China wholesaler Spz150-03/V-Belt Pulley with Taper Bushing/Pulley/Conveyor Roller/Timing Belt Pulley/Equipment Parts/Belt Pulley /Groove Pulley/European Standard Belt Pulley with high quality

Product Description

Product Description

·  European standards :
    a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC   
    b) Adjustable speed V-belt pulleys and variable speed pulleys             
    c) Flat belt pulleys and conveyor belt pulleys
·   Bore: Pilot bore, finish bore, taper bore, and bore for QD bushing
·   Parts can be made according to drawings or samples

Detailed Photos

Product Parameters



We have got many patent certifacates and authorizations for our casting parts.

Packaging & Shipping

Normally we pack the goods with plastic film and wooden pallet, if you have any special requests feel free to advise us.

Company Profile

HangZhou CHINAMFG Machinery Equipment Co., Ltd. was established on February 1st, 2018. It is located at No. 27, Xihu (West Lake) Dis.shao Avenue, South China Advanced Equipment Park, Xihu (West Lake) Dis. District, HangZhou City, ZheJiang Province China. It covers an area of 40,000 square CHINAMFG and a total of 27,000 square CHINAMFG of workshops, with a total investment of 120 million RMB. So far, there are more than 140 employees, more than 100 workshop workers, 3 senior engineers, 5 quality inspectors, 3 purchasing personnel, and more than 20 persons of all functional departments. The predecessor of the company was HangZhou Zhuwang Machinery Equipment Co., Ltd., which was established on September 26th, 2014.
The company is equipped with a set of fully automatic double-head static pressure casting production line equipment, sand mold size 1200*1000*250/250, a total of 202 sand boxes, with a set of 2*3tons electric CHINAMFG and a set of 2*2tons electric furnace, a set of 120-ton sand processing equipment, realizes automatic operation of casting production, and can produce 5,000 tons of various castings every month, and can produce castings with specifications of 5-200 kg.
The company is specializing in producing and selling castings of various specifications, such as: precision castings, auto parts castings, mechanical castings, valve castings, etc. Our company’s product quality is high-quality, and we always adhere to and implement the “quality is the foundation of enterprise survival, and provide users with satisfactory products and services are our CHINAMFG pursuit “quality policy.
The company’s products are all in line with the national standard (GB), with rich varieties and complete specifications. They are widely used in petroleum, chemical, electric power, boiler, ship, machinery and other industries. They have been sold around over the country and have been well received by many customers.

After Sales Service

For after-sale stage, our service team always keep close contact with you and always stand by at your service. Our warranty is 12 months after delivery. If there is any defect about our products and our service, please keep us informed. We will deal with them unconditionally.


1) What is your main product?
  Our major products are V-belt pulleys, manhole covers and types of casting parts.
2) Do you have MOQ for your product?
  Normally our MOQ is 1*20 feet container, but if you want to make some trial orders, feel free to contact us.
3) How about your delivery time?
  In hot season it is about 1 month, in slack season it is only about 15 workdays.
4) What is your payment term?
  T/T, L/C, Western Union
5)  Can you send me a price list?
  Of course, pls contact us and get it.
6) Can you provide samples?
  Sure, free samples will be provided, just contact us.

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Certification: ISO
Pulley Sizes: Type Z
Manufacturing Process: Casting
Material: Iron
Surface Treatment: Oxygenation
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant, Agricultural Machine
US$ 50/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

timing pulley

How do timing pulley systems ensure synchronized motion?

Timing pulley systems play a crucial role in ensuring synchronized motion in various mechanical systems. Here’s how timing pulley systems achieve synchronized motion:

1. Toothed Design:

Timing pulleys have teeth or grooves on their periphery that mesh with the teeth on the timing belt or chain. The toothed design creates positive engagement between the pulley and the belt or chain, preventing slippage and maintaining precise synchronization.

