China best OEM Aluminum Variable Speed V Groove Agricultural Casting Parts V Belt Pulley with Hot selling

Product Description

    OEM Aluminum Variable Speed V Groove Agricultural Casting Parts V Belt Pulley


Product Description

 V belt pulley specification: 


1) European standards :    

a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC; up to 10 grooves   

b) Adjustable speed V-belt pulleys and variable speed pulley  

c) Flat belt pulleys and conveyor belt pulleys   


2) American standards:   

a) Sheaves for taper bushing: 3V, 5V, 8V    

b) Sheaves for QD bushings: 3V, 5V, 8V   

c) Sheaves for split taper bushing: 3V, 5V, 8V   

d) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH,2BK, 2BKH, 3BK   

e) Adjustable sheave: poly V-pulley, multi-pitch H, L, J, K and M  


3) Bore: pilot bore, finish bore, taper bore, bore for QD bushing  

1. Material:
Cast ductile iron: QT400-18, QT450-12, QT500-7, QT600-3, QT700-2
Grey iron: HT150, HT200, HT250, HT300
Other Materials: Steel, Stainless Steel, Bronze, Brass and Aluminum;
2. Process:
Sand casting, Investment casting, permanent mould casting and die casting;
3. Application:
Mining machinery, Crane;
4. OEM design/service:
Our company can supply various pulleys (OEM) according to the customers’ drawings and requirements. Please offer us your enquiry
with detailed drawings, specifications, unit weight, quality requirements and pictures. We will supply you not only the products
with good quality but also competitive price.
5.Machining Shop
With our powerful precision CNC machining equipments such as lathes, milling machines and drilling press, we can easily operate Turning, Drilling and Milling. Furthermore, we are able to run other operations like cutting, grinding, bending, shaping, plHangZhou and sawing.


Mainly used in the mining, metallurgical, cement, chemicals,construction, buiding materials,

electric power, telecommunictions, textiles, and transportation departments.

Such as:

1. conveyor:Belt conveyor,AFC conveyor, chain conveyor, screw conveyor.

2. Pum:Water pump, oil pump, slush pump, etc.

3. Fan: Draft fan, fanner, boil fan, etc.

4. Excator:bucket excavator bucket, wheel excavators .

5. Crane:Tower crane, gantry crande, bridge crane.

6. Others:Various elevators, coal plough, ball mill, crusher, recreation machine.

7. Blender equipment, centrifuger, washer, leather-making machine, machine for recreation park mixer wire drawing machine.Extruder, dregs crusher of boiler.

8. Plastic feeder, rubber smelling machine, etc.



General Products Application/Service Area

Metal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system. E.g.
Engine bracket, truck chassis bracket, gear box , gear housing , gear cover, shaft, spline shaft , pulley, flange, connection
pipe, pipe, hydraulic valve , valve housing ,Fitting , flange, wheel, flywheel, oil pump housing, starter housing, coolant pump
housing, transmission shaft , transmission gear, sprocket, chains etc.

Applicable Material

iron or stainless steel or aluminum etc., or as customer request.

Casting Blank Weight

Range from 0.01kg-1000kg

Applicable Machining Process

CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/ Broaching/ Reaming /Grinding/Honing and etc.

Machining Tolerance

From 0.005mm-0.01mm-0.1mm

Machined Surface Quality

Ra 0.8-Ra3.2, according to customer requirement

Applicable Heat Treatment

Normalization , annealing, quenching and tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching.

Applicable Finish Surface Treatment

Shot/sand blast, polishing, Surface passivation, Primer Painting , Powder coating, ED- Coating, Chromate Plating, zinc-plate,
Dacromat coating, Finish Painting etc.

MOQ per batch

For Pulley: 1pc available for sample test

Lead Time

about 50 days of Pulley


       1. Q: Why choose CHINAMFG product?
       A: We CHINAMFG have our own plant– HangZhou CHINAMFG machinery Co.,Ltd, therefore,
       we can surely promise the quality of every product and provide you comparable price.
       2. Q: Do you provide OEM Service?
       A: Yes, we provide OEM Service.
       3.  Q: Do you provide customized investment casting parts?
       A: Yes. Customers give us drawings and specifications, and we will manufacture
      4. Q: What is your payment term?
      A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc..

