Tag Archives: solid pulley

China Nylon Roller Pulley with Solid Axle (ML-AV044) pulley drive

Solution Description

Item Description
one.       Item No.: as revealed in the photograph.
two.       Material: steel/zinc/aluminum/plastic bracket + ball bearing / needle bearing wheel
3.       For some designs, the peak of the roller is adjustable.
four.       Color of the wheel: crimson, inexperienced, white, orange, and so on.
5.       Application: sliding door and window, binds, rolling shutters, household furniture, conveyor belt, and so on.
six.       Normal packing: poly bag + outer carton
About us
Our manufacturing facility is specialized in producing non-standard bearing, plastic and metal pulley, bracket pulley, roller, door and window fittings, etc. Relying on a sequence of innovative processing equipments, experienced staff, rigorous inspection technique, and structured administration, we are CZPT to offer great-high quality goods with aggressive value.

Product Groups

Get in touch with Us:
HangZhou CZPT Pulley Manufacture Co., Ltd.
World wide web: http://nbminli/  
Address: No.9 CZPT Highway, CZPT Industrial Zone, Xihu (West Lake) Dis. District, HangZhou, China

Q: How to get a quotation and commence organization relationship with your business?
 A: Please ship us e-mail and our revenue representive will speak to you as soon as we acquire your e mail.
Q: How to get a quotaion in the shortest time?
 A: When you send us an enquiry, remember to attempt to give far more particulars, this sort of as product dimensions, photo or drawing, buy quantity, and so on. 
Q: How to start an OEM venture with your company?
 A: You should send us your designed drawings or unique samples so that we can offer a quotation 1st. If all specifics are verified, we will prepare sample manufacturing after gained your deposit .
Q: What is your MOQ?
A: The MOQ is dependent on the style and manufacturing processes of the goods. Nomally our business MOQ is 10000pc , but it can be much more or less dependent on distinct item varieties. For that reason, we recommend you to inform us your necessary amount very first.
Q:How extended can I receive an purchase?
A: That relies upon on the certain things and your get quantity. The guide time may differ from 30 to ninety times.

Why choose us
1.       Professional knowledge: nearly 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic components for doorway and window.
two.       Popular more than the globe: in excess of 20 marketplace international locations.
three.       Advantage: great good quality with aggressive price tag.
four.       OEM supplied: technical drawings, samples or images are required.
For a lot more details, remember to visit http://nbminli/  

Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Micro(≤26mm)
Material: Bearing Steel
Load Direction: Radial Bearing
Separated: Separated


US$ 0.5/Piece
1 Piece(Min.Order)

Request Sample


Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Micro(≤26mm)
Material: Bearing Steel
Load Direction: Radial Bearing
Separated: Separated


US$ 0.5/Piece
1 Piece(Min.Order)

Request Sample



Types of Pulley Systems

If you’ve ever tried to lift a pail of water, you’ve probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with two wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on one side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with two wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from two different types of wheels. The first one is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are three types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds one percent of the total weight, and the ideal mechanical advantage is two or more. So a compound pulley with four segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of two wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the two wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at one end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn’t change direction, so it’s easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use two types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the two pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses two pulleys to lift the load. The mechanical advantage of such a system is two to three times the distance required by the rope to move the load. Depending on how they’re assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

China Nylon Roller Pulley with Solid Axle (ML-AV044)     pulley driveChina Nylon Roller Pulley with Solid Axle (ML-AV044)     pulley drive
editor by czh 2023-01-09

China Machined Solid Plastic PU Polyurethane Pulleys for Round Belts, V-Belts, and Flat Belts Nylon Plastic Pulley with ce certificate top quality Good price

Merchandise Description

Merchandise Description

Introduction of the UHMW-PE machined parts :

UHMWPE shaped pieces is a thermoplastic engineering plastic. It combines the superior performance of all plastic, resistant to abrasion, impact resistance, chemical resistance, selflubricating, low temperature resistance,small wear coefficient, light weight, aging resistance, flame retardant, anti-static and other excellent  performance.


Attributes of the UHMW-PE machined components :

1.Best shock resistance even in low temperature

2.Low frictional factor, and well sliding bearing material 

three.Lubricity (no caking, in adhesion)

4.Best chemical corrosion resistance and stress craze resistance

5.Excellent machinery process ability

6.Lowest water absorption

7.Paragon electric insulativity and anti-static behavior

8.Nice high energy radioactive resistance

nine.Abrasive resistance which always have in thermoelectricity polymer

ten.Density is lower than other thermoplastic


Characterics of the UHMW-PE machined components :







Regular molecular weight



Tensile power (23ºC)



Breaking strength


forty two

Tensile strain at crack



Charpy impact power (notched)


