China Good quality Professional Factory OEM Polyurethane Nylon Plastic Guide Pulley Bearings V Groove Wheels pulley alternator

Product Description

 Customize Rubber & Plastic & PU products
According to samples or drawings

For fast quotation, please confirm below details;
1. Product type
2. Size (provide samples or 2d/3d drawings for reference)
3. Specific material (or let us using environment)
4. Quantity request
5. Prefer color

Product Details

Description

  1. OEM size suit for customers’ requirment
  2. Multiple color can be choosed
  3. Engraved or embossed logo accepted
  4. Large order quantity are able to be fulfilled
  5. Strict quality control system
  6. In time delivery and thoughtful custom-service
  7. Certification: SGS, GB/T 19001-2016, ISO9001:2005
Product Specifications
Material Nylon ,mc nylon, POM,ABS,PU,PP,PE,PTFE,UHMWPE,HDPE,LDPE, PVC,etc.
Color Black, white, red, green, transparent or any color according to Pantone code
Size As per customer’s requirements
Technology Injection molding, CNC machining, Extrusion,vacuum forming,Compression molding,Over molding&insert molding
Surface Treatment Powder coating, Zinc coating, Galvanization, Electro-deposition coating, Chrome/zinc/nickel plating, Polishing, Silkscreen, Black oxide
Application Automotive, ATV, Mechanical equipment, Construction, Home appliance, Aviation,
Office facilities, Agriculture, etc.
Biggest Part Size 1500*1500*1000mm
Tolerance 0.01mm–0.001mm
Drawing Format STEP/STP/IGS/STL/CAD/PDF/DWG and Other
Packaging Can be customized packaging
Shippment We have longterm cooperation with internation shipping agent and express company, so that shipping safty and arriving time are secured
Service Product & Mold Design and Making,Material Modification,Surface Treatment,Assembly,Custom Packaging

Main Product Range

 

Our Factory

Our Certification

Zhongde is a SGS verified manufacture. We have passed ISO9001:2005 quality control certifacation as well as environment management certification.

Our Factory
Zhongde is a leading manufacture of OEM parts in plastic &rubber parts. Our workers are experienced and professional in international trade.We are always pursuing providing better quality products and more competitive price in shorter period. With a experienced engineer team, production team and Professional sales team.we are confident to help you develop and manufacture your product.

Our Machine
We have different types of machines to meet different requriements. Most our machines were imported from overseal. The highest rotate speed of CNC machining center can reach to 20,000RPM. The largest vulcanize rubber machine can produce rubber parts within 3000mm.

FAQ:

Q1. Are you factory or trade company?
A: We are both, we have our own factory and we can export by ourself.

Q2. What kind of payment do you accept?
A: Trade assurance, T/T, L/C, Weston Union are all accepted.

Q3. What is normal lead time? 
A: Average 15-25 days for tooling, bulk orders should be depends on quantity.

Q4. What is your standard package?
A: In general we use ziplock bag or bubble file plus cardboard boxes, wooden pallets or wooden cases will be used if necessary,. Special packing method is available if needed.

Q5. What is the working life of the mould?
A: It depends on the parts we made. Besides, we will maintain or replace the mould be ourselves. 

Contact Us

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Pulley Sizes: Type D
Manufacturing Process: Forging
Material: Plastic
Samples:
US$ 999/Piece
1 Piece(Min.Order)

|

Order Sample

For sample price, package information, and logisti
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

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Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

step pulley

What role do step pulleys play in achieving variable speed control in machinery?

Step pulleys play a crucial role in achieving variable speed control in machinery. Here’s how they contribute to this capability:

1. Speed Variation:

Step pulleys provide multiple steps or levels of different diameters. By changing the position of the belt or chain from one step to another, the effective diameter of the pulley is altered. This variation in diameter results in different speed ratios between the driving pulley and the driven pulley. By selecting different steps, the rotational speed of the driven component can be adjusted, allowing for variable speed control.

2. Manual Adjustment:

Step pulleys enable manual adjustment of the speed. Operators can easily and quickly change the speed by shifting the belt or chain to a different step on the pulley. This manual adjustment feature provides simplicity and convenience in achieving the desired speed for different tasks or operating conditions.

3. Speed Range:

The arrangement of steps on the pulley determines the available speed range. Step pulleys can be designed with a range of steps, each corresponding to a specific speed ratio. This allows for a wide range of speed options, making them suitable for applications that require variable speeds.

4. Incremental Speed Control:

Step pulleys offer incremental speed control. Each step on the pulley corresponds to a specific speed ratio, allowing for precise speed adjustments. Operators can select the step that provides the desired speed increment for the specific task at hand. This incremental control is particularly useful when fine-tuning the speed for optimal performance.

5. Adaptability:

Step pulleys are adaptable to different power transmission systems. They can be easily integrated into various machinery setups, allowing for variable speed control in a wide range of applications. Whether it’s in industrial machinery, woodworking equipment, or even domestic appliances, step pulleys provide a versatile solution for achieving variable speed control.

