acres, with a production workshop of 12,000 square meters and 108 manufacturing gear. With strong energy, innovative technological process and more than 20 several years of producing expertise, the firm has passed ISO9001 quality management program certification. It was recognized as a high-tech enterprise by ZheJiang Province Industry and Data Engineering. It is a member device of transmission connecting components of China Equipment Common Components Industry Association, and has 8 utility model patent certificates. The company’s foremost merchandise largely include elastic couplings, rigid couplings and other dozens of sequence of couplings with 1000’s of requirements, which are commonly employed in metallurgy, mining, cement, paper, electrical electricity, chemical industry, wind power, petroleum, port machinery, and many others. industry. It has provided strong technological and products support for the import and localization of couplings of a lot of domestic metal mills, and has won unanimous praise from the greater part of consumers. Get in touch with us[email protected] COOPERATIVE Customers OUR Certification FAQ 1: Are you a investing organization or a company ?We are a specialist producer of couplings and common joints.2:Why select CZPT Driving Equipment Engineering?As a expert manufacturer of coupling and common joints, we have a skillful team of workers and designers To provide our buyers with initial-class services.3: Can You Strictly Follow The Tolerance on The Drawing And Meet up with The Higher Precision?Of course, we can, we can supply large precision components and make the areas as your drawing.5:How to deal with the components obtained when they are discovered to be in poor high quality?A: In circumstance of non- conformance, you should get in touch with us immediately, we will check out the difficulties and have them reworked or repaired at the first time. If none of these operates, we support a refund.six: Can I get a Reducer motor sample?A : Of Course . We source cost-free samples for you check out top quality.

Advantages and disadvantages of worm gear reducer

If you are looking for a worm gear reducer, you have come to the right place. This article will cover the pros and cons of worm gear reducers and discuss the different types available. You will learn about multi-head worm gear reducers, hollow shaft worm gear reducers as well as hypoid gear sets and motors.
worm_reducer

Hollow shaft worm gear reducer

Hollow shaft worm gear reducers are used to connect two or more rotating parts. They are available in single-axis and dual-axis versions and can be connected to various motor types. They can also have different ratios. The ratios of these gear reducers depend on the quality of the bearings and assembly process.
Hollow shaft worm gear reducers are made of bronze worm gears and cast iron hubs. The gears are lubricated with synthetic oil. They are lightweight and durable. They can be installed in various engine housings. Additionally, these gear reducers are available in a variety of sizes. The range includes 31.5, 40, 50, 63, and 75mm models. Other sizes are available upon request.
In addition to worm gear reducers, there are also helical gear reducers. These reducers can achieve very low output speeds. They are also suitable for all-around installations. In addition, the advantage of a multi-stage reducer is that it is more efficient than a single-stage gear reducer. They also feature low noise, low vibration, and low energy consumption.
Hollow shaft worm gear reducers are generally less expensive and last longer. They are also a suitable replacement for solid shaft gearboxes for machines that require high torque without compromising strength. Typical gear arrangements include worm, spur, helical and bevel gears. Gear ratio is the ratio of input torque to output torque.

Multi-head worm gear reducer

The multi-head worm gear reducer is used to reduce the speed of the machine. It uses friction to hold the worm in place while transmitting power. These gears can also be called ground worms and hardened worm gears. They are useful in conveying systems and most engineering applications.
Multiple worm reducers have a large number of gear ratios. These gear designs have a central cross-section that forms the front and rear boundaries of the worm gear. This design is a better choice than other worm gears because it is less prone to wear and can be used with a variety of motors and other electronics.
Adjustable multi-head worm gear reducer to reduce axial play. Usually, the backlash on the left and right sides of the worm is the same. However, if you need less backlash, you can buy a double lead worm gear. This design is ideal for precision applications requiring small clearances. The lead of the opposing teeth of the double worm gear is different from the right side, so the backlash can be adjusted without adjusting the center distance between the worm gears.
Worm gear reducers are available from a variety of manufacturers. Many gear manufacturers stock these gears. Since the gear ratios are standardized, there is no need to adjust the height, diameter, or length of the shaft. Worm gears have fewer moving parts, which means they require less maintenance.
worm_reducer

Hypoid Gear Set

Worm gears are the most common type of gear. While these gears are great for high-to-low ratios, hypoid gear sets are much more efficient in all ratios. This difference is due to higher torque density, better geometry and materials, and the way hypoid gears transmit force differently than worm gears.
Hypoid gear sets have curved helical teeth. This results in smooth gear meshing and little noise. This is because the hypoid gears start to slowly contact each other, but the contact progresses smoothly from tooth to tooth. This reduces friction and wears, thereby increasing the efficiency of the machine.
The main advantages of hypoid gears over worm gears are higher torque capacity and lower noise levels. Although their upfront cost may be higher, hypoid gears are more efficient than worm gears. They are able to handle higher initial inertia loads and can deliver more torque with a smaller motor. This saves money in the long run.
Another advantage of hypoid gears is the lower operating temperature. They also do not require oil lubrication or ventilation holes, reducing maintenance requirements. The hypoid gear set is maintenance-free, and the grease on the hypoid gear set lasts for decades.

Hypoid gear motor

A hypoid gear motor is a good choice for a worm gear reducer as it allows for a smaller motor and more efficient energy transfer. In fact, a 1 hp motor driving a hypoid reducer can provide the same output as a 1/2 hp motor driving a worm reducer. A study by Nissei compared two gear reduction methods and determined that a hypoid gear motor produces more torque and power than a worm reducer when using a fixed reduction ratio of 60:1. The study also showed that the 1/2 HP hypoid gear motor is more energy efficient and reduces electricity bills.
Worm reducers run hotter than hypoid gears, and the added heat can shorten their lifespan. This can cause components to wear out faster, and the motor may require more frequent oil changes. In addition, hypoid gear motors are more expensive to manufacture.
Compared to worm gears, hypoid gears offer higher efficiency and lower operating noise. However, they require additional processing techniques. They are made of bronze, a softer metal capable of absorbing heavy shock loads. Worm drives require work hardening and are less durable. Operating noise is reduced by up to 30%, and hypoid gears are less prone to breakage than bevel gears.
Hypoid gear motors are prized for their efficiency and are used in applications requiring lower torque. A unique hypoid tooth profile reduces friction. In addition, hypoid gear motors are ideal for applications where space is limited. These geared motors are often used with pulleys and levers.

