HTD Pulley for factory automation

HTD Pulley for Factory Automation

HTD Pulley for Factory Automation

Understanding HTD Pulleys

HTD (High Torque Drive) pulleys are essential components in factory automation due to their ability to handle high torque loads efficiently. These pulleys are designed to work with HTD belts, which have a specific tooth profile that prevents slippage and ensures precise motion control.

What is an HTD Pulley?

HTD pulleys are a type of synchronous pulley that is used in conjunction with HTD belts. These pulleys have a unique tooth design which matches the teeth on the HTD belts.

HTD pulley

High Torque Capability

HTD pulleys are engineered to handle high torque loads, making them ideal for heavy-duty industrial applications. The tooth profile ensures maximum grip, reducing the risk of belt slippage.

Precision and Accuracy

The synchronous design of HTD pulleys provides precise motion control. This is crucial in applications where accuracy is paramount, such as robotics and CNC machinery.


Manufactured from high-quality materials, HTD pulleys are designed to withstand harsh industrial environments. Their robust construction ensures long-term reliability and performance.

Low Maintenance

HTD pulleys require minimal maintenance due to their durable design and efficient operation. This reduces downtime and increases productivity in factory settings.

What is the Minimum Pulley Size for HTD 5M?

The minimum pulley size for HTD 5M belts is a critical factor to consider in design and application.

HTD pulley

Tooth Pitch

The tooth pitch of HTD 5M belts is 5mm. The pulley size must accommodate this pitch to ensure proper meshing and operation of the belt and pulley system.

Minimum Number of Teeth

Typically, the minimum number of teeth for HTD 5M pulleys is 12. This ensures the belt wraps sufficiently around the pulley to prevent slippage and maintain torque transmission.

Diameter Considerations

The diameter of the pulley is directly related to the number of teeth and the tooth pitch. For HTD 5M, a pulley with 12 teeth would have a pitch diameter of approximately 19.1mm, ensuring compatibility with the belt.

What is the Difference Between GT and HTD Belts?

GT (Gates Tooth) and HTD belts have distinct differences that can affect their application in industrial settings.

Tooth Profile

GT belts have a modified trapezoidal tooth profile, while HTD belts have a curvilinear tooth profile. This difference in design can impact the flexibility and strength of the belts.

Load Capacity

GT belts generally have a higher load capacity compared to HTD belts, making them suitable for more demanding applications that require higher torque transmission.

Noise Levels

HTD belts tend to operate more quietly compared to GT belts due to their tooth profile and the way they engage with the pulley.


While both belts are used in synchronous drive systems, the choice between GT and HTD belts depends on the specific requirements of the application, such as load, noise, and precision.

How to Choose or Customize the Right HTD Pulley

Choosing the right HTD pulley involves considering several critical factors to ensure it meets the application requirements.

HTD pulley

Load Requirements

Determine the torque and load requirements of your application. This will help in selecting a pulley with the appropriate size and tooth profile to handle the load efficiently.

Speed Ratio

Calculate the required speed ratio between the driving and driven pulleys. This will influence the number of teeth and the diameter of the pulleys.

Environmental Conditions

Consider the operational environment, including temperature, humidity, and exposure to chemicals. This will guide the material selection for the pulleys to ensure durability and reliability.

Compatibility with Belts

Ensure that the pulleys are compatible with the HTD belts in terms of tooth profile, pitch, and width. This compatibility is crucial for the smooth operation of the drive system.

Customization Options

If standard pulleys do not meet your requirements, consider customizing the pulleys. This can include changes to the tooth profile, material, and size to suit specific application needs.

Why Choose HZPT for Your HTD Pulley Needs?

HZPT specializes in designing, developing, and manufacturing high-performance HTD pulleys and aftermarket automotive parts. Our products are popular in Europe, South America, and Australia, earning the trust of numerous customers.

Product Quality

We prioritize the quality of our products, ensuring they meet the highest standards. This commitment to quality helps us deliver reliable and durable HTD pulleys for various industrial applications.

Customer-Centric Service

Our “customer-first” policy means we are dedicated to providing exceptional service. We strive to meet all customer requirements and ensure their satisfaction with our products and services.

Experienced Team

Our team is young, vibrant, and highly capable. This dynamic team allows us to offer professional services tailored to meet diverse customer needs efficiently.

Fast Delivery

One of our key advantages is quick delivery. We maintain a well-stocked warehouse to ensure timely distribution of goods, helping our customers avoid delays in their operations.

OEM and Customization

In China, we have a specialized factory for developing new products and offering OEM services. This enables us to provide customized solutions that meet specific customer requirements and applications.

Competitive Pricing

We continuously strive to improve our services and offer the best quality products at competitive prices. This approach ensures our customers receive excellent value for their investment.

For any inquiries or feedback, please feel free to contact us. We are eager to collaborate with you and meet your HTD pulley needs with our superior products and services.