6. Energy Efficiency:

Variable speed control offered by step pulleys contributes to energy efficiency. By adjusting the speed to match the requirements of the task, unnecessary power consumption can be avoided. This energy-saving feature is beneficial in terms of reducing operating costs and promoting sustainability.

Overall, step pulleys are essential components for achieving variable speed control in machinery. Their ability to vary speed through manual adjustment and their adaptability to different systems make them a reliable and effective solution for applications that require flexible speed control.

step pulley

Are there different types of step pulleys, and how do they vary in applications?

Yes, there are different types of step pulleys, and they vary in applications based on their design and features. Here are some common types of step pulleys and their respective applications:

1. Single-Step Pulleys:

Single-step pulleys have a single groove and are typically used in applications where a simple speed reduction or power transmission is required. They are commonly found in small machinery or equipment, such as benchtop tools, where only one fixed speed is needed.

2. Multi-Step Pulleys:

Multi-step pulleys have multiple grooves of varying diameters. They offer several speed options by positioning the belt on different steps of the pulley. These pulleys are widely used in drill presses, lathes, milling machines, and other machinery that require variable speed control. The ability to change the belt position allows for different speed settings to match specific machining operations or material characteristics.

3. Cone Pulleys:

Cone pulleys have a tapered shape, resembling a cone. They offer a continuous range of speed options by adjusting the position along the taper. Cone pulleys are commonly used in lathes, where the tailstock can be moved to change the position of the drive belt on the cone pulley, resulting in a variable speed control. They provide smooth speed transitions and are suitable for applications that require fine adjustments in speed.

4. Variable Speed Pulleys:

Variable speed pulleys, also known as stepless or infinitely variable pulleys, offer a continuous range of speed control without discrete steps. They consist of two pulleys connected by a belt or chain, with one pulley changing its diameter to vary the speed. These pulleys are commonly used in applications where precise speed adjustments are required, such as automotive engines, industrial machinery, and exercise equipment.

5. Timing Pulleys:

Timing pulleys have teeth or grooves that mate with corresponding teeth on a timing belt. They are used in applications where precise synchronization between the pulley and the driven component is necessary. Timing pulleys are commonly found in robotics, 3D printers, CNC machines, and other precision systems.

6. Step Pulley Systems with Backgear:

Some step pulley systems incorporate a backgear mechanism. Backgear allows for additional speed reduction, enabling the machine to operate at even lower speeds. These systems are commonly found in heavy-duty industrial machinery, such as large lathes or milling machines, where high torque and low-speed operations are required.

The selection of a specific type of step pulley depends on the desired speed range, the level of speed control needed, the nature of the application, and the specific machinery or equipment requirements. It is essential to choose the appropriate type of step pulley to ensure optimal performance and efficiency in the intended application.

step pulley

What types of belts or cables are typically employed with step pulleys?

Step pulleys are commonly used with specific types of belts or cables that are suitable for power transmission and engagement with the pulley’s steps. Here are some typical belt and cable options employed with step pulleys:

1. V-Belts:

V-belts are one of the most widely used types of belts with step pulleys. They have a trapezoidal cross-section and are designed to fit into the V-shaped grooves on the steps of the pulley. V-belts offer good power transmission capabilities and are known for their high frictional grip.

2. Flat Belts:

Flat belts, as the name suggests, have a flat cross-section. They are often made of materials like rubber, nylon, or leather. Flat belts are suitable for step pulleys that have wider and flatter steps. They provide reliable power transmission but may have lower grip compared to V-belts.

3. Synchronous Belts:

Synchronous belts, also known as timing belts, have teeth on the inner surface. They are designed to engage with matching teeth on the steps of the pulley. Synchronous belts offer precise power transmission and are commonly used in applications where accurate timing and synchronization are required.

4. Chain and Sprocket:

In some cases, step pulleys may be employed with chains and sprockets instead of belts. Chains with matching pitch and sprockets with corresponding teeth engage with the pulley steps, providing durable and efficient power transmission. Chain and sprocket setups are often used in heavy-duty applications.

5. Cable and Sheave:

For certain applications, such as in elevators or cranes, step pulleys may be used with cables and sheaves. The cable is wound around the sheave on the pulley, allowing for smooth and controlled movement.

The choice of belt or cable depends on factors such as the specific application, power requirements, speed range, and environmental conditions. It’s important to select the appropriate belt or cable that can effectively engage with the steps of the step pulley and provide reliable power transmission.

China Good quality Professional Factory OEM Polyurethane Nylon Plastic Guide Pulley Bearings V Groove Wheels   pulley alternatorChina Good quality Professional Factory OEM Polyurethane Nylon Plastic Guide Pulley Bearings V Groove Wheels   pulley alternator
editor by CX

2024-05-14