R series worm gear reducer

R series worm gear reducers have a variety of characteristics that make them ideal for different applications. Its high rigidity cast iron housing and rigid side gears are designed for smooth drive and low noise. It also features high load capacity and long service life. Additionally, it can be assembled into many different configurations as required.
High efficiency, large output torque and good use efficiency. It comes in four basic models ranging from 0.12KW to 200KW. It can be matched with right angle bevel gearbox to provide large speed ratio and high torque. This combination is also suitable for low output and high torque.
worm_reducer

AGKNX Electric Worm Gear Reducer

AGKNX Electric worm gear reducers are available with NEMA C-face mounting flanges for a variety of motors. These reducers feature double lip oil seals, an aluminum alloy housing, and two bearings on the input and output shafts. These reducers are rust-proof and have epoxy paint on the inside. They are available in a variety of ratios, from 7.5:1 to 100:1.
Worm reducers are one of the most cost-effective and compact gears. These reducers increase output torque while reducing input speed. AGKNX Electric’s worm gear reducers are pre-installed with Mobil SHC634 Synthetic Gear Oil. These reducers have an internal oil gallery guide to protect the shaft. They also have a one-piece cast iron housing.
AGKNX Electric Corporation is the leading independent distributor of electric motors in the United States. They have eight strategically located warehouses, enabling them to ship most orders on the same day. They offer motors of various sizes up to 20,000 hp. They also offer a variety of motor controls and variable speed drives.
China wholesaler Wholesale price worm gearbox WPO 50 speed reducer motor reductor     worm gear backdriveChina wholesaler Wholesale price worm gearbox WPO 50 speed reducer motor reductor     worm gear backdrive

China manufacturer Low Speed Rpm Worm Speed Gear Gearbox Reduction Gear Box Reducer (Nmrv Nrv) with Hot selling

Product Description

Product Description

Approach for product selected
Make sure you realize the following at 1st in purchase to choose the design of NMRV velocity reducer effectively:
– Loading problem.
– Velocity scope or ratio in software.
– Functioning issue and atmosphere.
– Installation area.

Outline doing work issue Coefficient K1 and revise coefficient K2.
– Make certain machinery load kinds A, B, C in accordance to desk 1.
– Get the working situation coefficient K1 from diagram 1 according to turning time (hour/day) and start
frequency (time/hour).
– Examine operating situation and decide on coefficient K2 from table 2.

Table 1 Machinery Load classification choice

Desk 2 Functioning issue coefficient K2

Merchandise Parameters

NMRV worm equipment motor

Certifications

Company Profile

HangZhou Welldone Transmission Equipment Co., Ltd. specializes in producing various kinds of little and medium-sized equipment, 3 period asynchronous motor, this kind of as DC motor, AC motor, reducer, planetary reducer, servo reducer, and so forth. We have specialist gear tester (equipment all-round inspection), CZPT hardness tester, Rockwell hardness tester (examination hardness once again to ensure use resistance), radial runout detection (detect motor managing in and balance, so that the motor can decrease put on and no sound during higher-pace procedure), endure voltage tester (detect leakage, higher than standard voltage, no leakage), inter flip tester, surge examination motor stator winding change to flip insulation, thickened coil, same energy torque output, torque is better.

The “Welldone” gear reducer created by our firm sells well in provinces, municipalities and autonomous locations of the country. It is broadly used in metallurgy, mining, lifting, transportation, petroleum, chemical, textile, pharmaceutical, food, light-weight industry, grain, oil, feed and other industries, and is deeply trustworthy by clients.
Welcome new and previous customers to pay a visit to and manual.

FAQ

Q: How to choose a suited motor or gearbox?
A: If you have motor images or drawings to display us, or you have thorough specs, such as, voltage, pace, torque, motor size, doing work mode of the motor, required lifetime and noise stage and so forth, make sure you do not hesitate to permit us know, then we can advise ideal motor per your ask for accordingly.

Q: Do you have a custom-made services for your common motors or gearboxes?
A: Of course, we can customise per your request for the voltage, pace, torque and shaft dimensions.

Q: What is your lead time?
A: Generally talking, our standard standard product will need to have 2-7days, a little bit lengthier for personalized goods. It will depend on the specific orders.

Q: What information should be presented, if I acquire motors from you?
A: Rated power, gearbox ratio, input speed, mounting placement. A lot more specifics, much better!

Q: How about your packing?
A: Carton, Plywood scenario. If you want much more, we can pack all merchandise in pallets.

Simply click below for deep communication.

Major Products

Using situation Example Load type
Uniform load Convey band (uniform conveying) A(Uniform load)
Moderate Load Speed changed conveying B(Moderate load)
Severe Load Compressor, pulverizer, etc C(Severe load)

###

Ambient temperature Working condtion coefficient K2
-10C~30C 1
30C-40C 1.1~1.2

###

Model RV Model  RV Properties  Motor Model  Motor Properties  Attention
RV075 with 2.2KW NMRV075  L:198.5  2.2KW  Y100  Need to determine hollow or solid
RV090 with 2.2KW NMRV090  L:232.5  2.2KW  Y100 
RV063 with 1.5KW NMRV063  L:167  1.5KW  Y90L 
RV075 with 1.5KW NMRV075  L:198.5  1.5KW  Y90L 
RV090 with 1.5KW NMRV090  L:232.5  1.5KW  Y90L 
RV063 with 1.1KW NMRV063  L:167  1.1KW  Y90S 
RV075 with 1.1KW NMRV075  L:198.5  1.1KW  Y90S 
RV090 with 1.1KW NMRV090  L:232.5  1.1KW  Y90S 
RV050 with 0.75KW NMRV050  L:140  0.75KW  Y80 
RV063 with 0.75KW NMRV063  L:167  0.75KW  Y80 
RV075 with 0.75KW NMRV075  L:198.5  0.75KW  Y80 
RV090 with 0.75KW NMRV090  L:232.5  0.75KW  Y80 
Using situation Example Load type
Uniform load Convey band (uniform conveying) A(Uniform load)
Moderate Load Speed changed conveying B(Moderate load)
Severe Load Compressor, pulverizer, etc C(Severe load)

###

Ambient temperature Working condtion coefficient K2
-10C~30C 1
30C-40C 1.1~1.2

###

Model RV Model  RV Properties  Motor Model  Motor Properties  Attention
RV075 with 2.2KW NMRV075  L:198.5  2.2KW  Y100  Need to determine hollow or solid
RV090 with 2.2KW NMRV090  L:232.5  2.2KW  Y100 
RV063 with 1.5KW NMRV063  L:167  1.5KW  Y90L 
RV075 with 1.5KW NMRV075  L:198.5  1.5KW  Y90L 
RV090 with 1.5KW NMRV090  L:232.5  1.5KW  Y90L 
RV063 with 1.1KW NMRV063  L:167  1.1KW  Y90S 
RV075 with 1.1KW NMRV075  L:198.5  1.1KW  Y90S 
RV090 with 1.1KW NMRV090  L:232.5  1.1KW  Y90S 
RV050 with 0.75KW NMRV050  L:140  0.75KW  Y80 
RV063 with 0.75KW NMRV063  L:167  0.75KW  Y80 
RV075 with 0.75KW NMRV075  L:198.5  0.75KW  Y80 
RV090 with 0.75KW NMRV090  L:232.5  0.75KW  Y80 

