Standard Materials
Outside Diameter
Pulley types available
HTD
Reduced Backlash
Ranges

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Contact us to get the full HPC Catalog by Post
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We can manufacture a non standard part per drawing
Pulleys and belts are key components in power transmission systems, helping to transfer rotational power efficiently across various mechanical systems. They work together to transfer motion from one rotating shaft to another, commonly found in machines ranging from industrial equipment to household appliances. By understanding the different types of pulleys and belts, as well as the materials and features available, you can make informed choices for optimal performance in your applications.
Standard Materials for Pulleys & Belts
The materials used in pulleys and belts are crucial in determining their durability, strength, and resistance to wear. Common materials for pulleys include:
- Steel: Known for its strength and ability to withstand heavy-duty applications, steel pulleys are ideal for high-load systems.
- Aluminium: Lighter than steel, aluminium pulleys are often used in systems where weight reduction is a priority while still maintaining strength and durability.
Types of Pulleys Available
There are various types of pulleys, each designed to handle different belt types and applications:
1. Synchroflex Pulleys
Synchroflex pulleys are designed for synchronous drive systems, where the belt teeth mesh with the pulley teeth for precise and reliable power transmission. The available sizes include:
- 2.5mm, 5mm, 10mm, 20mm (metric)
- 0.08″, 0.2″, 3/8″, 1/2″ (imperial) These pulleys are suitable for applications requiring high precision and minimal slip.
2. HTD Pulleys (High Torque Drive)
HTD pulleys are used in systems that require high torque transmission and low backlash. These pulleys are compatible with HTD belts and are available in the following sizes:
- 3mm, 5mm, 8mm, and 14mm (metric)
HTD pulleys are typically used in industrial machinery, automotive systems, and robotics where high torque is required.
3. Reduced Backlash Pulleys
These pulleys are specifically designed to reduce backlash, which is the small amount of play that can occur between the belt and the pulley teeth. This feature is particularly beneficial for precision applications, and the available sizes include:
- 5mm, 10mm, and 20mm (metric)
4. V-Pulleys
V-pulleys are commonly used with V-belts and are ideal for applications requiring high-tension or variable speed drives. The sizes for V-pulleys include:
- 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm (metric)
5. Round Belt Pulleys
Round belt pulleys are used with round belts and are typically found in lighter-duty applications. These pulleys are ideal for conveying systems and small mechanical drives.
Belt Types for Pulley Systems
The efficiency of pulley systems heavily depends on the type of belt used in conjunction with the pulley. There are several common belt types, including:
- Synchroflex Belts: These belts match with the corresponding Synchroflex pulleys for synchronous drives.
- HTD Belts: Designed for high torque transmission, HTD belts pair with HTD pulleys for efficient power transfer.
- V-Belts: Used with V-pulleys, these belts are common in industrial settings.
- Round Belts: Typically used in smaller systems where high precision is not as critical.
Custom Manufacturing
For applications requiring unique specifications, we can manufacture non-standard pulleys and belts based on your drawing or a Technical Request Form. This allows us to meet your exact needs, whether for a one-off design or for large-scale production.
Size Options
Pulleys and belts are available in both Metric and Imperial sizes, ensuring compatibility with a wide range of systems worldwide. Additionally, pulleys can be made with or without a boss and can be pilot bored to your specifications, making installation easier and more efficient.
Mounting and Tensioning
Proper mounting and tensioning of pulleys and belts are critical for ensuring optimal performance. The roller must be mounted on the same side as the tension mounting bracket to ensure proper tensioning and prevent excessive wear on the belt and pulleys.
Conclusion
Pulleys and belts are essential components in many mechanical systems, offering efficient and reliable power transmission. With a wide range of pulleys available—including Synchroflex, HTD, V-Pulleys, and Round Belt Pulleys—you can choose the ideal solution for your application. Materials like Steel and Aluminium ensure that the pulleys are durable and capable of handling various load requirements. Whether you need metric or imperial sizes, or require customized solutions, pulleys and belts can be tailored to meet your needs, ensuring optimal system performance. Contact us today to get the full HPC Catalog and find the perfect pulleys and belts for your mechanical systems.