2. Timing Belts or Chains:

The timing pulley system works in conjunction with a timing belt or chain. The teeth on the belt or chain interlock with the teeth on the pulley, ensuring that the rotational motion is transferred accurately from the driving pulley to the driven pulley. The precise engagement of the teeth allows for synchronized motion between the pulleys.

3. Constant Pitch:

The teeth on the timing belt or chain and the corresponding teeth on the timing pulleys have a consistent pitch. The pitch refers to the distance between the teeth, and it remains constant throughout the length of the belt or chain. This constant pitch ensures that the teeth on the belt or chain engage with the pulley teeth at the same rate, maintaining synchronized motion.

4. Precise Manufacturing Tolerances:

Timing pulley systems are manufactured with tight tolerances to ensure accurate tooth profiles and consistent dimensions. The teeth on the pulleys and the teeth on the belt or chain are designed to match precisely, allowing for seamless interaction and precise synchronization. High manufacturing tolerances contribute to the reliability and efficiency of the system.

5. Tension Control:

Proper tension control is vital for achieving synchronized motion in a timing pulley system. The tension in the timing belt or chain needs to be adjusted correctly to ensure optimal engagement with the pulleys. Tensioners and idler pulleys are often used to maintain the appropriate tension, ensuring that the belt or chain remains securely engaged with the pulleys.

6. Suitable Pulley and Belt/Chain Selection:

Choosing the appropriate combination of timing pulleys and timing belts or chains is crucial for achieving synchronized motion. Factors such as pulley diameter, number of teeth, belt or chain pitch, and material selection need to be considered to match the specific requirements of the application. Proper selection ensures that the pulley system operates with accurate timing and synchronized motion.

7. Regular Maintenance and Inspection:

To ensure continued synchronized motion, regular maintenance and inspection of the timing pulley system are necessary. This includes checking for wear, proper tension, and alignment, and replacing any worn-out components. Routine maintenance helps identify and address potential issues that could affect the synchronized motion of the system.

By incorporating toothed design, timing belts or chains, constant pitch, precise manufacturing tolerances, tension control, suitable pulley and belt/chain selection, and regular maintenance, timing pulley systems ensure synchronized motion in mechanical systems. This synchronization is essential for accurate timing, coordination, and efficient operation of various applications.

timing pulley

What safety considerations should be kept in mind when working with timing pulleys?

Working with timing pulleys requires careful attention to safety to prevent accidents and injuries. Here are some essential safety considerations to keep in mind:

1. Proper Training:

Ensure that individuals working with timing pulleys have received proper training on their safe handling and operation. Training should cover topics such as correct installation procedures, maintenance guidelines, and understanding the risks associated with timing pulley systems.

2. Personal Protective Equipment (PPE):

Wear appropriate personal protective equipment, including safety glasses, gloves, and any other required protective gear when working with timing pulleys. PPE helps protect against potential hazards such as flying debris, sharp edges, or accidental contact with moving parts.

3. Lockout/Tagout Procedures:

Follow established lockout/tagout procedures when performing maintenance or repair tasks on machinery equipped with timing pulleys. Lockout/tagout procedures involve isolating the power source, de-energizing the system, and securing it with a lock or tag to prevent unexpected startup or energization.

4. Machine Guarding:

Ensure that timing pulleys are properly guarded to prevent accidental contact. Install appropriate machine guards, barriers, or enclosures to prevent fingers, clothing, or other objects from coming into contact with the moving pulleys or belts.

5. Regular Inspection and Maintenance:

Regularly inspect timing pulleys for signs of wear, damage, or misalignment. Replace any worn or damaged components promptly to maintain safe operation. Follow the manufacturer’s recommended maintenance schedule and procedures.

6. Avoid Loose Clothing and Jewelry:

Avoid wearing loose clothing, jewelry, or any other items that could get caught in the timing pulleys or associated machinery. Loose clothing or accessories can pose a significant risk of entanglement or injury.

7. Proper Lifting and Handling:

When handling timing pulleys or related equipment, use proper lifting techniques and equipment to prevent strain or injuries. Seek assistance when dealing with heavy or bulky pulleys.

