China Good quality Htd Synchronizing Pulley 5m 8m Timing Pulley Aluminum or Steel pulley block

Product Description

Product Description

We are a leading manufacturer and exporter for Timing Pulleys & Timing Pulley Bars in China and over 20 years export experience in the field of power transmission parts.


Timing Belt pulley are 1 of the most important part of Power Transmission drives.They exhibit important properties such as fixed speed ratio, no re-10sioning after installation, low maintenance with wide variety of power transmission capacities and drive speeds. There are 2 main types of timing belt pulleys, they are to suit the classical timing belt and the metric HTD timing belts.  


Classical timing belt pulleys are imperial in their measurements, have a square profile and use the designations XL, L, H, XH & XXH, while the metric HTD pulleys have rounded profiled teeth and their designations are 3M, 5M, 8M and 14M.


1. Pilot bore: MXL, XL, L, H; T2.5, T5, T10; AT5, AT10; HTD 3M, 5M, 8M, 14M.
2. Taper bore: XL, L, H, XH; HTD 5M, 8M,14M.
3. Material: Aluminium,Cast Iron,Stainless teel.
4. Surface Treatment: Black, Phosphate, Zinc Plating, Hard anodized, Nitriding, Dichromate.
5. Teeth Number is from 9 to 216.
6. Equipment: Hobbing machine,Drilling machine,CNC machine,Milling machine,Gear shaper,Grinder etc.
7. Tolerance: As per customer’s requirement.
8. OEM and ODM orders are welcomed.

Timing Pulley/Pulley Bar Teeth Profile
ISO5294 Pilot Bore Timing Pulleys MXL, XL, L, H
ISO5294 Taper Bore Timing Pulleys L, H, XH
DIN7721 Pilot Bore Timing Pulleys T2.5, T5, T10
Pilot Bore Timing Pulleys AT5, AT10
HTD Pilot Bore Timing Pulleys 3M, 5M, 8M, 14M
HTD Taper Bore Timing Pulleys 5M, 8M, 14M
HTD Timing Pulley Bars 3M, 5M, 8M
ISO5294 Timing Pulley Bars MXL, XL, L
DIN7721 Timing Pulley Bars T2.5, T5, T10, AT5, AT10
STPD/STS Timing Pulleys S2M, S3M, S5M, S8M, S14M
RPP/HPPD Timing Pulleys RPP2M, RPP3M, RPP5M, RPP8M, RPP14M
Poly Chain PCGT Timing Pulleys PCGT8M, PCGT14M
Other types of Timing Pulleys 3MR, 5MR etc.


Detailed Photos

Product Parameters

Packaging & Shipping

Package Standard suitable package / Pallet or container.
Polybag inside export carton outside, blister and Tape and reel package available.
If customers have specific requirements for the packaging, we will gladly accommodate.
Shipping 10-20working days ofter payment receipt comfirmed (based on actual quantity).
Packing standard export packing or according to customers demand.
Professional goods shipping forward.


Company Profile


Q: Are you manufacturer or trading company?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

Certification: CE, ISO
Material: Steel, Aluminum, Cast Iron
Surface Treatment: Zinc Plated, Nickel Plated, Black Oxide
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
Tooth Number: 10 – 216
Bore Type: Pilot Bore, Taper Bore
US$ 0/Piece
1 Piece(Min.Order)

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Customized Request

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

How are HTD pulleys utilized in robotics and automation applications?

HTD pulleys play a significant role in robotics and automation applications. They are utilized in various ways to enable precise motion control, power transmission, and synchronization within these systems. Here’s a detailed explanation of how HTD pulleys are utilized in robotics and automation:

1. Robot Arm Actuation:

In robotics, HTD pulleys are commonly used for actuating robot arms. They are integrated into the joint mechanisms of the robot arm to transmit rotational motion from the motor to the arm segments. HTD pulleys are mounted on the motor shaft and connected to the joint shafts using HTD belts. This arrangement allows for accurate and synchronized movement of the robot arm, enabling precise positioning and control for various tasks in automation applications.

2. Conveyor Systems:

Conveyor systems are widely used in automation applications for material handling and assembly processes. HTD pulleys are utilized in these systems as drive pulleys to provide the driving force for the conveyor belts. The pulleys are mounted on the drive shaft and engage with the teeth on the HTD belts, causing the belts to move. HTD pulleys ensure efficient power transmission, synchronization, and accurate tracking of the conveyor belts, enabling the smooth and reliable transportation of materials or products in automated production lines.

3. Linear Motion Systems:

HTD pulleys are employed in linear motion systems within robotics and automation. They are used in conjunction with HTD belts and linear guides to convert rotary motion into linear motion. The pulleys are mounted on the motor shaft, and the HTD belt is routed around the pulley and connected to a carriage or load. As the pulley rotates, it drives the belt, causing the carriage to move along the linear guide. This enables precise and controlled linear motion in applications such as pick-and-place operations, CNC machines, and 3D printers.

