China Standard Pulley Pulleys Customized Transmission Timing Poly Chain Belt Sheaves Synchronous Pulleys engine pulley

Product Description

Pulley Pulleys Customized Transmission Timing Poly Chain Belt Sheaves Synchronous Pulleys



1) Warranty: our timing pulley’s quality is very good and with ensurance within 1 year, when you receive the products and find quality problems, we promise you could return it back and free maintenance.

2) Drawings: please send you timing pulleys’ drawings to us to get the best quotation; If you have no drawings, then we could work out CAD drawings and the best quotation to you ASAP.

3) Sample: we accept 1 piece sample’s order, we could do samples until you’re satisfied.

4) Confidentiality agreetment: Strictly adherence to client confidentiality agreetment for timing pulleys.




 Product Description


 Product  Name

 Timing Belt Pulley
Teeth profile  Trapezoidal toothed  MXL, XXL, XL, L, H, XH, XXH
 T-toothed  T2.5, T5, T10, T20
 Arc toothed  HTD3M, HTD5M, HTD8M, HTD14M, HTD20M, Gt2,  Gt3, Gt5
 S-toothed  S2M, S3M, S4.5M, S5M, S8M, S14M
 Parabolic-toothed  P2M, P3M, P5M, P8M, P14M
 Y-toothed  G2M, G3M, G5M, Y8M
 Teeth Quantity  10-150 teeth or customized
 Inner Bore  2-200mm H7 precision or customized
 Belt width  4mm, 6mm, 9mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 1/4”, 5/16”, 3/8”, 1/2”, 3/4”, 1”, 1.5”, 2”or customized
 Accessories  We can provide the service of assembling setscrews, bearings, shafts or  taper bush
 Surface  treatment  Anodize,Black Oxide,Phosphate and Galvanization
 Drawing Format  Timing belt pulley cad drawing,timing belt pulley UG drawing,Timing belt Pulley Soliwork drawing,Timing Pulley PDF drawing




What is timing pulley?

Timing pulleys are specialized pulleys that have either teeth or pockets around the outside diameter of the pulley body. Timing teeth engage holes in the metal belt, while timing pockets engage drive lugs on a belt’s inner circumference. These teeth or pockets are used only for timing, not for power transmission.


How timing pulleys work?

The synchronous wheel transmission is composed of an endless belt with equal-spaced teeth on the inner peripheral surface and a pulley with corresponding teeth. During operation, the toothed teeth mesh with the tooth grooves of the pulley to transmit motion and power, which is integrated with the belt. A new type of belt drive with the advantages of transmission, chain drive and gear transmission.


What is gt2 timing pulley?

2mm pitch GT2 Pulley. The GT2 or 2GT Tooth Profile timing pulley prevails in the 3d printing hobby cause the Round tooth profile brings high precision of non-backlash, were known as today’s Reprap Pulley.


What is a timing pulley flange?

Timing pulley flanges are used to maintain belt contact with a timing pulley in power transmission applications.Timing pulley flanges are manufactured to fit timing pulleys of the same pitch and size. The dimensions of a pitch, including the mating flange, are specified by the number of grooves.


What are synchronous belts used for?

The trapezoidal tooth profile first used on synchronous belts is recognized as standard. Belts with this configuration are commonly used in machine tools, textile machinery, home appliances, business equipment, and as camshaft drives in engines.


Note:Please confirm you need teeth profile, teeth quantity, belt width, bore diameter, quantity and type (please refer below drawings) to get our the most complete CAD drawings and the best quotation.

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Certification: ISO
Pulley Sizes: Type F
Manufacturing Process: Forging
Material: Iron
Surface Treatment: Baking Paint
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
US$ 50/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

synchronous pulley

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

Working with synchronous pulleys involves certain safety considerations to ensure the well-being of individuals and the proper functioning of the machinery. Here are some key safety considerations to keep in mind:

  1. Proper Training: Ensure that individuals working with synchronous pulleys have received proper training on their operation, maintenance, and safety procedures. They should be familiar with the specific hazards associated with pulley systems and know how to handle them safely.
  2. Personal Protective Equipment (PPE): Wear appropriate PPE, such as safety glasses, gloves, and protective clothing, when working with pulleys. PPE helps protect against potential hazards, such as flying debris, sharp edges, or accidental contact with rotating components.
  3. Lockout/Tagout: Follow lockout/tagout procedures when performing maintenance or repair work on pulley systems. Lockout/tagout involves isolating the power source, de-energizing the system, and securing it with lockout devices or tags to prevent accidental startup or release of stored energy.
  4. Machine Guarding: Ensure that pulley systems are properly guarded to prevent accidental contact with moving parts. Use appropriate barriers, covers, or enclosures to eliminate or minimize the risk of entanglement, pinch points, or other mechanical hazards.
  5. Inspection and Maintenance: Regularly inspect pulleys, belts, and related components for signs of wear, damage, or misalignment. Replace any worn or damaged parts promptly to avoid potential failures or accidents.
  6. Proper Lifting Techniques: When handling heavy pulleys or components, use proper lifting techniques to avoid strain or injury. Use lifting equipment, such as cranes or hoists, when necessary, and seek assistance from others if needed. Avoid lifting loads beyond your physical capabilities.
  7. Clear Communication: Maintain clear communication with other individuals working in the vicinity of pulley systems. Use standardized hand signals or verbal communication to coordinate tasks and ensure everyone’s safety.
  8. Emergency Procedures: Be familiar with the emergency procedures in place for dealing with accidents or malfunctions involving pulley systems. Know the location of emergency stops, shutdown procedures, and emergency contact information.
  9. Hazardous Environments: If working with synchronous pulleys in hazardous environments, such as areas with flammable gases, vapors, or dust, take appropriate precautions to mitigate the risks. Follow relevant safety regulations and use explosion-proof equipment where required.

By adhering to these safety considerations, individuals can minimize the risk of accidents, injuries, and equipment damage when working with synchronous pulleys. It is essential to prioritize safety at all times and consult relevant safety guidelines and regulations specific to the industry or region.

synchronous pulley

What role do synchronous pulleys play in maintaining constant speed and synchronization?

Synchronous pulleys play a crucial role in maintaining constant speed and synchronization in various mechanical systems. By working in conjunction with synchronous belts, these pulleys ensure that rotational motion is accurately transferred from the driving component to the driven component while maintaining precise timing. Here’s an in-depth look at the role synchronous pulleys play in maintaining constant speed and synchronization:

1. Timing and Synchronization:

Synchronous pulleys are specifically designed with teeth or grooves that interlock with the teeth on the synchronous belt. This toothed engagement creates a positive drive system, ensuring precise timing and synchronization between the pulleys and the belt. The teeth on the pulleys fit into the corresponding gaps on the belt, establishing a reliable connection that prevents slippage and maintains accurate motion control. This synchronized operation is essential for applications where multiple components need to move in perfect coordination, such as in robotics, printing presses, or automated assembly lines.

2. Constant Speed Ratio:

Synchronous pulleys and belts work together to maintain a constant speed ratio between the driving and driven components. The teeth on the pulleys and the corresponding teeth on the belt ensure a fixed number of teeth engaged at any given time. This fixed engagement ratio determines the speed ratio between the pulleys, resulting in a consistent rotational speed for the driven component relative to the driving component. This constant speed ratio is essential in applications where precise speed control is required, such as in conveyors, machine tools, or packaging equipment.

3. Elimination of Slippage:

One of the key advantages of using synchronous pulleys is the elimination of slippage. The toothed engagement between the pulleys and the belt provides a positive drive system, preventing any relative motion or slipping between the components. This eliminates the potential for speed variations or loss of synchronization that can occur with other drive systems, such as friction-based belts or pulleys. The absence of slippage ensures that the driven component maintains a constant speed and remains synchronized with the driving component, contributing to reliable and accurate operation.

4. Backlash Reduction:

Synchronous pulleys help reduce backlash, which is the play or clearance between mating components. Backlash can introduce inaccuracies and delays in motion control systems, leading to diminished speed control and synchronization. The toothed design of synchronous pulleys minimizes backlash by providing a positive engagement between the pulleys and the belt. This positive engagement ensures that there is minimal or no play between the teeth, resulting in precise and immediate transfer of motion without any lag or delay. By reducing backlash, synchronous pulleys contribute to maintaining constant speed and synchronization in the system.

5. High Torque Transmission:

Synchronous pulleys are capable of transmitting high torque loads between the driving and driven components. The toothed engagement, along with the increased surface area of contact between the pulleys and the belt, enables efficient power transmission even under heavy loads. This high torque transmission capability ensures that the system can maintain constant speed and synchronization even when subjected to significant forces or torque fluctuations. It is particularly important in applications that require reliable and precise motion control, such as in industrial machinery or automotive systems.