No break

Ball indentation hardness


forty two

Shore D hardness




70-80, metal =a hundred

Static friction coefficient


Kinetic friction coefficient


Drinking water absorption


Elongation at break at 23 degree


>=three hundred

Temperature resistance


-269 to eighty five

Soften temperature


one hundred thirty-one hundred forty



Types of the UHMW-PE machined elements :

 Gear wheels, runners, rope guide rollers, valves, slides (for strongly corrosive media), guide bars, non abrasive strips, wipers, rollers and cam grooves for conveyor belts. Components for pumps, gaskets, punch plates in the leather and plastic industries. Suction bands and boxes for the paper industries. Reflecting plates for sand blasting plants grinding and polishing wheels after incorporating suitable fille




Common measurement

According to your drawings.




Organic, Black, Yellow, Crimson etc. CZPT ized. any colour is okay.


One particular cease procurement


1-200mm, or CZPT ized


Manufacturing unit cost presented


Consumers give style or picture or we produce design and style according to CZPT ers’requirements.



Free of charge sample

Of course


sheet, rod, tube, gear, pulley, guide rail, and so on.


Fedex, DHL,UPS, Sea transportation and so forth.


Plastic luggage, Cartons, CZPT den situation, Pallet, Container and so forth.


Automotive, Agricultural, CZPT ctronics

Thorough Photos

Our Advantages

1. We are manufacturing unit providing CNC services and machining plastic parts
two. Handling components of very tight tolerance and quite complicated geometry
three. Reduced MOQ (1pc is even suitable in some unique conditions)
4. Providing cost-free and swift prototyping ( typically 1 7 days)
five. Sharp on time shipping
six. CZPT high quality confirmed by expert workers, taking care of method and position of services.
7. Providing consultancy provider on elements machining
eight. CZPT ized measurement and spec /OEM CZPT
9. Close to ZheJiang and ZheJiang g,HangZhou, practical transportation.
ten, Our CZPT service for much more than twenty several years of encounter

Much better services

1.QC Method: 100% inspection on vital dimensions just before shipment.
two.Drawing structure: CAD / PDF/ DWG/ IGS/ CZPT /X-T and so on.
three.Packaging: Standardpackage / Pallet or container / As for each CZPT ized specifications
four.Payment Terms: 30 -50%T/T or Paypal/ CZPT ern CZPT in CZPT , 70-50% stability prior to delivery PayPal or CZPT ern CZPT or T/T is suitable.
5.Cargo Phrases: 1) -100kg: categorical&air freight priority, 2) >100kg: sea freight priority, 3) As for every CZPT ized specifications
6.Trade terms: EXW, FOB, CIF perfered

Software Places

Organization Profile

HangZhou CZPT yue CZPT CZPT Co., Ltd. is found in the CZPT CZPT Zone of HangZhou City, ZheJiang Province. It is a single of the earliest organizations engaged in composite components, CZPT plastics, rubber and plastic items.Firm’s main products: POM, MC Nylon, Oil Nylon, HDPE, Abdominal muscles, PBT, PET, PVC, Computer, PU, PP, PTFE, PVDF, PEI, PSU, PPS, CZPT , PAI, PI, PBI.


Our business broad variety of accessories processing problems, these kinds of as mass CZPT ization creation ability, exquisite
production technological innovation and CZPT d production gear, specialist technological tips and following-sales support of

Packaging & CZPT

Packing Details : Interior plastic bag,outdoors carton box,very last is the pallet,all are based mostly on the CZPT ers’ requirments
Delivery Specifics : 10-thirty days after you confirm the samples
Payment terms: Payment=1000USD, thirty% T/T in CZPT ,equilibrium before shippment.If you have another query, pls really feel cost-free to speak to us.


one. Q: Are you investing organization or manufacturer ?
A: We are company.

two. Q: How CZPT is your supply time?
A: According to the trouble and quantity of solution processing,a reasonable arrival time will be provided to you.
Generally 2-5 days for CNC device processing elements. It will consider close to 2-4 weeks for mould generating.

3. Q: Do you provide samples ? is it cost-free or further ?
A: Of course, we could provide the sample for totally free demand but do not pay the value of freight.

four. Q: Can you do assembly and CZPT ized deal for us?
A: We have an assembly manufacturing unit and can assemble all varieties of plastic, steel and digital areas for you. For the completed
goods,we can CZPT ized the retail package and you can market it directly after receiving them.

Make contact with us for far more details



Idler: A pushed wheel that does not transmit energy by means of a shaft. It spins freely, and most driven pulleys are connected to other gear, such as wheels or drives, by way of driveshafts.
China Machined Solid Plastic PU Polyurethane Pulleys for Round Belts, V-Belts, and Flat Belts Nylon Plastic Pulley with ce certificate top quality Good price