Product Description
TXR Series Sleeve Type Single Nut Ball Screw (C5/Ct7/Ct10)
| Table of Shaft dia. and Lead combination for Rolled Ball Screw | ||||||||||||||||
| Lead (mm) | ||||||||||||||||
| 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 15 | 20 | 30 | ||
| Shaft dia (mm) | 4 | / | / | |||||||||||||
| 5 | / | |||||||||||||||
| 6 | / | / | / | / | ||||||||||||
| 8 | / | / | / | / | / | / | / | |||||||||
| 10 | / | / | / | / | / | / | / | / | / | |||||||
| 12 | / | / | ||||||||||||||
| 13 | / | / | / | |||||||||||||
| 14 | / | / | ||||||||||||||
| 15 | / | / | / | |||||||||||||
| 16 | ||||||||||||||||
Accuracy Class & Axial Clearance
Accuracy grade of TXR series(sleeve type single nut ball screw)are based on C5,Ct7 and Ct10(JIS B 1192-3). According to accuracy grade, Axial play 0.005(Preload :C5),0.02(Ct7) and 0.05mm or less(Ct10).
Material & Surface Hardness
TXR series (sleeve type single nut ball screw) of screw shaft screw material S55C (induction hardening), nut material SCM415H (carburizing and hardening), the surface hardness of the ball screw part is HRC58 or higher.
Shaft End Shape
The shape of the shaft end of the TXR series (sleeve type single nut ball screws) has been standardized.
Application:
1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc
Technical Drawing
Specification List
FACTORY DETAILED PROCESSING PHOTOS
HIGH QUALITY CONTROL SYSTEM
FAQ
1. Why choose CHINAMFG China?
Over the past 14 years, CHINAMFG has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.
2. What is your main products ?
We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
After confirmation of our quoted price, you can place the sample order. The sample will be started after you CHINAMFG back our detailed technical file.
6. What’s your payment terms?
Our payment terms is 30% deposit,balance 70% before shipment. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | C5 |
|---|---|
| Screw Diameter: | 8mm |
| Flange: | With Flange |
| Nut Number: | Single |
| Rows Number: | 3-Row |
| Nut Type: | Sleeve Type Single Nut |
| Customization: |
Available
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What maintenance is required for worm screw gear systems?
Maintaining worm screw gear systems is essential to ensure their smooth operation, longevity, and optimal performance. Here are the key maintenance tasks typically required for worm screw gear systems:
- Lubrication: Proper lubrication is crucial for reducing friction, wear, and heat generation in worm screw gear systems. Regularly monitor lubricant levels and follow the manufacturer’s recommendations for lubrication intervals and types of lubricants to use. Inspect lubricant quality and cleanliness, and replenish or replace the lubricant as needed. Pay attention to proper lubrication in both the worm screw and the worm wheel to ensure efficient torque transmission and minimize wear.
- Cleaning: Regularly clean the worm screw gear system to remove dirt, debris, and contaminants that can accumulate on the threads, teeth, and other contacting surfaces. Use appropriate cleaning methods and solvents recommended by the manufacturer. Ensure that the cleaning process does not damage the components or compromise the lubrication system.
- Inspection: Conduct routine inspections to identify any signs of wear, damage, or misalignment in the worm screw gear system. Check for excessive backlash, abnormal noise, vibration, or irregularities in operation. Inspect the teeth, threads, and other critical areas for signs of wear, pitting, or scoring. If any issues are detected, take appropriate measures to address them promptly, such as adjusting the backlash or replacing worn components.
- Alignment: Proper alignment is crucial for the optimal performance and longevity of worm screw gear systems. Periodically check and adjust the alignment of the worm screw and the worm wheel to ensure smooth and efficient meshing. Misalignment can result in increased friction, wear, and reduced performance. Follow the manufacturer’s guidelines for alignment procedures and use precision measurement tools as necessary.
- Load Distribution: Monitor the load distribution across the teeth of the worm wheel. Uneven load distribution can lead to premature wear and failure of the system. If necessary, adjust loads, redistribute the load by using multiple worm screws, or consider using additional supporting mechanisms to ensure uniform load distribution.
- Temperature Monitoring: Keep an eye on the operating temperature of the worm screw gear system. Excessive heat can indicate problems such as inadequate lubrication, overloading, or inefficiencies. Monitor temperature using appropriate sensors or thermal imaging techniques and take corrective actions if the temperature exceeds recommended limits.
