Tag Archives: pulleys 8m

China 2022 Wholesale Factory price High Precision 8M timing largeAlloy Stainless Steel Pulleys aluminium belt pulley belt pulley with Good quality

Applicable Industries: Accommodations, Restaurant, YBR a hundred twenty five 2007-2016 Weighty Obligation Chain And Sprocket Kit Set YBR125 Meals Shop, Design works , CN33 Wholesale Plug 24K Gold Plated Speaker Cable Adapter For Plugs-Shut Screw Variety Food & Beverage Shops
Custom-made support: OEM
Kind: TIMING
Content: Aluminum
Product name: Timing Pulley
Colour: White
Dimension: Stanard
Area therapy: Oxidation
Timing Pulley Variety: 8M Timing Pulley
Condition: Round Form

Q: Are you buying and selling company or company ?A: We are factory.Factory direct value.Q: How lengthy is your supply time?A: Typically it is 5-10 times if the items are in inventory. or it is fifteen-20 times if you need to have to be customized。Q: Do you give samples ? is it free or further ?A: Yes, Mini three hundred Series Equipment Motor Dc 3v-9v 5rpm Gearbox Pace Reducer 2.5-7.5rpm Limited Lengthy Shaft Gradual Speed Geared Motor we could provide the sample for free of charge charge but do not pay out the cost of freight.Q: How Can I Get Sample?A: Sample Price Will be Totally free If We Have in Stock,You Just Require to Pay out the Shipping and delivery Expense is Ok.Sample of Your Personal Design Want toPay for the Production Set Up Charge.Sample Production Normally takes 5-7 Functioning Times.

pulley

Three basic types of pulleys, their applications and ideal mechanical advantages

There are three basic types of pulleys: movable, fixed and compound. Each has its advantages and disadvantages, and you should be able to judge which type is best for your needs by looking at the table below. Once you have mastered the different types of pulleys, you can choose the right pulley for your next project. Now that you have mastered the three basic types, it is time to understand their applications and ideal mechanical advantages.

describe

The stress characteristics of a pulley depend on its size and construction. These stresses are derived by comparing the stress characteristics of different pulley designs. Stress criteria include static and fatigue strength analyses and specify maximum stress ranges. Stresses are calculated in a 3D stress field, including radial, tangential and axial stresses. The stress characteristics of pulleys are critical to the design and manufacture of industrial machines.
The principal stresses on the pulley shell are distributed in the tangential and hoop directions, close to the centerline of the pulley. If the pulley has a wide face, the axial stress occurring near the shell/disk junction can be large. The stress distribution was determined using British Standard BS5400 Part 10: Stresses at the shell and end disc connections for infinite fatigue life.
Another type of composite is a pulley with a belt section. Such structures are well known in the art. The corresponding help chapters for these elements contain detailed descriptions of the internal structure of these components. Chamfers between pulleys can also be defined using multiple tapers, with a smaller taper extending from midpoint 44 to large diameter 42. Additionally, the pulley can have multiple taper angles, and as the pulley moves away, the taper angle is from the center.

type

A pulley system uses a rope to move the object and one side of the rope to lift the load. The load is attached to one end of the pulley, while the other end can move freely in space. The force applied to the free end of the rope pulls the load up or down. Because of this, the mechanical advantage of the movable pulley is two to one. The greater the force applied to the free end of the rope, the greater the amount of movement achieved.
There are three common types of pulleys. The cast-iron variety has a rim at the front and a hub at the back. The arms of the pulley can be straight or curved. When the arms contract and yield instead of breaking, they are in tension. The top of the pulley centers the belt in motion and is available in widths ranging from 9mm to 300mm.
The rope, hub and axle are mounted on the pulley. They are common and versatile mechanical devices that make it easier to move or lift objects. Some pulleys change the direction of the force. Others change the magnitude. All types of pulleys can be used for a variety of different applications. Here are some examples. If you're not sure which type to choose, you can find more resources online.
pulley

application

The applications for pulleys are almost limitless. This simple machine turns complex tasks into simple ones. They consist of a rope or chain wrapped around a wheel or axle. Using ropes, one can lift heavy objects without the enormous physical exertion of traditional lifting equipment. Some pulleys are equipped with rollers, which greatly magnifies the lifting force.
When used properly, the pulley system can change the direction of the applied force. It provides a mechanical advantage and allows the operator to remain separate from heavy objects. They are also inexpensive, easy to assemble, and require little lubrication after installation. Also, once installed, the pulley system requires little maintenance. They can even be used effortlessly. Despite having many moving parts, pulley systems do not require lubrication, making them a cost-effective alternative to mechanical lifts.
Pulleys are used in many applications including adjustable clotheslines in different machines, kitchen drawers and motor pulleys. Commercial users of pulley systems include cranes. These machines use a pulley system to lift and place heavy objects. They are also used by high-rise building washing companies. They can easily move a building without compromising its structural integrity. As a result, many industries rely on technology to make elevators easier.

