China supplier Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley with high quality

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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htd pulley

What are some real-world examples of HTD pulley applications in various industries?

HTD pulleys find extensive applications in various industries, enabling efficient power transmission, precise motion control, and reliable performance. Here are some real-world examples of HTD pulley applications in different industries:

1. Automotive Industry:

In the automotive industry, HTD pulleys are used in engine systems, timing belts, and accessory drives. They drive components such as water pumps, alternators, power steering pumps, and air conditioning compressors. The pulleys assist in synchronizing the engine’s valves and camshafts, ensuring precise timing and efficient combustion. HTD pulleys also contribute to the smooth operation of various vehicle systems, enhancing overall performance and reliability.

2. Industrial Automation:

In industrial automation, HTD pulleys are employed in conveyor systems, robotic arms, and material handling equipment. They enable the precise movement and positioning of components, facilitating efficient production processes and assembly lines. HTD pulleys contribute to the automation and synchronization of various industrial tasks, ensuring accurate and reliable operation in industries such as manufacturing, logistics, and warehousing.

3. Medical and Laboratory Equipment:

HTD pulleys play a vital role in medical and laboratory equipment, including centrifuges, liquid handling systems, robotic systems, and imaging devices. They facilitate precise sample handling, fluid pumping, robotic motion control, and imaging system positioning. HTD pulleys contribute to the automation, accuracy, and reliability of medical diagnostics, laboratory research, and clinical procedures, improving patient care and scientific advancements.

4. Printing and Packaging:

In the printing and packaging industry, HTD pulleys are utilized in printing presses, label applicators, and packaging machines. They drive the movement of paper or packaging materials, ensuring accurate feeding, cutting, and positioning. HTD pulleys contribute to high-speed printing and packaging processes, maintaining tight registration and delivering consistent quality output in industries such as commercial printing, labeling, and packaging manufacturing.

5. Textile Machinery:

HTD pulleys are extensively used in textile machinery, including spinning machines, weaving looms, and knitting machines. They drive the rotation of spindles, bobbins, and other components involved in yarn production, fabric formation, and textile processing. HTD pulleys enable precise control over the speed and tension of yarns, contributing to the efficiency and quality of textile manufacturing processes.

6. Agricultural Equipment:

In the agricultural sector, HTD pulleys are employed in various equipment such as combine harvesters, seeders, and irrigation systems. They drive the movement of components like conveyor belts, augers, and pumps, facilitating tasks such as crop harvesting, seed distribution, and water supply. HTD pulleys contribute to the reliable and efficient operation of agricultural machinery, enhancing productivity in farming and crop management.

7. Renewable Energy:

HTD pulleys are utilized in renewable energy systems such as wind turbines and solar trackers. They enable the rotation and positioning of turbine blades or solar panels, optimizing energy capture and conversion. HTD pulleys contribute to the efficient harnessing of wind and solar power, promoting sustainable energy generation and reducing reliance on fossil fuels.

8. Fitness Equipment:

In the fitness industry, HTD pulleys are employed in exercise machines, treadmills, and weightlifting equipment. They drive the movement of resistance mechanisms, pulley systems, and adjustable components, enabling users to perform various exercises and adjust resistance levels. HTD pulleys contribute to smooth and controlled motion, enhancing the functionality and effectiveness of fitness equipment.

These are just a few examples of how HTD pulleys are used in various industries. Their versatility, reliability, and precise motion control make them a valuable component in a wide range of applications, contributing to improved efficiency and performance across different sectors.

htd pulley

What role do HTD pulleys play in automotive engines and accessory drive systems?

HTD pulleys play a significant role in automotive engines and accessory drive systems. Here’s a detailed explanation of their role and importance in these applications:

1. Belt Driven Accessories:

In automotive engines, various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor are typically driven by belts. HTD pulleys are used in the accessory drive system to transmit power from the engine crankshaft to these accessories via the belt. The pulleys provide a connection point for the belt and enable the transfer of rotational motion from the engine to drive these accessories.

2. Efficient Power Transmission:

HTD pulleys contribute to efficient power transmission in automotive accessory drive systems. The tooth profile of HTD pulleys matches the tooth profile of HTD belts, ensuring precise engagement and power transfer. The trapezoidal tooth shape of the pulleys allows for a larger contact area with the belt, minimizing slippage and maximizing energy transmission. This efficient power transmission ensures that the accessories receive the necessary power from the engine to operate optimally.