- Periodic Overhaul: Depending on the application and usage conditions, consider scheduling periodic overhauls or maintenance intervals for the worm screw gear system. During these overhauls, disassemble the system, inspect components thoroughly, replace worn or damaged parts, reassemble with proper lubrication, and perform necessary adjustments. The frequency of overhauls will depend on factors such as operating conditions, loads, and manufacturer recommendations.
- Documentation: Maintain proper documentation of maintenance activities, including lubrication schedules, inspection records, repair or replacement history, and any troubleshooting performed. This documentation provides a valuable reference for future maintenance, helps identify recurring issues, and enables better tracking of the system’s performance over time.
It’s important to note that specific maintenance requirements may vary depending on the design, materials, operating conditions, and manufacturer recommendations for the worm screw gear system. Always refer to the manufacturer’s documentation and guidelines for the particular system being used, and consult with experts or maintenance professionals if needed.
What are the latest innovations in worm screw design and materials?
In recent years, there have been several notable innovations in worm screw design and materials that aim to improve performance, efficiency, durability, and overall functionality. Here are some of the latest advancements in this field:
- Advanced Materials: One of the significant trends in worm screw design is the use of advanced materials. Manufacturers are exploring materials with enhanced strength, wear resistance, and fatigue properties. For example, advanced alloys and composite materials are being employed to improve load capacity, reduce weight, and increase the longevity of worm screws. Additionally, advancements in material science and engineering are leading to the development of self-lubricating materials, which can minimize friction and improve efficiency by reducing the need for external lubrication.
- Improved Thread Geometries: Innovations in thread geometries have focused on optimizing load distribution, reducing friction, and improving efficiency. Researchers and engineers are developing novel thread profiles and forms that enhance contact between the worm screw and the worm wheel. These designs help minimize backlash, increase load-carrying capacity, and improve overall system performance. Additionally, advancements in computer simulations and modeling techniques enable more accurate analysis and optimization of thread geometries for specific applications.
- Surface Treatments and Coatings: Surface treatments and coatings are being applied to worm screws to enhance their performance and durability. For instance, advanced coatings such as diamond-like carbon (DLC) coatings or specialized lubricious coatings help reduce friction, improve wear resistance, and minimize the need for external lubrication. Surface treatments like nitriding or carburizing can improve hardness and provide resistance against abrasive wear, increasing the lifespan of worm screws.
- Precision Manufacturing: Innovations in manufacturing processes and technologies have enabled the production of worm screws with higher precision and tighter tolerances. Advanced machining techniques, such as CNC grinding and high-precision gear hobbing, allow for the creation of worm screws with superior dimensional accuracy, improved surface finish, and better tooth profile control. These manufacturing advancements contribute to enhanced performance, reduced backlash, and increased overall system efficiency.
- Computer-Aided Design and Simulation: The use of computer-aided design (CAD) software and simulation tools has revolutionized worm screw design and optimization. Engineers can now create virtual models, simulate the behavior of worm gear systems, and analyze various design parameters to optimize performance before physical prototypes are manufactured. This iterative design process helps reduce development time, minimize costs, and improve the final design and performance of worm screws.
- Integration with Digitalization and Automation: The integration of worm gear systems with digitalization and automation technologies is another area of innovation. Worm screws are being designed to work seamlessly with sensor technologies, allowing for real-time monitoring of performance parameters such as temperature, vibration, and load. This data can be utilized for predictive maintenance, condition monitoring, and optimization of the overall system performance.
It’s important to note that the field of worm screw design and materials is continuously evolving, and new innovations are being introduced regularly. Keeping up with the latest research, advancements, and industry developments is crucial for engineers, designers, and manufacturers involved in worm gear system applications.
How does a worm screw differ from a regular screw?
In mechanical engineering, a worm screw differs from a regular screw in several key aspects. While both types of screws have helical threads, their designs and functions are distinct. Here are the primary differences between a worm screw and a regular screw:
- Motion Transmission: The primary function of a regular screw is to convert rotary motion into linear motion or vice versa. It typically has a single-threaded or multi-threaded configuration and is used for applications such as fastening, clamping, or lifting. On the other hand, a worm screw is designed to transmit motion and power between non-parallel shafts. It converts rotary motion along its axis into rotary motion perpendicular to its axis by meshing with a worm wheel or gear.
- Gear Ratio: The gear ratio of a worm screw is typically much higher compared to that of a regular screw. The helical teeth of the worm screw and the worm wheel allow for a high reduction ratio in a single gear stage. This means that a small rotation of the worm screw can result in a significant rotation of the worm wheel. In contrast, a regular screw does not have a gear ratio and is primarily used for linear motion or force multiplication.