Ideal mechanical advantage

The ideal mechanical advantage of a pulley system is the result of rope tension. The load is pulled to the center of the pulley, but the force is evenly distributed over the cable. Two pulleys will provide the mechanical advantage of two pulleys. The total energy used will remain the same. If multiple pulleys are used, friction between pulleys and pulleys reduces the return of energy.
Lever-based machines are simple devices that can work. These include levers, wheels and axles, screws, wedges and ramps. Their ability to work depends on their efficiency and mechanical superiority. The ideal mechanical advantage assumes perfect efficiency, while the actual mechanical advantage takes friction into account. The distance traveled by the load and the force applied are also factors in determining the ideal mechanical advantage of the pulley.
A simple pulley system has an MA of two. The weight attached to one end of the rope is called FA. Force FE and load FL are connected to the other end of the rope. The distance that the lifter pulls the rope must be twice or half the force required to lift the weight. The same goes for side-by-side pulley systems.

Materials used in manufacturing

While aluminum and plastic are the most common materials for making pulleys, there are other materials to choose from for your timing pulleys. Despite their different physical properties, they all offer similar benefits. Aluminum is dense and corrosion-resistant, and plastic is lightweight and durable. Stainless steel is resistant to stains and rust, but is expensive to maintain. For this reason, aluminum is a popular choice for heavy duty pulleys.
Metal can also be used to make pulleys. Aluminum pulleys are lightweight and strong, while other materials are not as durable. CZPT produces aluminium pulleys, but can also produce other materials or special finishes. The list below is just representative of some common materials and finishes. Many different materials are used, so you should discuss the best options for your application with your engineer.
Metals such as steel and aluminum are commonly used to make pulleys. These materials are relatively light and have a low coefficient of friction. Steel pulleys are also more durable than aluminum pulleys. For heavier applications, steel and aluminum are preferred, but consider weight limitations when selecting materials. For example, metal pulleys can be used in electric motors to transmit belt motion.
pulley

cost

Replacing a tensioner in a car's engine can cost anywhere from $90 to $300, depending on the make and model of the car. Cost can also be affected by the complexity of the pulley system and how many pulleys are required. Replacement costs may also increase depending on the severity of the damage. The cost of replacing pulleys also varies from car to car, as different manufacturers use different engines and drivetrains.
Induction motors have been an industrial workhorse for 130 years, but their cost is growing. As energy costs rise and the cost of ownership increases, these motors will only get more expensive. New technologies are now available to increase efficiency, reduce costs and improve safety standards.
The average job cost to replace an idler varies from $125 to $321, including labor. Parts and labor to replace a car pulley can range from $30 to $178. Labor and parts can cost an additional $10 to $40, depending on the make and model of the car. But the labor is worth the money because these pulleys are a critical part of a car's engine.

China 2022 Wholesale Factory price High Precision 8M timing largeAlloy Stainless Steel Pulleys aluminium belt pulley belt pulley     with Good quality China 2022 Wholesale Factory price High Precision 8M timing largeAlloy Stainless Steel Pulleys aluminium belt pulley belt pulley     with Good quality
editor by Cx 2023-06-21

China CNC Machining Pulley Sheaves Teeth Customized Aluminum Wheels 8m 24t Htd Gt2 Timing Belt Pulleys chain pulley

Product Description

Solution Description

Our Capabilities of Manufacturing Gears & Splines.

  Hobbing Milling Tooth Grinding
Max O.D. 1250mm 2000mm 2000mm
Min I.D. 20mm 50mm 20mm
Max Confront Width 500mm 500mm 1480mm
Max DP DP 1 DP one DP .5
Max Module 26mm 26mm 45mm
DIN Amount DIN Course six DIN Class 6 DIN Class 4
Tooth End Ra 3.2 Ra 3.2 Ra .six
Max Helix Angle ±45° ±45° ±45°

Precision Transmission Parts

Custom CNC Machining Areas Services

Quotation

In accordance to your drawing(dimension, content,and essential technologies, and many others)

Components

Aluminum, Copper, Brass, Stainless Steel, Metal, Iron, Alloy,  Titanium etc.

Surface Treatment method

Anodizing, Brushing, Galvanized, laser engraving, Silk printing, polishing, Powder coating, etc.

Tolerance

+/- .005mm-.01mm, 100% QC high quality inspection ahead of shipping, can give top quality inspection type

Processing

CNC Turning, Milling, Drilling, Hobbing, Sharpening, Bushing, Surface Treatment and so on.