8. Risk Assessment:

Conduct a thorough risk assessment of the machinery and work environment to identify any additional safety measures that may be required. Consider factors such as noise levels, ventilation, and ergonomics to ensure a safe working environment.

9. Emergency Stop and Shutdown:

Ensure that machinery equipped with timing pulleys has accessible emergency stop buttons or switches. Familiarize yourself with the location and operation of these emergency stop devices and know how to shut down the machinery quickly in case of an emergency.

10. Follow Manufacturer’s Guidelines:

Adhere to the manufacturer’s guidelines, instructions, and warnings specific to the timing pulleys and associated machinery. Manufacturers provide valuable information regarding safe operation, maintenance procedures, and recommended safety precautions.

By following these safety considerations, individuals can minimize the risks associated with working with timing pulleys and promote a safe working environment.

timing pulley

What is a timing pulley, and how is it used in mechanical systems?

A timing pulley, also known as a synchronous pulley, is a type of pulley specifically designed to work with toothed belts or timing belts. It features grooves or teeth on its circumferential surface that mesh with corresponding teeth on the belt. Timing pulleys are used in mechanical systems that require precise and synchronized power transmission, where accurate timing and positioning are crucial. Here’s an explanation of the role and usage of timing pulleys in mechanical systems:

1. Power Transmission:

The primary function of a timing pulley is to transmit rotational motion and power between two or more shafts in a mechanical system. The teeth on the pulley engage with the teeth on the timing belt, creating a positive drive system. This positive engagement ensures that the pulley and the belt move together without slipping, providing accurate timing and power transfer.

2. Synchronization:

Timing pulleys are used to synchronize the rotation of different components in a mechanical system. By using matching timing belts and pulleys, the rotational motion of the driving pulley is transferred precisely to the driven pulleys. This synchronization is critical in applications that require accurate timing, such as in engines, printers, CNC machines, and robotics.

3. Speed and Torque Control:

Timing pulleys allow for control over the speed and torque in mechanical systems. By varying the diameter or the number of teeth on the pulleys, different speed ratios can be achieved between the driving and driven shafts. This feature enables the adjustment of rotational speed and torque according to the specific requirements of the application.

4. Positioning and Indexing:

Timing pulleys are often used for precise positioning and indexing of components in mechanical systems. The teeth on the pulley and the timing belt ensure accurate movement and positioning of parts, allowing for repeatable and controlled motion. This makes timing pulleys suitable for applications such as automated assembly lines, 3D printers, and precision motion control systems.

5. Low Maintenance:

Timing pulleys and belts require minimal maintenance due to their design. The toothed profile prevents slippage and eliminates the need for constant tension adjustments. Additionally, they operate with minimal noise and vibration, reducing the wear and tear on the system and increasing its overall reliability.

6. Variations and Configurations:

Timing pulleys are available in various sizes, materials, and configurations to suit different applications. They can be made from materials such as aluminum, steel, or plastic, depending on the requirements of the system. Furthermore, timing pulleys can have different tooth profiles, pitch sizes, and numbers of teeth, allowing for customization based on the specific power transmission needs.

In summary, timing pulleys are specialized pulleys used in mechanical systems to provide precise and synchronized power transmission, accurate timing and positioning, speed and torque control, and low-maintenance operation. Their use is prevalent in applications that require reliable and controlled motion, such as engines, robotics, CNC machines, and automated systems.

China wholesaler Spz150-03/V-Belt Pulley with Taper Bushing/Pulley/Conveyor Roller/Timing Belt Pulley/Equipment Parts/Belt Pulley /Groove Pulley/European Standard Belt Pulley   with high quality China wholesaler Spz150-03/V-Belt Pulley with Taper Bushing/Pulley/Conveyor Roller/Timing Belt Pulley/Equipment Parts/Belt Pulley /Groove Pulley/European Standard Belt Pulley   with high quality
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