Worm Reducer

Worm reducers are commonly used to reduce the Agknx produced by a rotating shaft. They can achieve reduction ratios of five to sixty. In contrast, a single-stage hypoid gear can achieve up to a 120:1 reduction ratio. For further reduction, another type of gearing is used. So, a single stage worm reducer cannot achieve higher ratios than these.<brworm_reducer

Mechanics

A worm reducer is an auxiliary mechanical device that uses worms to reduce the size of a rotating shaft. These worms have a range of tooth forms. One form is a line weave twist surface. Another is a trapezoid based on a central cross section. The trapezoid can be perpendicular to the tooth cross section, or it can be normal to the root cross section. Other forms include involute helicoids and convolute worms, which use a straight line intersecting the involute generating line.
Worm gears are lubricated with a special lubricant. Because worm gears are complex, it’s important to use the correct lubricant. Worm gear manufacturers provide approved lubricants for their gears. Using unapproved gear oil can damage your reducer’s efficiency. The right lubricant depends on several factors, including load, speed, duty cycle, and expected operating temperatures.
The efficiency of a worm gear reducer depends on several factors, including losses at gear mesh, losses in the bearings, and windage in the oil seal lip. In addition, the worm gear reducer’s efficiency varies with ambient temperature and operating temperature. The worm gear reducer’s efficiency can also vary with the ratio of the load. Moreover, worm gear reducers are subject to break-in.
Worm gear reducers are used in many different applications. They are typically used in small electric motors, but they’re also used in conveyor systems, presses, elevators, and mining applications. Worm gears are also commonly found in stringed musical instruments.
Worm gears have excellent reduction ratios and high Agknx multiplication, and they’re often used as speed reducers in low to medium-speed applications. However, the efficiency of worm gear reducers decreases with increasing ratios.

Sizes

Worm reducers come in different sizes and tooth shapes. While the tooth shape of one worm is similar to the other, different worms are designed to carry a different amount of load. For example, a circular arc worm may have a different tooth shape than one with a secondary curve. Worm gears can also be adjusted for backlash. The backlash is the difference between the advancing and receding arc.
There are two sizes of worm reducers available from Agknx Transmission. The SW-1 and SW-5 models offer ratios of 3.5:1 to 60:1 and 5:1 to 100:1 respectively. The size of the worm reducer is determined by the required gear ratio.
Worm gears have different thread counts. One is based on the central cross-section of the worm, and the other is on the right. Worm gears can have either a single or double thread. Single-threaded gears will reduce speed by 50 percent, while double-threaded gears will reduce speed by 25 percent.
Worm gear reducers are lightweight and highly reliable. They can accommodate a variety of NEMA input flanges and hollow output bore sizes. Worm reducers can be found at 6 regional warehouses, with prepaid freight. To make a purchasing decision, you should consider the horsepower and Agknx requirements of your specific application.
worm_reducer

Applications

The Worm Reducer market is a global business that is dominated by the North American and European regions. The report provides in-depth information on the market trends, key challenges, and opportunities. It also examines the current state of the industry and projects future market growth. The report is organized into segments based on product type, major geographical regions, and application. It also presents statistics and key data about the market.
Worm gear reducers have many applications. They can be used to increase the speed of convey belts. They also help reduce noise. Worm gears have many teeth that touch the gear mesh, which makes them quieter. Moreover, the worm gears require only a single stage reducer, reducing the number of moving parts in the system.
The worm gear has long life and is suitable for different industries. It is a perfect choice for elevators and other applications that need fast stopping and braking. Its compact size and ability to hold a load make it suitable for these applications. It also prevents the load from free-falling as a result of a sudden braking. Worm gears can also be used in heavy-duty machinery such as rock crushers.
Worm gears are similar to ordinary gears except that they transfer motion at a 90-degree angle. As a result, the worm gears are extremely quiet, making them a suitable option for noise sensitive applications. They are also excellent for low-voltage applications, where the noise is critical.
Worm gears are ideal for applications with space restrictions, because they require fewer gear sets. The worm gears also allow for a smaller gearbox size. Consequently, they are the perfect choice for machines that are space-constrained, such as conveyors and packaging equipment.

Cost

The lifespan of a worm gear reducer is comparable to other gear reducers. Worm gears have a long history of innovation and use in various industries, from shipbuilding to automobile manufacturing. Today, these gear reducers are still popular with engineers. However, there are some things to keep in mind before buying one.
In the first place, a worm reducer needs to be affordable. Generally, a worm reducer costs about $120. The price varies with the brand name and features. Some products are more expensive than others, so be sure to shop around for the best price. In addition, it is important to consider the quality and design of the worm reducer before making a purchase.
Worm gear manufacturers have made significant advancements in materials, design and manufacturing. These advancements, along with the use of advanced lubricants, have resulted in significant increases in efficiency. For example, double enveloping worm gear reducers have improved efficiency by three to eight percentage points. This improvement was achieved through rigorous testing of manufacturing processes and materials. With these improvements, worm gear reducers have become more desirable in today’s market.
Worm reducers are extremely versatile and reliable, and are available in a variety of sizes. Domestic manufacturers usually stock a large selection of reducers, and are often able to ship them the same day you place your order. Most major domestic worm gear reducer manufacturers also share some critical mounting dimensions, such as the output shaft diameter, the mounting hole location, and the overall reducer housing height. Most manufacturers also offer standardized gear ratios. Some manufacturers have also improved gear design and added synthetic lubricants for better performance.
In addition, different tooth shapes of worms can increase their load carrying capacity. They can be used on secondary curves and circular arc cross sections. Moreover, the pitch point defines the boundary of the cross section. The mesh on the receding arc is smoother than that of the advancing arc. However, in the case of negative shifting, most of the mesh is on the receding arc.
worm_reducer

Self-locking function

A worm reducer has a self-locking function. When a worm is fitted with all of its addendum teeth, the total number of teeth in the system should be greater than 40. This self-locking function is achieved through the worm’s rack and pinion mechanism. The worm’s self-locking feature can prevent the load from being dropped and is useful for many applications.
The self-locking function of a worm reducer is possible for two main reasons. First of all, a worm reducer uses two or more gears. One gear is placed at the input, and the other gear runs the output shaft. This mechanism produces a torque, which is transmitted to a spur gear.
Worm reducers can be used in a variety of industrial applications. Because of their self-locking function, they are useful for preventing back-driving. They are also helpful for lifting and holding loads. Their self-locking mechanism allows for a large gear reduction ratio without increasing the size of a gear box.
Self-locking gears can be used to prevent back-driving and inertial driving. This is useful for many industries and can prevent backdriving. However, one major disadvantage of self-locking gears is their sensitivity to operating conditions. Lubrication, vibration, and misalignment can affect their reliability.
Embodiments of the invention provide a self-locking mechanism that prevents back-driving but allows forward-driving. The self-locking mechanism may comprise first and second ratchet cams disposed about a gear member. A releasable coupling member may be interposed between the gear member and the ratchet cam. This facilitates selective coupling and decoupling.
The worm reducer has several advantages. Its compact design is ideal for many mechanical transmission systems. It also provides greater load capacity than a cross-axis helical gear mechanism.

