Product Description

304 stainless steel worm screw conveyor machine

Description of helical conveyor screw conveyor feeder
♦ Inclined screw conveyor are spiral bulk material transportation systems that convey raw ingredients to and from processing areas that are on different levels of a facility. These conveyors are slanted at different angles to economically elevate and convey materials up and down floors. They require ample space and an increased amount of power to lift the material, depending on the steepness of the angle.
♦ Screw conveyor, also called spiral conveyer,auger conveyor,screw feeder,vibrating conveyor,flexible screw conveyor ,etc.
♦ Screw conveyor is designed to transport series materials from 1 place to another.. Combined with the vibrating screen of our company, it can do material situation tracing, also can be used separately. 
♦ This kind screw conveyor can be used to transport series materials of powder, granular or small block in industry, food and environment protection industries, medicine etc.

helical conveyor screw conveyor feeder technical parameter

model Model	screw diameter (mm)	Screw pitch (mm)	rotational speed of screw (r/min)	convey measure (m3/h)	motor power (kw)	max dip angle (o  )
LS-100	100	100	140 125 112 100 90 80 71 63 50 40	2.2	2.2~18.5	≤20
LS-125	125	125		4.0
LS-160	160	160		8
LS-200	200	200		11
LS-250	250	250		22
LS-315	315	315		34
LS-400	400	355		64
LS-500	500	400		95
LS-630	630	450		150
LS-800	800	500		210

Specification only for your reference, size variable as per customer’s request. 

Features of helical conveyor screw conveyor feeder

1.Spiral conveyer separates and transports material spirally. It is light because of no underwater bearing which makes its maintenance more convenient.
2.Spiral conveyer adoption of new decelerator makes the structure very compact, the operation smooth and the installation more convenient.
3.Spiral conveyer using of the flexible bars in tube, which are wear-resisting, makes the separator work with lower noise, and replace of these bars easily.
4.Spiral conveyer whole set enjoys simple installation and easy operation.

Auger screw conveyor application
Auger conveyor has been widely used in various departments of the national economy, such as building material, metallurgy, chemical industry, electric power, coal, machinery, light industry, food and the food industry, is suitable for conveying powder, granulated and small lump materials, such as cement, coal, grain, chemical fertilizer, ash, sand, coke, etc. Should not be transporting perishable materials, big viscosity, easy to agglomerate, LS screw conveyor working environment temperature is usually – 20 ~ 40 ºC, the temperature of the conveying material is commonly – 20 ~ 80 ºC, the LS screw conveyor is suitable for level and layout of the small Angle, inclination Angle with no more than 15 ° advisable, such as Angle is too large, please choose GX series screw conveyor, or contact our.

Screw conveyor product pictures

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      HangZhou city Xihu (West Lake) Dis.tang Machinery Co.,Ltd, ISO9001 certified enterprise,  specializes in manufacturing series of vibrating screen and vibrating machine and we could design, develop and produce by ourselves.

      At present, the main range of products include kinds of series of Vibrating screens, Vibrating separator-filter,   Ultrasonic vibrating screens, Sifting machines, Filtering machines, Linear vibrating screens, Testing screens, Vibrating conveyers, etc.  

   CE and ISO certification.The quality and technology of our products have reached the international advanced standard.

Buying Xihu (West Lake) Dis.s

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Material capacity feeding from the inlet): _____t/h

Upstream equipment:_____
Bulk Density: _____t/m3          equipment is used to feed the material): _____
Material size:____mm         Other factors that can helpful to know are the abrasiveness, corrosiveness,or viscosity of the aterial to be conveyed.

Installation form is horizontal or inclined : ________;
If it is inclined,what is the inclined degree_____° ,
Water content:____% and whether a supporting frame is needed:_______

Whether add hopper:             (Ps. Yes or No)        The volume of the hopper is             m³
Material is corrosive or not: ____ (Ps. Yes or No)

Working power supply: _____V ______HZ___Phase

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.

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.

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.

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.