variable sheave drive

Variable Sheave Drive

  1. Variable Speed Control: The variable sheave drive allows for easy adjustment of speed control.
  2. Efficient Power Transmission: Ensures efficient power transmission from the input to the output.
  3. Smooth Operation: Provides smooth operation without any jerks or interruptions.
  4. Adjustable Torque: Allows for torque adjustment based on the requirements of the application.
  5. High Durability: Made from high-quality materials, ensuring long-lasting durability and reliability.

Types of Sheave Pulleys

  1. Fixed Bore Sheave Pulleys: These pulleys have a fixed bore size and require a specific shaft size.
  2. Taper Lock Sheave Pulleys: Designed with a taper lock bushing system for easy installation and removal.
  3. Variable Pitch Sheave Pulleys: Allow for adjustment of the pitch diameter to change speed ratios.
  4. sheave pulley

  5. V-Belt Sheave Pulleys: Specifically designed for V-belts to transmit power efficiently.
  6. Ribbed Sheave Pulleys: Feature multiple ribs for enhanced grip and power transmission.
  7. Timing Belt Sheave Pulleys: Used with timing belts for precise and synchronous power transmission.

What is a Sheave on a Pulley

  1. A sheave is a pulley with a grooved wheel designed to hold a belt, rope, or cable.
  2. It is used to change the direction of a force or transmit power between the shaft and the belt.
  3. Sheaves are commonly found in various industries for lifting, conveying, and power transmission applications.
  4. They come in different sizes and materials to suit different load and speed requirements.
  5. Sheaves are essential components in machinery that require the movement or transfer of power.

What are Sheaves Used For?

  1. Sheaves are used for lifting heavy loads in industries such as construction and mining.
  2. They are also used in conveyor systems to move materials from one place to another.
  3. Sheaves play a crucial role in power transmission systems for machinery and equipment.
  4. They are utilized in agricultural machinery for tasks like harvesting and processing crops.
  5. Sheaves are essential in marine applications for tasks such as hoisting sails and lifting anchors.
  6. They are used in automotive applications for functions like power steering and engine accessories.

Process of Sheave Pulley


The mold is created based on the design specifications of the sheave pulley.

spa pulley


The raw materials are melted and poured into the mold to form the sheave pulley shape.

Raw Materials

High-quality materials such as steel or aluminum are used to ensure strength and durability.


The sheave pulleys are manufactured using precision machinery and processes.


Each sheave pulley undergoes rigorous testing to ensure quality and performance standards are met.

Antirust Treatment

The sheave pulleys are treated to prevent corrosion and ensure longevity.

Separate Inspection

Each sheave pulley is individually inspected to guarantee quality before assembly.


Final marking is done to identify specifications and ensure proper usage.

How Do You Adjust Sheave Pulleys?

  1. Loosen the set screws on the sheave pulley.
  2. Adjust the position of the sheave on the shaft to change the belt tension.
  3. Retighten the set screws to secure the sheave in place.
  4. Use a belt tension gauge to ensure proper tension for optimal performance.
  5. Regularly check and adjust the sheave pulleys to maintain efficiency and prevent wear.
  6. Consult the manufacturer’s guidelines for specific instructions on adjusting sheave pulleys.
  7. Seek professional assistance if unsure about the adjustment process to avoid damage.

About HZPT

HZPT, established in 2006, is a leading manufacturer of precision transmission components based in Hangzhou. We specialize in producing various intricate parts and can customize products to meet your specific requirements. With a focus on precision and speed, we offer a wide range of products, including sheave pulleys, for various industries. Our company has a strong reputation in Europe and America for providing top-quality products, excellent service, and competitive pricing.

sheave Pulley