6. Maintenance of Speed and Timing Accuracy:

By providing a positive drive system with precise timing and synchronization, synchronous pulleys help maintain speed and timing accuracy over extended periods of operation. The toothed engagement between the pulleys and the belt ensures that the system remains in sync and operates at the desired speed without significant deviations. This accuracy is maintained even under varying loads, environmental conditions, or changes in operating parameters. The consistent speed and timing accuracy provided by synchronous pulleys contribute to the overall efficiency, reliability, and performance of the mechanical system.

In summary, synchronous pulleys play a vital role in maintaining constant speed and synchronization in mechanical systems. They ensure precise timing and synchronization between the driving and driven components, eliminate slippage, reduce backlash, enable high torque transmission, and help maintain speed and timing accuracy. By providing a reliable and efficient power transmission solution, synchronous pulleys contribute to the smooth and accurate operation of various applications, ranging from robotics and automation to industrial machinery and automotive systems.

synchronous pulley

How does a synchronous pulley assist in precise timing and power transmission?

A synchronous pulley, also known as a timing pulley, plays a crucial role in achieving precise timing and efficient power transmission in various mechanical systems. Through its specific design and interaction with a synchronous belt, a synchronous pulley offers several advantages that contribute to accurate timing and reliable power transmission. Here’s a detailed explanation of how a synchronous pulley assists in precise timing and power transmission:

1. Toothed Design:

A key feature of a synchronous pulley is its toothed design. The pulley has evenly spaced teeth or grooves on its circumference that match the corresponding teeth on a synchronous belt. This toothed design ensures positive engagement and prevents slippage between the pulley and the belt during operation. The teeth create a mechanical connection that allows for precise motion control and synchronization.

2. Toothed Belt Engagement:

A synchronous pulley works in conjunction with a synchronous belt, which also has teeth that interlock with the pulley’s teeth. The teeth on the belt fit precisely into the grooves of the pulley, creating a positive engagement. This toothed belt engagement maintains a fixed relationship between the pulley and the belt, ensuring accurate timing and synchronization of rotational motion.

3. Constant Speed Ratio:

By using a synchronous pulley and belt system, a constant speed ratio can be maintained between the driving and driven components. As the pulley rotates, the teeth of the belt engage and disengage with the pulley’s teeth, causing the belt to move with the same rotational speed as the pulley. This constant speed ratio enables precise timing and synchronization of multiple components within a mechanical system.

4. Elimination of Belt Slip:

Synchronous pulleys eliminate belt slip, which can occur in non-toothed pulley and belt systems. Belt slip can lead to inaccuracies in timing and power transmission, resulting in operational inefficiencies. The positive engagement between the teeth of the pulley and the belt ensures that the belt remains firmly in place, preventing slip and maintaining precise timing and power transmission.

5. Accurate Speed Control:

The toothed design of a synchronous pulley enables precise speed control in mechanical systems. By choosing pulleys with different numbers of teeth or altering the pulley diameter, the speed ratio between the driving and driven components can be adjusted. This allows for fine-tuning of the system’s speed and ensures accurate timing and synchronization of rotational motion.

6. High Torque Transmission:

Synchronous pulleys are capable of transmitting high torque loads due to the positive engagement between the pulley’s teeth and the belt. This feature is particularly advantageous in applications where heavy loads or high torque requirements are present. The toothed design of the pulley ensures that torque is efficiently transferred from the driving component to the driven component, enabling reliable power transmission.

7. Minimal Backlash:

Backlash refers to the slight movement or play that can occur between the driving and driven components in a mechanical system. Synchronous pulleys minimize backlash due to the precise toothed engagement with the synchronous belt. The positive engagement eliminates any significant play, ensuring precise timing and minimizing positional errors in the system.

8. Durable and Low-Maintenance:

Synchronous pulleys are designed to be durable and require minimal maintenance. The toothed design reduces wear and extends the lifespan of the pulley and the belt. Additionally, the elimination of belt slip reduces the need for frequent tension adjustments. These characteristics contribute to the long-term reliability and efficiency of the timing and power transmission system.

In summary, a synchronous pulley assists in precise timing and power transmission through its toothed design, accurate engagement with a synchronous belt, constant speed ratio, elimination of belt slip, accurate speed control, high torque transmission, minimal backlash, and durability. These features enable the pulley to maintain accurate timing, synchronization, and reliable power transmission in a wide range of mechanical systems.

China Standard Pulley Pulleys Customized Transmission Timing Poly Chain Belt Sheaves Synchronous Pulleys   engine pulleyChina Standard Pulley Pulleys Customized Transmission Timing Poly Chain Belt Sheaves Synchronous Pulleys   engine pulley
editor by CX


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