      If there’s anything I can help, please feel free to contact with me. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Certification: CE, ISO, ISO9001:2015
Pulley Sizes: Type A
Manufacturing Process: Casting
US$ 4/Piece
1 Piece(Min.Order)


Order Sample

as custom required


Customized Request

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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

variable pulley

How do variable pulleys contribute to energy efficiency in industrial processes?

Variable pulleys play a significant role in enhancing energy efficiency in industrial processes. By providing precise control over speed and load adaptation, variable pulleys offer several benefits that contribute to reducing energy consumption and optimizing overall efficiency. Here are some ways in which variable pulleys contribute to energy efficiency:

  1. Optimized power transmission: Variable pulleys efficiently transmit power from the input shaft to the output shaft, minimizing energy losses. By adjusting the position of the pulley’s movable flanges, the effective diameter of the pulley changes, allowing for optimal power transmission based on the load requirements. This efficient power transmission reduces energy waste and ensures that the machinery operates at its optimum power efficiency.
  2. Speed control: One of the primary advantages of variable pulleys is their ability to control the speed of machinery. By adjusting the pulley’s effective diameter and changing the speed ratio between the input and output shafts, operators can match the speed of the machinery to the specific requirements of the process. This prevents over-speeding or under-speeding of the equipment, resulting in energy savings by avoiding unnecessary power consumption.
  3. Load adaptation: Variable pulleys allow machinery to adapt to varying load conditions. By adjusting the pulley’s setting, operators can vary the torque and speed output of the system to match the requirements of the load. This load adaptation ensures that the machinery operates at the most efficient operating point, minimizing energy waste and improving overall energy efficiency.
  4. Efficient process control: Variable pulleys enable precise adjustments in speed and torque, providing better control over industrial processes. This control allows operators to optimize the process parameters based on energy efficiency considerations. For example, in applications where a slower speed can achieve the desired outcome, operators can adjust the pulley settings accordingly, reducing energy consumption while maintaining process effectiveness.
  5. Reduced mechanical losses: Variable pulleys help minimize mechanical losses in industrial processes. By avoiding fixed-speed operation and using variable speed control, the machinery can avoid unnecessary friction and wear associated with running at higher speeds than required. This reduction in mechanical losses contributes to energy efficiency and can extend the lifespan of the equipment.
  6. Energy recovery: In certain industrial processes, variable pulleys can enable energy recovery systems. For example, in applications where the machinery produces excess energy during certain phases, variable pulleys can be adjusted to recover and utilize that energy elsewhere in the process. By capturing and reusing this energy, overall energy consumption can be reduced, leading to improved energy efficiency.

The precise control and load adaptation capabilities of variable pulleys make them valuable tools in optimizing energy efficiency in industrial processes. By reducing energy waste, enhancing process control, and minimizing mechanical losses, variable pulleys contribute to significant energy savings and promote sustainable industrial operations.

variable pulley

Can variable pulleys be used in both industrial and DIY applications?

Yes, variable pulleys can be utilized in both industrial and DIY (Do-It-Yourself) applications. The versatility and adjustability of variable pulleys make them suitable for a wide range of uses, from large-scale industrial machinery to smaller DIY projects. Here’s a closer look at how variable pulleys are applicable in both contexts:

Industrial Applications:

In industrial settings, variable pulleys are commonly employed in various types of machinery and equipment for speed control and power transmission. Some notable industrial applications of variable pulleys include:

  • Conveyor Systems: Variable pulleys are used in conveyor systems to adjust the speed of the conveyor belts, allowing for efficient material handling and sorting processes.
  • HVAC Systems: Variable pulleys can be found in heating, ventilation, and air conditioning (HVAC) systems to regulate fan speeds and control airflow, optimizing energy efficiency and comfort.
  • Machine Tools: Variable pulleys are utilized in machine tools such as lathes, milling machines, and drill presses, enabling operators to adjust the rotational speed for different machining operations.
  • Automotive Industry: Variable pulleys are employed in automotive applications, such as continuously variable transmissions (CVT), where they allow for seamless speed adjustments and improved fuel efficiency.
  • Industrial Mixers and Agitators: Variable pulleys are used in mixers and agitators to control the rotational speed of blades or paddles, ensuring proper mixing and blending of materials.

