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China best Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley chain pulley

Product Description


. Feature

Our Timing Belt uses Japan-imported high quality synthetic neoprene, high quality glass fiber cord and tooth surface with nylon 66 high stretch do the protection. The timing belt adapts teeth or teeth mesh to transfer power. It needs no lubrication, no slip, no pollution, less noise. The transmission efficiency is over 98%, and the speed ratio can reach 1:10. Linear velocity can be up to 50m/s. Its dynamic bending wind gives a good fatigue performance, and good aging heat-resistance abrasion performance.

. Parameters

Figure 1. Physicomechanical Property

Item  Trapezoid Teeth Arc Teeth
XL L H XH XXH 3M 5M 8M 14M 20M
Tensile Strength N/mm 80 120 270 380 450 90 160 300 400 520
Elongation Reference at Loading   N 60 90 220 300 360 70 130 240 320 410
Adhesion strength of cloth N/mm 5 6.5 8 10 12 6 10 12 15
Adhesion strength of core N/mm 200 300 600 800 1500 400 700 1200 1600
Gear shearing intensity N/mm 50 60 70 75 90 50 60 80 100
Elongation ≤ % 4%
Hardness Shore A 75 ± 5

Figure 2: Belt Teeth Size

Type Pitch (pb) mm Tooth height (ht) mm Belt thick (hs) mm Angle
MXL 2.032 0.51 1.14 40º
XXL 3.175 0.76 1.52 40º
XL 5.080 1.27 2.3 40º
L 9.525 1.91 3.6 40º
H 12.7 2.29 4.3 40º
XH 22.225 6.35 11.2 40º
XXH 31.7 9.53 15.7 40º
T2.5 2.5 0.7 1.3 40º
T5 5.0 1.2 2.2 40º
T10 10 2.5 4.5 40º
T20 20 5.0 8.0 40º
AT5 5.0 1.2 2.7 40º
AT10 10 2.5 5.0 40º
AT20 20 5.0 8.0 40º

. Production Equipment
01, pulley CNC processing zone                            02, synchronous belt making machine                  03, synchronous round roll teeth processing zone
04, synchornous belt curing processing zone        05, 3 roll calender                                            06, direct drive belt forming machine
07, pulley workshop timing mould

. Quality Testing


Q1.  Can I have a sample order?
        Yes, any sample order is welcome to know the quality of our products.

Q2.  What about the lead time of the sample or the final order?
        2-5 days for normal sample.
        20-30 days for a formal order.

Q3. How much is the minimum quantity for each item in 1 order?
       One mould quantity is ok. Usually around 100pcs for small item, several dozens for big item. 

Q4. Is it possible to print our logo or brand on the belt?
       Yes, we can print your logo or design on the belt after receipt of your formal authorization        letter of the logo or your brand.

Q5. Do you offer the guarantee for your product?
       Yes, usually we offer 1 year warranty for all of our products.



Standard or Nonstandard: Standard
Application: Electric Cars, Motorcycle, Car
Feature: Wear-Resistant, High Temperature-Resistance
Tensile Strength: Strong
Material: Rubber
Type: Toothed Belt
US$ 0.1/Piece
1 Piece(Min.Order)

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Customized Request

timing pulley

Can timing pulleys be customized for specific applications?

Yes, timing pulleys can be customized to suit specific applications and requirements. Here’s how timing pulleys can be customized:

1. Size and Dimensions:

Timing pulleys can be customized in terms of their size and dimensions to fit specific shaft diameters, spacing, and clearance requirements. Customization allows engineers to ensure proper alignment and integration of the pulley within the system.

2. Tooth Profile:

The tooth profile of a timing pulley can be customized based on the specific power transmission needs of the application. Different tooth profiles, such as trapezoidal, curvilinear, or modified curvilinear, offer varying levels of engagement, load capacity, and noise characteristics. Customizing the tooth profile allows for optimized performance and efficiency.

3. Material Selection:

Timing pulleys can be customized by selecting the appropriate material based on the application’s requirements. Different materials, such as steel, aluminum, plastic, or composites, offer varying levels of strength, durability, corrosion resistance, and temperature tolerance. Customizing the material ensures compatibility with the operating conditions and environment.

4. Coatings and Surface Treatments:

Custom coatings and surface treatments can be applied to timing pulleys to enhance their performance and longevity. These treatments include but are not limited to hard anodizing, zinc plating, nitriding, or specific coatings for reduced friction, wear resistance, or improved tooth engagement.

5. Flanges and Attachments:

Timing pulleys can be customized with flanges or attachments to facilitate proper belt tracking, prevent belt slippage, or accommodate specific mounting requirements. These additions help ensure reliable and stable power transmission in the application.

6. Keyways and Hubs:

Custom keyways and hubs can be incorporated into timing pulleys to provide precise shaft-to-pulley connection and prevent slippage or misalignment. Keyways and hubs allow for secure and accurate power transmission in applications that require high torque or precise positioning.

7. Prototype and Low-Volume Production:

Timing pulleys can be customized through prototyping and low-volume production processes. This allows for the creation of unique designs, iterations, and testing before full-scale production. Customization at these stages ensures that the final timing pulleys meet the specific requirements of the application.

By offering customization options, timing pulley manufacturers and suppliers can cater to a wide range of industries and applications, including automotive, aerospace, robotics, industrial automation, medical, and more. Customized timing pulleys provide engineers with the flexibility to design systems that meet precise power transmission needs, resulting in optimized performance, reliability, and efficiency.

timing pulley

How do timing pulleys contribute to precision and accuracy in machinery?