- Orientation and Shaft Arrangement: A regular screw is typically used in applications where the input and output shafts are parallel or nearly parallel. It transfers motion and force along the same axis. In contrast, a worm screw is designed for applications where the input and output shafts are perpendicular to each other. The orientation of the worm screw and the worm wheel allows for motion transmission between non-parallel shafts.
- Self-Locking: One distinctive characteristic of a worm screw is its self-locking property. The helical teeth of the worm screw create a wedging effect that prevents the worm wheel from driving the worm screw. This self-locking feature allows worm screws to hold loads without the need for additional braking mechanisms. Regular screws, on the other hand, do not have this self-locking capability.
- Applications: Regular screws find widespread use in numerous applications, including construction, manufacturing, woodworking, and everyday objects like screws used in fastening. They are primarily employed for linear motion, clamping, or force multiplication. Worm screws, on the other hand, are commonly used in applications that require significant speed reduction, torque multiplication, or motion transmission at right angles. Typical applications include conveyor systems, winches, lifting mechanisms, and heavy machinery.
These differences in design and function make worm screws and regular screws suitable for distinct applications. Regular screws are more commonly used for linear motion and force transfer along parallel or nearly parallel shafts, while worm screws excel in transmitting motion and power between non-parallel shafts with high gear reduction ratios.
editor by Dream 2024-05-14
China Best Sales Galvanized Steel Worm Screw British Type V Band Automotive Hose Clamp for Flexible Hose Pipe near me shop
Product Description
Galvanized Steel Worm Screw British Type V Band Automotive Hose Clamp For Flexible Hose Pipe
Technical Date
| Item No | Range | Band Width | Package |
| MM | MM | Pcs/Carton | |
| FSHY09008 | 8-14 | 9.7 | 2000 |
| FSHY 0571 1 | 11-17 | 9.7 | 2000 |
| FSHY 0571 3 | 13-20 | 9.7 | 2000 |
| FSHY12015 | 15-24 | 11.7 | 500 |
| FSHY12019 | 19-28 | 11.7 | 500 |
| FSHY12571 | 22-32 | 11.7 | 500 |
| FSHY12026 | 26-38 | 11.7 | 500 |
| FSHY12032 | 32-44 | 11.7 | 500 |
| FSHY12038 | 38-50 | 11.7 | 500 |
| FSHY12044 | 44-56 | 11.7 | 500 |
| FSHY12050 | 50-65 | 11.7 | 500 |
| FSHY12058 | 58-75 | 11.7 | 200 |
| FSHY12068 | 68-85 | 11.7 | 200 |
| FSHY12077 | 77-95 | 11.7 | 200 |
| FSHY12087 | 87-112 | 11.7 | 200 |
| FSHY12104 | 104-138 | 11.7 | 100 |
| FSHY12130 | 130-165 | 11.7 | 100 |
| FSHY12150 | 150-180 | 11.7 | 100 |
| FSHY12175 | 175-205 | 11.7 | 100 |
| FSHY12200 | 200-231 | 11.7 | 50 |
| FSHY12226 | 226-256 | 11.7 | 50 |
| FSHY12251 | 251-282 | 11.7 | 50 |
| FSHY12277 | 277-307 | 11.7 | 50 |
W1:Band,housing and screw are all galvanized steel zinc planted
W2:Screw is galvanzied steel zinc plated,band and housing are made of SS304
W4:Band,housing and screw are made of SS 304
W5:Band,housing and screw are made of SS 316
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FAQ
Q1:What are the advantages of our factory?
A1:Our factory is specialized in supply pvc hose,irrigation tool and garden tool over 10 years,and our aim is to provide our world-class quality, on-time delivery and excellent after-sales services
Q2:How about our products?
A2:Our products are famous for the good quality and good watering effect,and also you can get the free samples to do a test of the quality and watering effect.
Q3:How about hose specifications?
A3:We can provide PVC hose according to your request on Inner Diameter, working pressure,color and length per roll. Before send you right quotation, please kindly confirm with us.
Q4:How about get the samples?
A4:You can get the samples for free with freight cost collect.We will set by DHL,FEDEX,UPS,TNT,EMS.
Q5:What is the minimum order quantity?(MOQ)
A5:Usually our MOQ is 1000m, but for first cooperation we also accept smaller order.
Q6:How about delivery ?
A6:We can send to you by sea/air/express according to you, usually deliver within 15-20 working days after receive deposit.
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.
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.
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.