3. Accurate Synchronization:

Timing and synchronization are crucial in automotive engines and accessory drive systems. HTD pulleys help maintain accurate timing and synchronization between the engine and the driven accessories. The tooth profile of the pulleys ensures precise engagement with the belt, allowing for consistent rotation and timing of the accessories. This accurate synchronization ensures that the accessories operate in harmony with the engine, optimizing overall system performance.

4. Belt Tension and Adjustment:

HTD pulleys play a role in maintaining proper belt tension and adjustment in automotive accessory drive systems. The pulleys are designed to accommodate belt tensioners and idler pulleys, which help maintain the appropriate tension in the belts. Proper tension ensures that the belts remain securely engaged with the pulleys, preventing slippage and ensuring efficient power transmission. HTD pulleys provide the necessary support and alignment for tensioner and idler pulleys, enabling proper belt tensioning.

5. Durability and Reliability:

Automotive engines and accessory drive systems operate under demanding conditions, including high temperatures, vibrations, and varying loads. HTD pulleys are designed to be durable and reliable to withstand these conditions. They are constructed using high-quality materials such as aluminum or steel, which provide strength and resistance to wear. HTD pulleys undergo rigorous testing to ensure their durability and long service life, reducing the need for frequent maintenance or replacements.

6. System Integration and Compatibility:

HTD pulleys are designed to integrate seamlessly into automotive engines and accessory drive systems. They are available in various sizes, configurations, and mounting options to suit different engine designs and space constraints. Additionally, HTD pulleys are compatible with HTD belts, which are widely used in automotive applications. This compatibility ensures proper fitment and optimal performance when integrating HTD pulleys into automotive engines and accessory drive systems.

In summary, HTD pulleys play a crucial role in automotive engines and accessory drive systems by facilitating efficient power transmission, ensuring accurate synchronization, maintaining proper belt tension, and providing durability and reliability. These pulleys contribute to the smooth and reliable operation of the accessory drive system, allowing the engine to power various accessories effectively.

htd pulley

What types of belts are typically employed with HTD pulleys?

HTD pulleys, which stand for “High Torque Drive” pulleys, are commonly used in conjunction with specific types of belts that are designed to match their tooth profile. Here’s a detailed explanation of the types of belts typically employed with HTD pulleys:

1. HTD Belts:

HTD belts are the primary type of belt employed with HTD pulleys. HTD stands for “High Torque Drive,” which refers to the specific tooth profile of these belts. HTD belts have a trapezoidal tooth shape that matches the corresponding tooth profile of HTD pulleys. The teeth on HTD belts are designed to engage precisely with the teeth on the pulleys, ensuring efficient power transmission and accurate timing.

HTD belts are constructed using a durable and flexible material, typically neoprene or a similar synthetic rubber compound, with a fiberglass or steel reinforcement. The reinforcement enhances the strength and load-carrying capacity of the belt. HTD belts are available in various sizes and configurations to accommodate different power transmission requirements.

2. Double-Sided HTD Belts:

In certain applications where power needs to be transferred from both sides of the pulley, double-sided HTD belts are employed. These belts have teeth on both sides, allowing them to engage with the teeth on the pulley from either direction. Double-sided HTD belts provide symmetrical power transmission and are commonly used in applications such as bidirectional conveyor systems and dual-drive setups.

3. Custom Belts:

In addition to standard HTD belts, custom belts can also be employed with HTD pulleys based on specific application requirements. Custom belts may include variations in materials, reinforcements, or special features to meet unique operating conditions or performance demands. These custom belts are typically designed and manufactured by belt suppliers or specialized manufacturers based on the specific needs of the application.

It’s important to note that HTD pulleys are not compatible with other belt profiles such as GT (Gates Tooth) or timing belts with different tooth profiles. The tooth profiles of HTD pulleys and belts are specifically designed to ensure optimal engagement and power transmission efficiency.

In summary, the most common type of belt employed with HTD pulleys is the HTD belt, which has a trapezoidal tooth profile that matches the tooth profile of the pulleys. Double-sided HTD belts are used in applications requiring bidirectional power transmission. Custom belts can also be employed to meet specific application requirements. It’s essential to use the appropriate belt type that matches the tooth profile of the HTD pulleys for efficient power transmission and reliable operation.

China supplier Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley   with high quality China supplier Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley   with high quality
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