Timing pulleys play a significant role in enhancing precision and accuracy in machinery. Here’s an explanation of how timing pulleys contribute to precision and accuracy:

1. Synchronization of Components:

Timing pulleys ensure precise synchronization of different components in a machinery system. By using toothed timing belts or chains that mesh with the teeth on the pulleys, rotational motion can be accurately transferred from one pulley to another. This synchronization is vital for applications where precise coordination is essential, such as in robotics, printing presses, and conveyor systems.

2. Accurate Timing:

Timing pulleys, in combination with timing belts or chains, enable precise timing of operations in machinery. The teeth on the belt or chain engage with the teeth on the pulley, allowing for accurate positioning and control of the driven components. This accuracy in timing ensures that specific actions or tasks occur at the desired intervals, resulting in precise operation and improved overall performance.

3. Consistent Speed and Motion:

Timing pulleys contribute to maintaining consistent speed and motion in machinery. The teeth on the timing belt or chain engage with the teeth on the pulley, preventing slippage and maintaining a constant speed ratio between the driving and driven pulleys. This consistency in speed and motion is crucial for applications that require uniform movement, such as in CNC machines or automated assembly lines.

4. Reduced Backlash:

Timing pulleys help minimize backlash, which refers to the slight movement or play that can occur when there is a change in the direction of motion. The positive engagement between the teeth on the timing belt or chain and the pulley teeth reduces backlash, ensuring that there is minimal or no lost motion. This reduction in backlash contributes to improved precision and accuracy in the machinery.

5. Repeatable Performance:

Timing pulleys enable repeatable performance in machinery. The precise engagement between the teeth on the belt or chain and the pulley ensures that the same motion or action is replicated consistently. This repeatability is essential in applications that require consistent and accurate results, such as in automated manufacturing processes or precision measuring equipment.

6. Tolerance for High Loads:

Timing pulleys are designed to handle high loads while maintaining precision and accuracy. The toothed design and robust construction of timing pulleys allow them to transmit power effectively, even under heavy loads. This capability to withstand high loads without compromising precision ensures reliable performance in demanding applications.

7. Compatibility with Automation and Control Systems:

The precise and accurate nature of timing pulleys makes them compatible with automation and control systems. They can be easily integrated into computerized control systems, allowing for precise positioning and control of machinery components. This integration enhances the overall precision and accuracy of the system.

In summary, timing pulleys contribute to precision and accuracy in machinery by enabling synchronization of components, accurate timing, consistent speed and motion, reduced backlash, repeatable performance, tolerance for high loads, and compatibility with automation and control systems. These characteristics make timing pulleys a fundamental component in achieving precise and accurate operation in various mechanical systems.

timing pulley

In which industries are timing pulleys commonly employed?

Timing pulleys find application in various industries where precise motion control, accurate timing, and reliable power transmission are crucial. Here are some industries where timing pulleys are commonly employed:

1. Manufacturing and Automation:

Timing pulleys are extensively used in manufacturing and automation industries. They play a vital role in conveyor systems, robotic arms, pick-and-place machines, packaging equipment, and assembly lines. Timing pulleys ensure precise movement, synchronization, and positioning of components, facilitating efficient and automated production processes.

2. Automotive and Transportation:

The automotive and transportation industries rely on timing pulleys for engine timing and power transmission. Timing pulleys are used in internal combustion engines to synchronize the rotation of the camshaft and crankshaft, ensuring proper valve timing. They are also employed in various vehicle systems such as steering, air conditioning, and powertrain components.

3. Aerospace and Aviation:

In the aerospace and aviation industries, timing pulleys are utilized in applications that require precise motion control and synchronization. They are used in aircraft engines, flight control systems, landing gear mechanisms, and wing flap systems. Timing pulleys contribute to the safety, efficiency, and reliability of aircraft operations.

4. Medical and Healthcare:

In the medical and healthcare fields, timing pulleys are utilized in medical devices, diagnostic equipment, surgical robots, and imaging systems. They enable precise movement and positioning in equipment such as infusion pumps, robotic surgery systems, and CT scanners. Timing pulleys contribute to accurate procedures, patient safety, and improved healthcare outcomes.

5. Printing and Paper Handling:

Printing presses and paper handling equipment utilize timing pulleys to ensure precise paper feeding, registration, and tension control. Timing pulleys enable accurate and synchronized movement of paper rolls, sheets, or labels, ensuring high-quality printing and efficient paper handling processes.

6. Textile and Garment Industry:

In the textile and garment industry, timing pulleys are employed in textile machinery, knitting machines, and sewing equipment. They assist in controlling the movement of fabric, yarn, and threads, ensuring precise and synchronized operations. Timing pulleys contribute to the efficiency and quality of textile and garment production processes.

7. Industrial Automation and Robotics:

Timing pulleys have widespread usage in industrial automation and robotics applications. They are employed in robotic arms, CNC machines, automated guided vehicles (AGVs), and material handling systems. Timing pulleys enable precise and synchronized movement, enhancing productivity, accuracy, and efficiency in industrial automation processes.

8. Semiconductor and Electronics:

The semiconductor and electronics industries utilize timing pulleys in equipment such as wafer handling systems, pick-and-place machines, and semiconductor manufacturing equipment. Timing pulleys ensure precise positioning, alignment, and synchronization of delicate components, contributing to the manufacturing of high-quality electronic devices.

These are just a few examples of industries where timing pulleys are commonly employed. Their versatile nature and ability to provide precise motion control make them valuable components in various applications across different sectors.

China best Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley   chain pulleyChina best Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley   chain pulley
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