Drawing Formats

Sound Operates, Professional/Engineer, UG, AutoCAD(DXF, DWG), PDF, TIF etc.

 

five-axis CNC Milling Parts

Materials Offered

Aluminum

Stainless Metal

Brass

Copper

Iron

Plastic

AL6061

SS201

C35600

C11000

20#

POM

AL6063

SS301

C36000

C12000

forty five#

Peek

AL6082

SS303

C37700

C12200

Q235

PMMA

AL7075

SS304

C37000

C15710

Q345B

Ab muscles

AL2571

SS316

C37100

and so on...

Q345B

Delrin

AL5052

SS416

C28000

 

1214/1215

Nylon

ALA380

and so on...

C26000

 

12L14

PVC

and so on...

 

C24000

 

Carbon metal

PP

 

 

C22000

 

4140 / 4130

Laptop

 

 

and many others...

 

etc...

etc...

Floor Treatment method

Content Obtainable

As machined

All metals

Smoothed

All metals and Plastic (e.g aluminum, steel,nylon, Abdominal muscles)

Powder Coated

All metals ( e.g aluminum, steel)

Brushing

All metals (e.g aluminum, metal)

Anodized Hardcoat

Aluminum and Titanium alloys

Electropolished

Steel and plastic (e.g aluminum, Stomach muscles)

Bead Blasted

Aluminum and Titanium alloys

Anodized Very clear or Color

Aluminum and Titanium alloys

Application Field

 

Organization Profile

HangZhou Benoy Smart Technological innovation Co. Ltd was recognized in 2003. Considering that established, we always concentrate on precision transmission and mechanical elements manufacturing & processing. We have a skilled R&D staff and superior equipment hobbing device, gear grinding device, equipment shaping equipment, CNC Lathe devices and milling equipment, which can give complete remedies according to user's demands, from the design and style. 

we bulid us through assist other individuals succes. Benoy constantly focuses on the growth capability, and now, it owns a lot more than thirty patents. Our business has several sophisticated engineering layout softwares and utilized much more than twenty new systems and new procedures. And also, it is licensed by ISO 9001: 2015 and ISO 14001: 2015.

For more than 10 a long time, our business has been fully commited to the generation and processing of precision parts and non-standard automation design. With a highly certified workforce, relying on prosperous knowledge in precision processing and international foremost equipment, the company has proven strategic partnerships with world-renowned enterprises in the fields of aviation, health care and industrial precision examination and measurement equipment.

FAQ

Q1: How to get a quotation?

A1: Make sure you deliver us drawings in igs, dwg, stage and so on. together with detailed PDF.If you have any demands, you should observe,
and we could supply expert advice for your reference.

 

Q2: How extended can i get the sample?

A2: Is dependent on your certain products,inside 7-ten times is needed generally.

 

Q3: How to appreciate the OEM companies?

A3: Normally, base on your design drawings or first samples, we give some technical proposals and a quotation to you, soon after your settlement, we generate for you.

 

This fall: Will my drawings be protected following sending to you?

A4: Indeed, we will hold them effectively and not launch to third get together with out your authorization. Of training course, we would make sure the security of the drawing.

 

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A5: Make sure you send your sample to our factory,then we can copy or give you much better solutions. Make sure you send out us images or drafts with proportions(Length,Hight,Width), CAD or 3D file will be created for you if positioned get.

Material: Stainless Steel
Surface Treatment: Polishing
Application: Industrial Machine
Size: Customer′s Drawing
Service: OEM ODM
Standard or Nonstandard: Nonstandard Gear Wheel

###

Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

  Hobbing Milling Tooth Grinding
Max O.D. 1250mm 2000mm 2000mm
Min I.D. 20mm 50mm 20mm
Max Face Width 500mm 500mm 1480mm
Max DP DP 1 DP 1 DP 0.5
Max Module 26mm 26mm 45mm
DIN Level DIN Class 6 DIN Class 6 DIN Class 4
Tooth Finish Ra 3.2 Ra 3.2 Ra 0.6
Max Helix Angle ±45° ±45° ±45°

###

Custom CNC Machining Parts Service
Quotation
According to your drawing(size, material,and required technology, etc)
Materials
Aluminum, Copper, Brass, Stainless Steel, Steel, Iron, Alloy,  Titanium etc.
Surface Treatment
Anodizing, Brushing, Galvanized, laser engraving, Silk printing, polishing, Powder coating, etc.
Tolerance
+/- 0.005mm-0.01mm, 100% QC quality inspection before delivery, can provide quality inspection form
Processing
CNC Turning, Milling, Drilling, Hobbing, Polishing, Bushing, Surface Treatment etc.
Drawing Formats
Solid Works, Pro/Engineer, UG, AutoCAD(DXF, DWG), PDF, TIF etc.