China Standard Wpa Wep/Wpa/Wpa2/Wps Routers Wpa/Wps/Wpx/Wpo 40/50/60/70/80/100 Ratio Worm Gear Speed Reducer wholesaler

Product Description

WP worm gearbox is a new technology item developed by our manufacturing unit on the foundation of bettering WJ series products and combining superior systems at property and overseas. The visual appeal adopts advanced sq. box composition. Its shell is created of higher good quality solid iron. Little quantity, mild bodyweight, high radiation efficiency, higher output torque, smooth operation, low noise. It suits all positions.
The merchandise are widely used in the making equipments of all sorts of industries inside and outdoors China. They are the very best options for presently modern day facilities of mechanical reducing drive control to realize large twisting length, massive gear ratio, tiny noise, large efficiency and security.
one. Attributes:
1) Higher top quality aluminum alloy Motovario like gear box, gentle excess weight and non-rusting
2) Big output torque, secure transmission with reduce sounds
3) Higher heat-radiating deficiency, stylish shape, sturdy service life and modest dimension
four) Appropriate for omni-bearing installation
two. Positive aspects:
one) Easy in running and tiny in volume 
2) Substantial in radiating efficiency 
3) Sturdy in services life 
four) Perform prolonged time in dreadful condition 
five) Totally sealed and non-rusting
3. Set up
one)The base-plate must be plane and stoutness and the base-plate must be screwed down and shock proof.
2)The connecting shaft of prime mover, reducer and operation device must be coaxial installation.
three)The diameter tolerance zone of input and output shaft is H6, the holes of fitness(such as couplings, belt-pulley, sprocket wheel and so on) must properly mate the shaft, which prevents bearing from breakage because of over-loose mate.
four)Drivers such as sprocket wheel and gear must be fitted close to bearings in order to reduce bending stress of hanging shaft.
5)While assembling motor of WPD reducer, it is necessary that proper amount of butter applies to the warm shaft input hole and keyway, avoiding assembling too tightly and rusting after using for a long time.
six)When ordering or using all kinds of WPD type, if the motor weight is binger than the common, supporting set is required.
4. Usage
Before using,please check carefully whether the reducer model, distance, ratio, input connecting method, 
output shaft structure, input and output shaft direction and revolving direction accord with required.

Technological knowledge: 
Torque: 2N.m-3571N.m 
Input speed: 1000r/min, 1500r/min 
Output pace: .thirty-419r/min 
Energy: .04KW-15KW

WP reducer, divided into standard WPS sequence, standard WPD series, common WPA, WPO,WPDA,WPDO,WPDS,WPDS and so on. WP worm equipment and worm reducer is designed on the foundation of WD reducer, the worm is manufactured of forty five # substantial quality steel soon after heat therapy processing and producing, worm equipment with tin bronze forged, dress in-resisting efficiency is very good, specifically on the bearing capacity is much more evident, worm equipment and worm reducer is mainly used in plastics, metallurgy, beverage, mining, lifting transport, chemical reduction drive construction and other mechanical tools.
Rewards
1.Clean transmission, vibration, influence and noise are modest, velocity reduction ratio, wide versatility, can be utilized with a range of mechanical gear.
2.Can be a one amount of transmission to get a more substantial transmission ratio, compact structure, most versions of reducer has a very good self-locking, braking demands of mechanical equipment can preserve the braking gadget
three.worm tooth tooth meshing friction reduction is massive, so the transmission effectiveness is decrease than the equipment, straightforward to heat and high temperature.
four.Larger needs for lubrication and cooling.
5.Good mutual compatibility, worm equipment and worm are made according to national requirements, bearings, oil seals and other standard components.
6.The box body type contains standard kind (the box human body is vertical or horizontal sort with foot board) and universal variety (the box physique is cuboid, with mounted screw holes on numerous sides, without having foot board or one more foot board, and so on.).
seven. There are 2 link modes of input shaft: fundamental sort (solitary enter shaft and double enter shaft) and motor flange.
eight. The place path of the output and input axes is beneath and above the input axes Output shaft up and down Enter axis up and down.
nine. Two or 3 reducer sets can be utilized to type a multistage reducer to obtain a highest transmission ratio.
 

Model: WP40,50,60,70,80,100,120,135,155,175,200,250
Ratio: 1:10,15,20,25,30,40,50,60
Color: Green Or Customer Request
Noise: low noise (<50DB)
Advantage: Efficient and safe operating

Material:

Housing:Cast iron and Copper alloy
Worm Gear-Bronze 9-4#
Worm with carburizing and quenching, surface harness is 56-62HRC
Shaft-chromium steel-45#
Packing: Carton and Wooden Case
Bearing: C&U Bearing
Certificate: ISO9001,CE,3C,OEM
Warranty: 12 months
Input Power:    0.06kw, 0.09kw, 0.12kw, 0.18kw, 0.25kw, 0.37kw, 0.55kw, 0.75kw, 1.1kw, 1.5kw, 2.2kw, 3kw, 4kw, 5.5kw, 7.5kw, 11kw, 15kw       
Usages: Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing,
Woodworking,Glass.
IEC Flange: 56B5, 56B14, 63B5, 63B14, 71B5, 71B14, 80B5, 80B14, 90B5, 90B14, 100B5, 100B14, 112B5, 112B14, 132B5, 160B5
Lubricant: Synthetic & Mineral
Model: WP40,50,60,70,80,100,120,135,155,175,200,250
Ratio: 1:10,15,20,25,30,40,50,60
Color: Green Or Customer Request
Noise: low noise (<50DB)
Advantage: Efficient and safe operating

Material:

Housing:Cast iron and Copper alloy
Worm Gear-Bronze 9-4#
Worm with carburizing and quenching, surface harness is 56-62HRC
Shaft-chromium steel-45#
Packing: Carton and Wooden Case
Bearing: C&U Bearing
Certificate: ISO9001,CE,3C,OEM
Warranty: 12 months
Input Power:    0.06kw, 0.09kw, 0.12kw, 0.18kw, 0.25kw, 0.37kw, 0.55kw, 0.75kw, 1.1kw, 1.5kw, 2.2kw, 3kw, 4kw, 5.5kw, 7.5kw, 11kw, 15kw       
Usages: Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing,
Woodworking,Glass.
IEC Flange: 56B5, 56B14, 63B5, 63B14, 71B5, 71B14, 80B5, 80B14, 90B5, 90B14, 100B5, 100B14, 112B5, 112B14, 132B5, 160B5
Lubricant: Synthetic & Mineral

Worm gear reducer

Cheaper than planetary gearboxes In many cases, worm gear reducers are a popular alternative to planetary gearboxes. A worm gear reducer is a mechanical device with vertical input and output shafts. This allows for very high reduction ratios. They are typically used in high-reduction situations such as machine tools.
Worm gears are cheaper than traditional gearboxes. They also have many benefits, including noise reduction. The output shaft of the worm gear reducer is almost 90 degrees from the motor input shaft, making it ideal for high-torque applications.
The worm gear reducer adopts an aluminum body, which is light in weight and high in operation efficiency. Additionally, they are available with hollow shafts and mounting flanges. In terms of initial cost, worm gear reducers are cheaper than planetary gearboxes. In addition, they have better efficiency and longer service life.
Worm drives are also ideal for portable battery-powered lifting equipment. The high gear ratio of the worm gear ensures that it does not reverse drive. The worm gear has a spring-applied brake that holds the motor in place.
Planetary gearboxes are popular among industrial users. The efficiency of planetary gearboxes is important for practical applications.
worm_reducer

pocket

The compact worm gear unit consists of a housing with an inner cavity. It has two side walls, one on either side of the front cover (13) and one on both sides of the rear cover (14). The front end cap is screwed onto the housing and the inner cavity is accessed through the rear end cap.
The compact worm gear unit can be configured to suit your application. They have many advantages, including saving space and increasing torque. The range includes single-envelope and double-envelope versions, available in a number of different power ratings. Additionally, they are IP65-rated, making them ideal for applications involving high radial or axial forces.
The compact worm reducer is a simple but effective worm drive. Its worm gear 16 meshes with the output shaft and rotates relatively stably. It also has a front-end cap and rear bearing. This enables the compact worm reducer to reduce vibration without damaging the output shaft.
Compact worm gear reducers are ideal for many applications and offer high efficiency. The compact design means you can mount them on the motor’s flange or base. Its durable construction makes it ideal for a variety of industries. They are extremely durable and can handle high-pressure and washdown conditions. They also come standard with a synthetic shaft.

high efficiency

High-efficiency worm gear reducers are ideal for applications that require precision, repeatability, and efficient performance. These reducers are designed with state-of-the-art servo motor technology to provide tight integration and an angular backlash of less than two arc minutes. The reduction ratio can be lower if the application requires it.
Rising energy costs have led to an increased focus on the efficiency of drives. In response to this, manufacturers have increased the efficiency of worm gear reducers through a number of technical improvements. By minimizing losses from rolling and sliding friction, worm gear reducers are more efficient than their counterparts.
The high-efficiency worm reducer is simple in design and has the characteristics of a compact structure, high-speed ratio, low power consumption, and self-locking. Other advantages of these reducers include low noise and long service life. Many also have built-in control systems that allow manual and remote adjustments. They also feature automatic shutdown protection and thermal protection.
High-efficiency worm reducers can be used for mechanical acceleration. The input hypoid gear is usually made of steel, while the output hypoid gear is usually made of bronze. Bronze is a soft metal that is good at absorbing shock loads. However, bronze requires work hardening to achieve optimum hardness. For large worm gears, this process can take 300 to 550 hours.
worm_reducer

low clearance

A low-clearance worm reducer is a device used to adjust the speed of a rotating shaft. It uses a worm gear consisting of two members. One worm is at one end of the shaft and the other is at the other end. Both worms are screwed into the synchronous drive structure.
Low clearance worm gear reducers can be produced on conventional worm gear production lines without overlapping investments. These units are usually made of soft rubber. Also, they are relatively quiet in operation. These machines are designed so that they are suitable for use in elevators. The softer material in the worm gear also helps absorb shock loads.
The tooth profile of the worm gear is designed to change with the axial movement of the worm. Worms have thinner right teeth and thicker left teeth. As the worm moves to the right, its teeth mesh with the worm gear, reducing backlash.
There are many different types of worm gears. The design of gears depends on many factors, including backlash, thermal design, friction factors and lubrication. Worm gears are made of several different materials. Some different types of materials used in worm gears require special lubrication.

quieter

The quieter worm reducer is designed to reduce the noise level of the rotating gear motor. The device has more gear teeth in meshing contact with the gears, which helps it run more quietly. In addition to being quieter than other transmissions, it’s also less expensive than its counterparts.
Worm gearboxes can be used for different applications, but they are not as efficient as helical gearboxes. Worm reducers are cheaper but less than 90% efficient. Higher gear ratios reduce efficiency, so worm gear reducers are better suited for applications that require low-speed torque. The cost of buying a worm gearbox will depend on the horsepower and gear ratios required.
Worm reducers are also more comfortable to use than planetary gearboxes. They don’t vibrate and heat up quickly, making them an excellent choice for low to medium horsepower applications. Worm gear reducers can be upgraded to improve their performance by combining with other gear trains or gearboxes.
worm_reducer

easy to replace

An easily replaceable worm gear reducer can save you a lot of money. A worm gear reducer is part of a chain drive and allows you to change gear ratios quickly and easily. Worm gear reducers can be easily replaced in a number of ways. It’s a good idea to read the manufacturer’s manual before replacing a worm gear reducer. Make sure you have the instructions available so you can refer to them in the future.
Worm gear reducers offer many advantages, including long service life and low noise. They are also designed with a 90-degree output shaft for easy installation. Another advantage of these gear reducers is that they can be used with both solid and hollow output shafts. This means less maintenance and downtime.
Worm gear reducers are widely used. Most gear manufacturers have large inventories. Worm gears also have uniform mounting dimensions. Dimensional consistency means you don’t have to worry about matching the shaft length and diameter to the worm gear. You can easily find a replacement worm gear reducer for your equipment.
When replacing the worm gear reducer, check the lubricating oil recommended by the machine. If not included, use original gear oil. Be sure to follow the manufacturer’s instructions carefully.

