HTD Pulley for vacuum cleaners

HTD Pulley for Vacuum Cleaners

HTD Pulley for Vacuum Cleaners

Understanding HTD Pulleys

HTD pulleys, or High Torque Drive pulleys, are integral components in many mechanical systems, including vacuum cleaners. They offer enhanced power transmission efficiency and robustness, making them essential for devices that require precise and reliable performance.

What is an HTD Pulley?


HTD pulleys are designed with a specific tooth profile that ensures maximum power transmission and low slippage. The curved teeth interlock seamlessly with HTD belts, providing a secure and stable connection.


These pulleys are often made from durable materials such as aluminum, steel, or reinforced plastics, which contribute to their longevity and resistance to wear and tear.


HTD pulleys are utilized in various applications, including robotics, automotive systems, and household appliances like vacuum cleaners. Their ability to handle high torque loads makes them ideal for demanding tasks.

HTD pulley

What is the Minimum Pulley Size for HTD 5M?

Defined Sizes

The minimum pulley size for HTD 5M belts is typically 12 teeth, which equates to a minimum pitch diameter of approximately 19.10mm. This size ensures adequate belt engagement and load distribution.

Load Considerations

Choosing the smallest possible pulley must account for the load requirements. Smaller pulleys may be more compact but might not handle the same load as larger ones.

HTD pulley

What is the Difference Between GT and HTD Belts?

GT (Gates Tooth) and HTD belts differ mainly in their tooth profiles. GT belts have a modified curvilinear tooth profile that provides higher torque capacity and efficiency than HTD belts. However, HTD belts are more prevalent and versatile for general applications.

Tooth Profile

GT belts have a rounder tooth profile, reducing friction and increasing power transmission efficiency, while HTD belts feature a deeper, more pronounced tooth profile.


HTD belts are widely used in various machinery due to their robustness, whereas GT belts are preferred in high-precision applications requiring superior performance.

How to Select or Customize the Right HTD Pulley

Load Requirements

Understanding the load requirements of your application is critical. Ensure that the pulley can handle the torque and power demands efficiently.

Material Selection

Choose materials that match the environmental and operational conditions. Aluminum is lightweight and corrosion-resistant, while steel offers higher strength.

Pulley Size

Select an appropriate pulley size to ensure adequate belt engagement. The size impacts the system’s load-handling capability and space constraints.

Tooth Profile

Ensure that the tooth profile of the pulley matches the belt. This compatibility is essential for efficient power transmission and reduced wear.

HTD pulley

Precision and Tolerance

Consider the precision and tolerance levels required for your application. High-precision pulleys are crucial for applications demanding meticulous performance.

HTD Pulleys from HZPT

HZPT specializes in the design, development, and manufacturing of high-performance parts, including HTD pulleys. Our products are popular in European, South American, and Australian markets and have earned the trust of numerous customers. We prioritize product quality and showcase a “customer-first service” policy. With a young, vibrant, and capable team, we believe we can provide professional services to meet any requirements. Fast delivery is one of our competitive advantages.

Extensive Market Reach

Our products are widely accepted in various international markets, underscoring their reliability and superior performance.

Quality Assurance

We prioritize product quality, ensuring that each pulley meets stringent standards and performs optimally in diverse applications.

Customer-Centric Approach

Our “customer-first service” policy ensures that we address customer needs promptly and efficiently, fostering strong relationships.

Innovative Solutions

We continuously innovate, developing new products to meet evolving market demands. Our OEM services cater to specific customer requirements.

Fast Delivery

We pride ourselves on our ability to deliver products promptly, ensuring that our customers’ operations experience minimal downtime.

We are committed to enhancing our services and providing the highest quality products at competitive prices. Any inquiries or feedback are highly appreciated, and we invite you to contact us at any time.