DIY Applications:

In DIY applications, variable pulleys can be utilized by hobbyists, enthusiasts, and individuals working on personal projects. Some common DIY applications of variable pulleys include:

  • Power Tools: DIY enthusiasts often incorporate variable pulleys into homemade power tools, such as belt sanders, drill presses, and grinders, to achieve adjustable speed control.
  • Garden and Yard Equipment: Variable pulleys can be used in DIY projects involving garden and yard equipment, such as lawnmowers or leaf blowers, to adjust the speed of the cutting blades or the airflow.
  • Small Machinery: Variable pulleys can be applied in DIY projects involving small machinery, such as mini lathes or mini milling machines, allowing users to customize the rotational speed for specific tasks.
  • Experimental Setups: Variable pulleys can be incorporated into DIY experimental setups or scientific projects where adjustable speed control is required, such as in physics experiments or mechanical demonstrations.

The adaptability of variable pulleys makes them suitable for a wide range of applications, both in industrial and DIY contexts. Whether it’s for large-scale industrial machinery or small-scale personal projects, variable pulleys provide a flexible and efficient means of achieving adjustable speed control and power transmission.

variable pulley

How does a variable pulley assist in changing the speed and power transmission?

A variable pulley, also known as a variable speed pulley or a variable drive pulley, plays a crucial role in changing the speed and power transmission in mechanical systems. Let’s explore how it accomplishes these functions:

1. Speed Adjustment:

A variable pulley allows for continuous speed adjustment by changing the effective diameter of the pulley system. When the movable pulley half is positioned closer to the fixed pulley half, the effective diameter increases. This results in a larger belt or chain contact area and a higher speed ratio between the input and output shafts. Conversely, when the movable pulley half is positioned farther away, the effective diameter decreases, leading to a smaller contact area and a lower speed ratio. By adjusting the position of the movable pulley half, the speed of the driven components can be precisely controlled without the need for manual gear changes or transmission adjustments.

2. Power Transmission:

A variable pulley transfers power from the input shaft to the output shaft through the belt or chain. By changing the speed ratio, the variable pulley adjusts the rotational speed of the output shaft relative to the input shaft. This allows for optimization of power transmission in mechanical systems. For example, in applications where high torque is required, the variable pulley can be adjusted to provide a lower speed ratio, resulting in increased torque at the output shaft. Conversely, when higher speeds are desired, the variable pulley can be adjusted to provide a higher speed ratio, sacrificing some torque in favor of increased rotational speed.

3. Smooth Transitions:

One of the advantages of a variable pulley is its ability to provide smooth transitions between different speed ratios. The actuation mechanism associated with the variable pulley allows for precise and controlled movement of the movable pulley half. This enables gradual adjustments in the effective diameter, ensuring seamless speed changes without sudden jolts or disturbances in power transmission.

4. Flexibility and Adaptability:

Variable pulleys offer flexibility and adaptability in mechanical systems. They can accommodate different load conditions, operational requirements, and variations in input power. By adjusting the position of the movable pulley half, the speed and power transmission characteristics can be tailored to suit specific needs, resulting in efficient and optimized performance.

Overall, a variable pulley assists in changing the speed and power transmission by providing continuous speed adjustment, optimizing power transfer, enabling smooth transitions, and offering flexibility in mechanical systems. Its ability to precisely control speed ratios without the need for manual gear changes makes it a valuable component in various applications, ranging from automotive systems and manufacturing machinery to exercise equipment and power transmission systems.

China best OEM Aluminum Variable Speed V Groove Agricultural Casting Parts V Belt Pulley   with Hot selling	China best OEM Aluminum Variable Speed V Groove Agricultural Casting Parts V Belt Pulley   with Hot selling
editor by CX


variable pulley

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