China Hot selling Nmrv030 Speed Reducer Ratio 80: 1 Worm Gear High Torque near me factory

Solution Description

SC Transmission NMRV030 Speed Reducer Ratio 80:one
Worm Equipment Substantial Torque

Design

NMRV50

NMRV63

We can Modify the Worm Wheel. offer the Specific Gearbox.

Also if have the big amount, we can go over.

 

For the other Measurement, We offer you the Special Torque Limiter As the Following

 

 

 

Advantages and disadvantages of worm gear reducer

If you are looking for a worm gear reducer, you have come to the right place. This article will cover the pros and cons of worm gear reducers and discuss the different types available. You will learn about multi-head worm gear reducers, hollow shaft worm gear reducers as well as hypoid gear sets and motors.
worm_reducer

Hollow shaft worm gear reducer

Hollow shaft worm gear reducers are used to connect two or more rotating parts. They are available in single-axis and dual-axis versions and can be connected to various motor types. They can also have different ratios. The ratios of these gear reducers depend on the quality of the bearings and assembly process.
Hollow shaft worm gear reducers are made of bronze worm gears and cast iron hubs. The gears are lubricated with synthetic oil. They are lightweight and durable. They can be installed in various engine housings. Additionally, these gear reducers are available in a variety of sizes. The range includes 31.5, 40, 50, 63, and 75mm models. Other sizes are available upon request.
In addition to worm gear reducers, there are also helical gear reducers. These reducers can achieve very low output speeds. They are also suitable for all-around installations. In addition, the advantage of a multi-stage reducer is that it is more efficient than a single-stage gear reducer. They also feature low noise, low vibration, and low energy consumption.
Hollow shaft worm gear reducers are generally less expensive and last longer. They are also a suitable replacement for solid shaft gearboxes for machines that require high torque without compromising strength. Typical gear arrangements include worm, spur, helical and bevel gears. Gear ratio is the ratio of input torque to output torque.

Multi-head worm gear reducer

The multi-head worm gear reducer is used to reduce the speed of the machine. It uses friction to hold the worm in place while transmitting power. These gears can also be called ground worms and hardened worm gears. They are useful in conveying systems and most engineering applications.
Multiple worm reducers have a large number of gear ratios. These gear designs have a central cross-section that forms the front and rear boundaries of the worm gear. This design is a better choice than other worm gears because it is less prone to wear and can be used with a variety of motors and other electronics.
Adjustable multi-head worm gear reducer to reduce axial play. Usually, the backlash on the left and right sides of the worm is the same. However, if you need less backlash, you can buy a double lead worm gear. This design is ideal for precision applications requiring small clearances. The lead of the opposing teeth of the double worm gear is different from the right side, so the backlash can be adjusted without adjusting the center distance between the worm gears.
Worm gear reducers are available from a variety of manufacturers. Many gear manufacturers stock these gears. Since the gear ratios are standardized, there is no need to adjust the height, diameter, or length of the shaft. Worm gears have fewer moving parts, which means they require less maintenance.
worm_reducer

Hypoid Gear Set

Worm gears are the most common type of gear. While these gears are great for high-to-low ratios, hypoid gear sets are much more efficient in all ratios. This difference is due to higher torque density, better geometry and materials, and the way hypoid gears transmit force differently than worm gears.
Hypoid gear sets have curved helical teeth. This results in smooth gear meshing and little noise. This is because the hypoid gears start to slowly contact each other, but the contact progresses smoothly from tooth to tooth. This reduces friction and wears, thereby increasing the efficiency of the machine.
The main advantages of hypoid gears over worm gears are higher torque capacity and lower noise levels. Although their upfront cost may be higher, hypoid gears are more efficient than worm gears. They are able to handle higher initial inertia loads and can deliver more torque with a smaller motor. This saves money in the long run.
Another advantage of hypoid gears is the lower operating temperature. They also do not require oil lubrication or ventilation holes, reducing maintenance requirements. The hypoid gear set is maintenance-free, and the grease on the hypoid gear set lasts for decades.

Hypoid gear motor

A hypoid gear motor is a good choice for a worm gear reducer as it allows for a smaller motor and more efficient energy transfer. In fact, a 1 hp motor driving a hypoid reducer can provide the same output as a 1/2 hp motor driving a worm reducer. A study by Nissei compared two gear reduction methods and determined that a hypoid gear motor produces more torque and power than a worm reducer when using a fixed reduction ratio of 60:1. The study also showed that the 1/2 HP hypoid gear motor is more energy efficient and reduces electricity bills.
Worm reducers run hotter than hypoid gears, and the added heat can shorten their lifespan. This can cause components to wear out faster, and the motor may require more frequent oil changes. In addition, hypoid gear motors are more expensive to manufacture.
Compared to worm gears, hypoid gears offer higher efficiency and lower operating noise. However, they require additional processing techniques. They are made of bronze, a softer metal capable of absorbing heavy shock loads. Worm drives require work hardening and are less durable. Operating noise is reduced by up to 30%, and hypoid gears are less prone to breakage than bevel gears.
Hypoid gear motors are prized for their efficiency and are used in applications requiring lower torque. A unique hypoid tooth profile reduces friction. In addition, hypoid gear motors are ideal for applications where space is limited. These geared motors are often used with pulleys and levers.

R series worm gear reducer

R series worm gear reducers have a variety of characteristics that make them ideal for different applications. Its high rigidity cast iron housing and rigid side gears are designed for smooth drive and low noise. It also features high load capacity and long service life. Additionally, it can be assembled into many different configurations as required.
High efficiency, large output torque and good use efficiency. It comes in four basic models ranging from 0.12KW to 200KW. It can be matched with right angle bevel gearbox to provide large speed ratio and high torque. This combination is also suitable for low output and high torque.
worm_reducer

AGKNX Electric Worm Gear Reducer

AGKNX Electric worm gear reducers are available with NEMA C-face mounting flanges for a variety of motors. These reducers feature double lip oil seals, an aluminum alloy housing, and two bearings on the input and output shafts. These reducers are rust-proof and have epoxy paint on the inside. They are available in a variety of ratios, from 7.5:1 to 100:1.
Worm reducers are one of the most cost-effective and compact gears. These reducers increase output torque while reducing input speed. AGKNX Electric’s worm gear reducers are pre-installed with Mobil SHC634 Synthetic Gear Oil. These reducers have an internal oil gallery guide to protect the shaft. They also have a one-piece cast iron housing.
AGKNX Electric Corporation is the leading independent distributor of electric motors in the United States. They have eight strategically located warehouses, enabling them to ship most orders on the same day. They offer motors of various sizes up to 20,000 hp. They also offer a variety of motor controls and variable speed drives.