4. Robotic Grippers and End Effectors:

HTD pulleys are integrated into robotic grippers and end effectors for efficient and precise gripping and manipulation tasks. In such applications, pulleys are often used in combination with cables or belts to transmit motion to the gripper fingers or end effector components. By incorporating HTD pulleys, the gripping or manipulation actions can be synchronized and accurately controlled, allowing robots to handle objects with precision and reliability in automation applications.

5. Robotic Positioning and Path Planning:

HTD pulleys are utilized in robotic positioning and path planning systems. By integrating pulleys into the robot’s joints or drive mechanisms, precise motion control and synchronization can be achieved. This enables robots to follow predefined paths accurately, perform complex trajectories, and achieve precise positioning and orientation. HTD pulleys contribute to the overall accuracy and repeatability of robotic movements, ensuring reliable performance in automation applications.

6. Collaborative Robots (Cobots):

In the realm of collaborative robots (cobots), HTD pulleys are commonly used to facilitate safe and precise human-robot interaction. Cobots are designed to work alongside humans, and HTD pulleys contribute to their safe operation. By incorporating pulleys into the cobot’s joint mechanisms, power transmission can be achieved with reduced backlash and improved control. This allows for smooth and precise movements, enhancing the safety and collaboration between humans and robots in various automation scenarios.

In summary, HTD pulleys find extensive utilization in robotics and automation applications. They enable precise motion control, power transmission, and synchronization in robot arm actuation, conveyor systems, linear motion systems, robotic grippers and end effectors, robotic positioning and path planning, and collaborative robot applications. By incorporating HTD pulleys into these systems, robots and automated machinery can perform tasks with accuracy, efficiency, and reliability, contributing to increased productivity and improved automation processes.

htd pulley

How do HTD pulleys contribute to efficient power transmission?

HTD pulleys, which stand for “High Torque Drive” pulleys, play a significant role in ensuring efficient power transmission in various mechanical systems. Here’s a detailed explanation of how HTD pulleys contribute to efficient power transmission:

1. Tooth Profile and Tooth Engagement:

HTD pulleys have a specific tooth profile that matches the shape of HTD belts. The trapezoidal tooth profile allows for a larger contact area between the pulley and the belt compared to other pulley types. This increased contact area improves the power transfer efficiency by reducing the concentration of forces on individual teeth. The efficient tooth engagement minimizes slippage and ensures a reliable transfer of power from the pulley to the belt.

2. Precise Timing and Synchronization:

HTD pulleys and belts are designed to provide accurate timing and synchronization between the driving and driven components. The teeth of the pulley and belt interlock precisely, ensuring that the rotational motion is transferred with minimal timing errors. This precise timing is crucial in applications where multiple components need to work together, such as in robotics, automation, and CNC machines. By maintaining accurate timing and synchronization, HTD pulleys contribute to efficient power transmission without the loss of energy due to timing inconsistencies.

3. Reduced Backlash:

Backlash refers to the slight movement or play that can occur between the teeth of a pulley and the corresponding belt. HTD pulleys are designed to minimize backlash, which helps in maintaining accurate motion control. By reducing backlash, HTD pulleys prevent energy loss and ensure precise power transmission. This is particularly important in applications where precise positioning or synchronization is required, such as in CNC machines or robotic systems.

4. Load Distribution:

HTD pulleys distribute the transmitted load evenly across the teeth of the pulley and belt. The trapezoidal tooth profile and the design of HTD belts allow for a larger contact area between the teeth, resulting in better load distribution. This even load distribution helps prevent tooth wear, reduces the risk of tooth damage, and improves the overall efficiency of power transmission. It ensures that the power is evenly distributed across the pulley, minimizing any concentration of stress or load on individual teeth.

5. Material and Construction:

HTD pulleys are available in various materials, including aluminum, steel, or plastic. The material choice depends on factors such as the application requirements and environmental conditions. The selection of appropriate materials contributes to efficient power transmission by ensuring the pulleys’ durability, strength, and resistance to wear and fatigue. The use of high-quality materials also reduces friction and heat generation, further enhancing the efficiency of power transmission.

6. Belt Retention and Stability:

HTD pulleys often feature flanges on either side of the toothed section. These flanges help keep the HTD belt properly aligned and prevent it from slipping off the pulley during operation. The flanges provide lateral guidance and improve the overall stability of the belt. By ensuring secure belt retention, HTD pulleys minimize the risk of power loss due to belt misalignment or disengagement, contributing to efficient power transmission.

In summary, HTD pulleys contribute to efficient power transmission through their specific tooth profile, precise timing and synchronization, reduced backlash, even load distribution, choice of quality materials, and belt retention features. These design elements and characteristics minimize energy losses, improve power transfer efficiency, enhance system performance, and ensure reliable operation in various mechanical systems and applications.

China Good quality Htd Synchronizing Pulley 5m 8m Timing Pulley Aluminum or Steel   pulley block	China Good quality Htd Synchronizing Pulley 5m 8m Timing Pulley Aluminum or Steel   pulley block
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