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 high quality CZPT High-Speed Planetary Roller Screw for Automotive Worm Gears (CHRC Series, Lead: 10mm, Shaft: 48mm) with high quality
Product Description
KGG High Quality Planetary Roller Screws-CHRC Series
Load Capacity Life
The advantage of a planetary roller screw is the ability to provide higher dynamic and static load ratings than a ball screw. A threaded roller instead of a ball will allow the load to be released quickly through numerous contact lines, resulting in a higher resistance to impact. From Hertz’s law of pressure, we can conclude that a planetary roller screw can withstand 3 times the static load of a ball screw and 1 1/2 times the life of a ball screw.
Speed and Acceleration
Planetary Roller Screws can provide higher rotational speeds and higher acceleration, and the lead length of a Planetary Roller Screw can be smaller than that of a Ball Screw. Since the lead of a planetary roller screw is a function of the pitch, the lead can be less than 0.5mm or less. The lead of a planetary roller screw can be designed to be calculated as an integer or fractional number (e.g., 3.32mm per transfer) and will not require a reduction gear to match. The change in lead does not introduce any change in geometry to the screw shaft and nut.
In contrast, the lead of the ball screw is limited by the diameter of the ball, thus the lead will be standard.
Stiffness and Strength
The numerous contact lines of the planetary roller screw will substantially increase the stiffness and impact resistance.
Application:
CNC machine tools, robotics, aviation (aircraft/helicopter), aerospace (rocket/satellite), weaponry (tank/canon/missile/aircraft carrier/nuclear submarine).
Precision injection molding machines, mechanical presses, medical industry, measuring instruments, special machine tools, laser equipment, petroleum industry, chemical industry, optical instruments, metallurgical equipment, automotive industry, servo-electric cylinders, etc.
Technical Drawing
Specification List
| Type | D x P | N | d0 | d1 | d2 | C | Co | D1 | D2 | D5 | D7 | L1 | L1 | L2 | L3 | L4 | L5 | L6 | L7 | D8 | |
| mm | mm | mm | kN | kN | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ||||
| CHRC/F/P | 39×5 | 5 | 39 | 39.35 | 38.54 | 0.84 | 129.2 | 245.2 | 80 | 116 | 11 | 98 | 90 | 100 | 82.7 | 28 | 6 | 30 | 18 | 18 | 45 |
| CHRC/F/P | 39×10 | 5 | 39 | 39.74 | 38.12 | 0.88 | 153.4 | 257.4 | 80 | 116 | 11 | 98 | 90 | 100 | 82.7 | 28 | 6 | 30 | 18 | 18 | 45 |
| CHRC/F/P | 39×15 | 5 | 39 | 39.92 | 37.49 | 0.89 | 168.8 | 251.1 | 80 | 116 | 11 | 98 | 90 | 100 | 82.7 | 28 | 6 | 30 | 18 | 18 | 45 |
| CHRC/F/P | 39×20 | 5 | 39 | 40.15 | 36.9 | 0.9 | 173.7 | 275.5 | 80 | 116 | 11 | 98 | 90 | 100 | 82.7 | 28 | 6 | 30 | 18 | 18 | 45 |
| CHRC/F/P | 39×25 | 5 | 39 | 40.5 | 36.8 | 0.9 | 175.3 | 261.7 | 80 | 116 | 11 | 98 | 90 | 100 | 82.7 | 28 | 6 | 30 | 18 | 18 | 45 |
| CHRC/F/P | 44×6 | 6 | 44 | 44.35 | 43.54 | 0.84 | 166 | 301.2 | 80 | 118 | 11 | 100 | 105 | 115 | 82.7 | 35 | 6 | 35 | 18 | 18 | 50 |
| CHRC/F/P | 44×12 | 6 | 44 | 44.65 | 43.03 | 0.88 | 175.3 | 310.5 | 80 | 118 | 11 | 100 | 105 | 115 | 82.7 | 35 | 6 | 35 | 18 | 18 | 50 |
| CHRC/F/P | 44×18 | 6 | 44 | 44.9 | 42.47 | 0.89 | 183.3 | 305.7 | 80 | 118 | 11 | 100 | 105 | 115 | 82.7 | 35 | 6 | 35 | 18 | 18 | 50 |
| CHRC/F/P | 44×24 | 6 | 44 | 45.12 | 41.88 | 0.9 | 190.2 | 306.8 | 80 | 118 | 11 | 100 | 105 | 115 | 82.7 | 35 | 6 | 35 | 18 | 18 | 50 |
| CHRC/F/P | 44×30 | 6 | 44 | 45.28 | 41.23 | 0.9 | 175.3 | 302.4 | 80 | 118 | 11 | 100 | 105 | 115 | 82.7 | 35 | 6 | 35 | 18 | 18 | 50 |