China best Hot Sales Wpa Transmission Horizontal Vertical Worm Gear Reducer with Free Design Custom

Product Description

SC Transmission Hot sales WPA transmission
horizontal vertical worm gear reducer

Product Description

Introductions of WP Series Worm Gearbox

WP Worm gearbox is developed on the basis of WD Worm gearbox for electric motor.
 

The worm is made of 45# high-quality steel by heat treatment. The worm wheel is made of tin bronze. The wear resistance is good, especially in the bearing capacity. This type gearbox is mainly used for the reduction transmission of various mechanical equipments such as plastics, metallurgy, beverages, mining, lifting and transportation, and chemical construction.

For industry applications that demand reliable speed reduction at a high energy efficiency, worm gearbox for electric motor offer a perfect solution. We carry worm gearbox for electric motor products in double reduction, single reduction and worm-helical types for versatile functionality, good performance.

Specifications

1,Small machine shape, light weight, without the use of shaft coupling, chain, sprockets and other transmission parts.
2,The space is small, the input shaft is mounted directly to the machine side, can effectively save space.
3,Low cost. Due to the direct installation, without transmission parts, assembly time can be reduced, in general, can reduce the cost of.
4,Easy installation, stable operation, long service life, high carrying capacity. Because of direct docking and motor installation, can completely prevent contact transmission parts, does not need a safety cover which can ensure the safety.

Application Scope

WP gear reducer series are widely used in food, leather, glass, ceramics, metallurgy, mining, lifting, transportation, cement, construction, chemical, textile, printing and dyeing, pharmaceutical and other equipment
Manufacture for WP worm gearbox single worm gearbox, double worm gearbox, universal worm gearbox. And Screw jack reducer.

Product Parameters

Applicable Industries:  Manufacturing Plant, Food & Beverage Factory, Energy & Mining
Gearing Arrangement:                                               Worm       
Output Torque:  170-291
Input Speed:  1500 rpm (according to motor)     
Output Speed: 25 -300
Place of Origin:                               China   
Housing Material:                                              Die-cast iron
Heat treatment:                                 Carburizing & Quenching               

 

Company Profile

FAQ

Shipping

Types of Screw Shafts

Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which 1 is the best choice for your project? Here are some tips to choose the right screw:

Machined screw shaft

The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
screwshaft

Acme screw

An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
screwshaft

Lead screw

A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, 1 should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.

Fully threaded screw

A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are 2 major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically 1 millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect 2 elements.
screwshaft

Ball screw

The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.

China best Hot Sales Wpa Transmission Horizontal Vertical Worm Gear Reducer   with Free Design CustomChina best Hot Sales Wpa Transmission Horizontal Vertical Worm Gear Reducer   with Free Design Custom

China Best Sales Small Parts Factory Manufacturing Worm Gear Worm Reducer Screw Worm near me factory

Product Description

Product Description

Product Parameters

Item Spur Gear Axle Shaft
Material 4140,4340,40Cr,42Crmo,42Crmo4,20Cr,20CrMnti, 20Crmo,35Crmo
OEM NO Customize
Certification ISO/TS16949
Test Requirement Magnetic Powder Test, Hardness Test, Dimension Test
Color Paint , Natural Finish ,Machining All Around
Material Aluminum: 5000series(5052…)/6000series(6061…)/7000series(7075…)
Steel: Carbon Steel,Middle Steel,Steel Alloy,etc.
Stainess Steel: 303/304/316,etc.
Copper/Brass/Bronze/Red Copper,etc.
Plastic:ABS,PP,PC,Nylon,Delrin(POM),Bakelite,etc.
Size According to Customer’s drawing or samples
Process CNC machining,Turning,Milling,Stamping,Grinding,Welding,Wire Injection,Cutting,etc.
Tolerance ≥+/-0.03mm
Surface Treatment (Sandblast)&(Hard)&(Color)Anodizing,(Chrome,Nickel,Zinc…)Plating,Painting,Powder Coating,Polishing,Blackened,Hardened,Lasering,Engraving,etc.
File Formats ProE,SolidWorks,UG,CAD,PDF(IGS,X-T,STP,STL)
Sample Available
Packing Spline protect cover ,Wood box ,Waterproof membrane; Or per customers’ requirements.

 

Our Advantages

Why Choose US ???

 

 1. Equipment :

Our company boasts all necessary production equipment,
including Hydraulic press machines, Japanese CNC lathe (TAKISAWA), Korean gear hobbing machine (I SNT), gear shaping machine, machining center, CNC grinder, heat treatment line etc. 

 

 

2. Processing precision:

We are a professional gear & gear shafts manufacturer. Our gears are around 6-7 grade in mass production.

3. Company:

We have 90 employees, including 10 technical staffs. Covering an area of 20000 square meters.

4. Certification :

Oue company has passed ISO 14001 and TS16949

5.Sample service :

We provide free sample for confirmation and customer bears the freight charges

6.OEM service :

Having our own factory and professional technicians,we welcome OEM orders as well.We can design and produce the specific product you need according to your detail information

 

Cooperation Partner

Company Profile

Our Featured Products

 

 

 

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
screwshaft

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these 2 styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during 1 rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China Best Sales Small Parts Factory Manufacturing Worm Gear Worm Reducer Screw Worm   near me factory China Best Sales Small Parts Factory Manufacturing Worm Gear Worm Reducer Screw Worm   near me factory

China supplier Transmission Motor Gearbox Unit Wp Nmrv Swl Screw Drive Lifts Stepper Cyclo Cycloidal Extruder Helical Planetary Bevel Worm Speed Variator Gear Reducer Gearbox near me manufacturer

Product Description

Transmission Motor Gearbox Unit Wp Nmrv Swl Screw Drive Lifts Stepper Cyclo Cycloidal Extruder Helical Planetary Bevel Worm Speed Variator Gear Reducer Gearbox

Features

1. Compact structure and simple assembly;
2. Wide speed ranges and high torque;
3. Low noise, good sealing performance, high efficiency;
4. Stable and safe, long lifetime, universal;
5. Multi-structure, various assembling methods

 

Product Photos

 

Product Description

 

                                                                                      ANG Helical Gear Reducer
Model R17 ~ 187, F37-177, K37-187, S37-97, HB01-26
Input power 0.06kw ~ 5000kw
Input speed 750rpm ~ 3000rpm
Reduction ratio 1/1.3 ~ 1/27000
Input motor AC (1 phase or 3 phase) / DC / BLDC motor
Install type Foot / Solid shaft / Hollow shaft / Output flange…
Efficiency 94% ~ 98 % for R F K series
Material of housing die-cast aluminum / Cast iron / Stainless steel
Precision of gear Accurate grinding, class 6
Heat treatment Carburizing and quenching
Accessories Brake / Flange / Motor adapter / Torque arm …

Advantages

 

 

FAQ

 

Q: Can you make the gearbox with customization?
A: Yes, we can customize per your request, like power, voltage, speed, shaft size, flange, terminal box, IP grade, etc.