###

Material Available
Aluminum
Stainless Steel
Brass
Copper
Iron
Plastic
AL6061
SS201
C35600
C11000
20#
POM
AL6063
SS301
C36000
C12000
45#
Peek
AL6082
SS303
C37700
C12200
Q235
PMMA
AL7075
SS304
C37000
C10100
Q345B
ABS
AL2024
SS316
C37100
etc...
Q345B
Delrin
AL5052
SS416
C28000
 
1214/1215
Nylon
ALA380
etc...
C26000
 
12L14
PVC
etc...
 
C24000
 
Carbon steel
PP
 
 
C22000
 
4140 / 4130
PC
 
 
etc...
 
etc...
etc...

###

Surface Treatment
Material Available
As machined
All metals
Smoothed
All metals and Plastic (e.g aluminum, steel,nylon, ABS)
Powder Coated
All metals ( e.g aluminum, steel)
Brushing
All metals (e.g aluminum, steel)
Anodized Hardcoat
Aluminum and Titanium alloys
Electropolished
Metal and plastic (e.g aluminum, ABS)
Bead Blasted
Aluminum and Titanium alloys
Anodized Clear or Color
Aluminum and Titanium alloys
Material: Stainless Steel
Surface Treatment: Polishing
Application: Industrial Machine
Size: Customer′s Drawing
Service: OEM ODM
Standard or Nonstandard: Nonstandard Gear Wheel

###

Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

  Hobbing Milling Tooth Grinding
Max O.D. 1250mm 2000mm 2000mm
Min I.D. 20mm 50mm 20mm
Max Face Width 500mm 500mm 1480mm
Max DP DP 1 DP 1 DP 0.5
Max Module 26mm 26mm 45mm
DIN Level DIN Class 6 DIN Class 6 DIN Class 4
Tooth Finish Ra 3.2 Ra 3.2 Ra 0.6
Max Helix Angle ±45° ±45° ±45°

###

Custom CNC Machining Parts Service
Quotation
According to your drawing(size, material,and required technology, etc)
Materials
Aluminum, Copper, Brass, Stainless Steel, Steel, Iron, Alloy,  Titanium etc.
Surface Treatment
Anodizing, Brushing, Galvanized, laser engraving, Silk printing, polishing, Powder coating, etc.
Tolerance
+/- 0.005mm-0.01mm, 100% QC quality inspection before delivery, can provide quality inspection form
Processing
CNC Turning, Milling, Drilling, Hobbing, Polishing, Bushing, Surface Treatment etc.
Drawing Formats
Solid Works, Pro/Engineer, UG, AutoCAD(DXF, DWG), PDF, TIF etc.

###

Material Available
Aluminum
Stainless Steel
Brass
Copper
Iron
Plastic
AL6061
SS201
C35600
C11000
20#
POM
AL6063
SS301
C36000
C12000
45#
Peek
AL6082
SS303
C37700
C12200
Q235
PMMA
AL7075
SS304
C37000
C10100
Q345B
ABS
AL2024
SS316
C37100
etc...
Q345B
Delrin
AL5052
SS416
C28000
 
1214/1215
Nylon
ALA380
etc...
C26000
 
12L14
PVC
etc...
 
C24000
 
Carbon steel
PP
 
 
C22000
 
4140 / 4130
PC
 
 
etc...
 
etc...
etc...

###

Surface Treatment
Material Available
As machined
All metals
Smoothed
All metals and Plastic (e.g aluminum, steel,nylon, ABS)
Powder Coated
All metals ( e.g aluminum, steel)
Brushing
All metals (e.g aluminum, steel)
Anodized Hardcoat
Aluminum and Titanium alloys
Electropolished
Metal and plastic (e.g aluminum, ABS)
Bead Blasted
Aluminum and Titanium alloys
Anodized Clear or Color
Aluminum and Titanium alloys

Overview of Different Types of Pulleys

A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.
pulley

Pulley System Mechanics

There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.

Types of pulleys

Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of ​​the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of one pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.

Mechanical Advantages of Pulley Systems

A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.
pulley

Considerations when designing and installing a pulley system

The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of ​​this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.

Add more pulleys to the system

Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into one housing. If the load is small enough, adding a few pulleys probably won't make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.

cast iron pulley

Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of one inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2" cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you're not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.
pulley

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the one hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least one of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.

China CNC Machining Pulley Sheaves Teeth Customized Aluminum Wheels 8m 24t Htd Gt2 Timing Belt Pulleys     chain pulleyChina CNC Machining Pulley Sheaves Teeth Customized Aluminum Wheels 8m 24t Htd Gt2 Timing Belt Pulleys     chain pulley
editor by czh 2022-12-16