| CHRC/F/P | 48×5 | 5 | 48 | 48.35 | 47.54 | 0.82 | 198 | 410.8 | 100 | 150 | 13.5 | 127 | 115 | 127 | 103 | 45 | 8 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×10 | 5 | 48 | 48.67 | 47.05 | 0.87 | 215.6 | 432.7 | 100 | 150 | 13.5 | 127 | 115 | 127 | 103 | 45 | 8 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×15 | 5 | 48 | 48.99 | 46.53 | 0.88 | 225.3 | 435.7 | 100 | 150 | 13.5 | 127 | 115 | 127 | 103 | 45 | 8 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×20 | 5 | 48 | 49.21 | 45.97 | 0.89 | 227.3 | 473.4 | 100 | 150 | 13.5 | 127 | 115 | 127 | 103 | 45 | 8 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×25 | 5 | 48 | 49.43 | 45.38 | 0.9 | 230.5 | 468.4 | 100 | 150 | 13.5 | 127 | 115 | 127 | 103 | 45 | 8 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×30 | 5 | 48 | 49.62 | 44.75 | 0.89 | 220.7 | 458.5 | 100 | 150 | 13.5 | 127 | 115 | 127 | 103 | 45 | 8 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×6 | 6 | 48 | 48.35 | 47.54 | 0.84 | 190.1 | 401.7 | 86 | 122 | 11 | 104 | 115 | 127 | 88.7 | 45 | 6 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×12 | 6 | 48 | 48.66 | 47.04 | 0.88 | 207.6 | 427.9 | 86 | 122 | 11 | 104 | 115 | 127 | 88.7 | 45 | 6 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×15 | 6 | 48 | 48.79 | 46.76 | 0.88 | 214.2 | 430.1 | 86 | 122 | 11 | 104 | 115 | 127 | 88.7 | 45 | 6 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×18 | 6 | 48 | 48.92 | 46.49 | 0.89 | 215.4 | 428.3 | 86 | 122 | 11 | 104 | 115 | 127 | 88.7 | 45 | 6 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×20 | 6 | 48 | 49 | 46.3 | 0.89 | 216.9 | 485.7 | 86 | 122 | 11 | 104 | 115 | 127 | 88.7 | 45 | 6 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 48×24 | 6 | 48 | 49.15 | 45.91 | 0.9 | 230.4 | 435 | 86 | 122 | 11 | 104 | 115 | 127 | 88.7 | 45 | 6 | 37 | 20 | 20 | 55 |
| CHRC/F/P | 56×6 | 6 | 56 | 56.36 | 55.3 | 0.8 | 213.1 | 420.6 | 100 | 150 | 13.5 | 127 | 125 | 139 | 105 | 50 | 8 | 37 | 22 | 20 | 60 |
| CHRC/F/P | 56×9 | 6 | 56 | 56.6 | 55 | 0.83 | 257 | 449.2 | 100 | 150 | 13.5 | 127 | 125 | 139 | 105 | 50 | 8 | 37 | 22 | 20 | 60 |
| CHRC/F/P | 56×12 | 6 | 56 | 56.8 | 54.7 | 0.87 | 242 | 460.6 | 100 | 150 | 13.5 | 127 | 125 | 139 | 105 | 50 | 8 | 37 | 22 | 20 | 60 |
| CHRC/F/P | 56×15 | 6 | 56 | 57 | 54.4 | 0.87 | 258 | 505.8 | 100 | 150 | 13.5 | 127 | 125 | 139 | 105 | 50 | 8 | 37 | 22 | 20 | 60 |
| CHRC/F/P | 56×18 | 6 | 56 | 57.2 | 54.1 | 0.87 | 268 | 514.6 | 100 | 150 | 13.5 | 127 | 125 | 139 | 105 | 50 | 8 | 37 | 22 | 20 | 60 |
| CHRC/F/P | 56×24 | 6 | 56 | 57.5 | 53.8 | 0.88 | 296 | 514.6 | 100 | 150 | 13.5 | 127 | 125 | 139 | 105 | 50 | 8 | 37 | 22 | 20 | 60 |
FACTORY DETAILED PROCESSING PHOTOS
FAQ
1. Why choose CZPT China?
Over the past 17 years, CZPT has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.
2. What is your main products ?
We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.
6. What’s your payment terms?
Our payment terms is 30% deposit,balance 70% before shipment
Screw Sizes and Their Uses
Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.
The major diameter of a screw shaft
The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
The pitch diameter of a screw shaft
When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.
The thread depth of a screw shaft
Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
The lead of a screw shaft
Pitch and lead are 2 measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.
The thread angle of a screw shaft
The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
The tapped hole (or nut) into which the screw fits
A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.