Q: Do you provide samples?
A: Yes. The sample is available for testing.

Q: What is your MOQ?
A: It is 1pcs for the beginning of our business.

Q: What’s your lead time?
A: Standard product need 5-30days, a bit longer for customized products.

Q: Do you provide technical support?
A: Yes. Our company have design and development team, we can provide technical support if you
need.

Q: How to ship to us?
A: It is available by air, or by sea, or by train.

Q: How to pay the money?
A: T/T and L/C are preferred, with a different currency, including USD, EUR, RMB, etc.

Q: How can I know the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Q: How shall we contact you?
A: You can send inquiry directly, and we will respond within 24 hours.
 

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
screwshaft

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
screwshaft

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
screwshaft

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China supplier Transmission Motor Gearbox Unit Wp Nmrv Swl Screw Drive Lifts Stepper Cyclo Cycloidal Extruder Helical Planetary Bevel Worm Speed Variator Gear Reducer Gearbox   near me manufacturer China supplier Transmission Motor Gearbox Unit Wp Nmrv Swl Screw Drive Lifts Stepper Cyclo Cycloidal Extruder Helical Planetary Bevel Worm Speed Variator Gear Reducer Gearbox   near me manufacturer

China supplier Worm Gear Screw Jacks Reducer RV075 Gearbox with Good quality

Product Description

Name RV Worm Gear Reducer
Installation method Vertical
Layout form Coaxial type
Hardness Hard tooth surface
Rated Power 0.25-0.75kw
Voltage Range 220-380v
Input speed 1400rmp

NMRV series worm gear speed reducer ,type from NMRV571-NMRV150.
 When worm-gear speed reducer starts to work up to 400 hours,Its lubrication oil be replaced,after that ,the cyele of oil replacements is fixed
about 4,000 hour. It is full filled with SC320 lubrication oil before delivery Lubrication oil should be kept enough in the casing in the casing
and checked at a fixed time .

FAQ
Q: What’re your main products?
A: We currently produce Ac Gear Motors,YS Series Asynchronous Motors ,YL/YY Series Asynchronous Motors, RV Reducer etc. You can email us to recommend needed motors per your specification .

Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft diameter. 

Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but there is a MOQ and need design charge and mold development cost. 

Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
   All our products with high quality and competitive price! Quotation sheet will be provided at once if needed. Any questions,pls do not hesitate to contact me. It is our pleasure to be on service for you!
   

 

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
screwshaft

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
screwshaft

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
screwshaft

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China supplier Worm Gear Screw Jacks Reducer RV075 Gearbox   with Good qualityChina supplier Worm Gear Screw Jacks Reducer RV075 Gearbox   with Good quality

China Best Sales Worm Output Flange Powder Metallurgy Gearbox Reducer Gear with Screws with Free Design Custom

Product Description


Excellent powder metallurgy parts metallic sintered parts
We could offer various powder metallurgy parts including iron based and copper based with top quality and cheapest price, please only send the drawing or sample to us, we will according to customer’s requirement to make it. if you are interested in our product, please do not hesitate to contact us, we would like to offer the top quality and best service for you. thank you!

How do We Work with Our Clients
1. For a design expert or a big company with your own engineering team: we prefer to receive a fully RFQ pack from you including drawing, 3D model, quantity, pictures;

2. For a start-up company owner or green hand for engineering: just send an idea that you want to try, you don’t even need to know what casting is;

3. Our sales will reply you within 24 hours to confirm further details and give the estimated quote time;

4. Our engineering team will evaluate your inquiry and provide our offer within next 1~3 working days.

5. We can arrange a technical communication meeting with you and our engineers together anytime if required.

Place of origin: Jangsu,China
Type: Powder metallurgy sintering
Spare parts type: Powder metallurgy parts
Machinery Test report: Provided
Material: Iron,stainless,steel,copper
Key selling points: Quality assurance
Mould type: Tungsten steel
Material standard: MPIF 35,DIN 3571,JIS Z 2550
Application: Small home appliances,Lockset,Electric tool, automobile,
Brand Name: OEM SERVICE
Plating: Customized
After-sales Service: Online support
Processing: Powder Metallurgr,CNC Machining
Powder Metallurgr: High frequency quenching, oil immersion
Quality Control: 100% inspection

The Advantage of Powder Metallurgy Process

1. Cost effective
The final products can be compacted with powder metallurgy method ,and no need or can shorten the processing of machine .It can save material greatly and reduce the production cost .

2. Complex shapes
Powder metallurgy allows to obtain complex shapes directly from the compacting tooling ,without any machining operation ,like teeth ,splines ,profiles ,frontal geometries etc.

3. High precision
Achievable tolerances in the perpendicular direction of compacting are typically IT 8-9 as sintered,improvable up to IT 5-7 after sizing .Additional machining operations can improve the precision .

4. Self-lubrication
The interconnected porosity of the material can be filled with oils ,obtaining then a self-lubricating bearing :the oil provides constant lubrication between bearing and shaft ,and the system does not need any additional external lubricant .

5. Green technology
The manufacturing process of sintered components is certified as ecological ,because the material waste is very low ,the product is recyclable ,and the energy efficiency is good because the material is not molten. 

FAQ
Q1: What is the type of payment?
A: Usually you should prepay 50% of the total amount. The balance should be pay off before shipment.

Q2: How to guarantee the high quality?
A: 100% inspection. We have Carl Zeiss high-precision testing equipment and testing department to make sure every product of size,appearance and pressure test are good. 

Q3: How long will you give me the reply?
A: we will contact you in 12 hours as soon as we can.

Q4. How about your delivery time?
A: Generally, it will take 25 to 35 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. and if the item was non standard, we have to consider extra 10-15days for tooling/mould made.

Q5. Can you produce according to the samples or drawings?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6: How about tooling Charge?
A: Tooling charge only charge once when first order, all future orders would not charge again even tooling repair or under maintance.

Q7: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
    2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
 

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
screwshaft

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its 2 outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between 1 thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in 1 turn. While lead and pitch are 2 separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are 3 different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from 1 manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
screwshaft

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than 1 made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each 1 will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between 2 and 16 millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are 2 basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
screwshaft

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

China Best Sales Worm Output Flange Powder Metallurgy Gearbox Reducer Gear with Screws   with Free Design CustomChina Best Sales Worm Output Flange Powder Metallurgy Gearbox Reducer Gear with Screws   with Free Design Custom