China Hot selling Variable Speed Motor Cast Iron Pulley by Sand Cast engine pulley

Product Description

Stone/Rock/Mining Crusher Spare Parts Jaw/Cone/Impact/VSI Crusher Parts
We provide crusher spare parts for many band of crushing plants. 

We provide replacement parts for many brands of crushing plants. like, manganese liners,cone crusher mantle and concave(bowl liner), hsi bars and liners, blow bars, side liners, jaw liners, jaw plates, teeth plates, VSI wear parts, etc, for jaw crusher, cone crusher, impact crusher, VSI sand maker, etc.

We can provide custom casting service, based on the drawings from the clients.
We will make wooden mould, and sand cast the parts, after a series processes, you will get high quality wear parts in high manganese matching your machines. 
1-Introduction of Jaw Crusher Parts
Jaw plate is manufactured with super high manganese steel, therefore it has a service life 50~100% longer than those made of traditional high manganese steel. Every model of PE series jaw crushers is tested for shock, stress, strain, thermal loading, deformation, vibration and noise under a wide range of load conditions. The special processing techniques ensure that our jaw plate has leading performance:
1)Using cold processing hardening technology, the hardness is improved.
2)Water toughening technology to avoid making the performance poor during the process of natural phase change.

2- Introduction of Cone Crusher Parts
which is designed to protect the Cone Crusher, thus improves the working life.We supply high qualified concave in high Cr, Mo, alloy steel for Cone Crusher.
Cone Crusher Parts 
1. Spare parts for Cone Crusher.
2. Be used in manganese steel
3. We can do as per customer’s requirements.
We manufacture an extensive range of wear and spare parts in China for the worlds most popular crushing brands, like the spare parts for the below crushers.

Crusher type Model Spare parts
Cone   crusher HP100, HP200, HP300, HP400, HP500, HP4, HP5, GP100, GP200, GP300, GP550, GP11 Bowl liner, mantle
H2800, H3800, H4800, H6800, H7800, H8800, S2800, S3800, S4800, S6800
4FT.Standard, 4-1/4FT.Short head , 5-1/2FT.Standard

Features of cone crusher wear parts :
1) Material: high manganese steel:Mn13Cr2, Mn18Cr2, etc;
2) Use: Machinery in metal recovery smash, mine, metallurgy, chemical industry, cement, petroleum etc.
3) Production quality testing: High frequency infrared carbon & sulfur analyzer, Metallographic microscope, Machinery performance testing equipment, Hardness testing equipment, Ultrasonic inspection equipment
4) Easy installation: The anti-abrasion block is a semi-permanent part, which is easy for replacement.
Chemical composition of cone crusher wear parts

Code Elem C Mn Si Cr Mo P S
ZGMn13-1 1-1.45 11-14 0.3-1 ≤0.09 ≤0.04
ZGMn13-2 0.9-1.35 11-14 0.3-1 ≤0.09 ≤0.04
ZGMn13-3 0.9-1.35 11-14 0.3-0.8 ≤0.09 ≤0.04
ZGMn13-4 0.9-1.3 11-14 0.3-0.8 1.5-2 ≤0.09 ≤0.04
ZGMn13-5 0.75-1.3 11-14 0.3-1 0.9-1.2 ≤0.09 ≤0.04

3-Introduction of Impact Crusher Parts
Blow bar Made by high wear-resisting material:high chrome cast-iron and high-manganese steel.
We manufacture an extensive range of wear and spare parts in China for the worlds most popular crushing brands.
 
Chemical composition of Impact Crusher Parts

NO. chemical composition % HRC
C Si Mn Cr Mo Na Cu P S
KmTBCr4Mo 2.5-3.5 0.5-1.0 0.5-1.0 3.5-4.5 0.3-0.5 ≤0.15 ≤0.10 ≥55
KmTBCr9Ni5Si2 2.5-3.6 1.5-2.2 0.3-0.8 8.0-10.0 0-1.0 4.5-6.5 4.5-6.5 ≥58
KmTBCr15Mo 2.8-3.5 ≤1.0 0.5-1.0 13-18 0.5-3.0 0-1.0 0-1.0 ≤0.10 ≤0.06 ≥58
KmTBCr20Mo 2.0-3.3 ≤1.2 ≤2.0 18-23 ≤3.0 ≤2.5 ≤1.2 ≥60
KmTBCr26 2.3-3.3 ≤1.2 ≤1.0 23-30 ≤3.0 ≤2.5 ≤2.0 ≥60

Crusher Wear Parts

 

After-sales Service: One Year
Warranty: One Year
Certification: ISO 9001:2008
Standard: AISI, GB, ASTM, DIN
Surface Treatment: Without Processing
Manufacturing Process: Casting
Samples:
US$ 200/Piece
1 Piece(Min.Order)

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Customization:
Available

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variable pulley

How do variable pulleys enhance the efficiency and precision of machinery and equipment?

Variable pulleys, also known as variable speed pulleys or V-belt pulleys, play a significant role in enhancing the efficiency and precision of machinery and equipment. They provide several benefits that contribute to improved performance and versatility. Here are some ways in which variable pulleys enhance efficiency and precision:

  1. Speed control: One of the primary advantages of variable pulleys is their ability to control the speed of machinery and equipment. By adjusting the position of the pulley’s movable flanges, the effective diameter of the pulley changes, altering the speed ratio between the input and output shafts. This flexibility allows operators to match the speed of the machinery to the specific requirements of the task at hand, optimizing efficiency and precision.
  2. Power transmission: Variable pulleys efficiently transmit power from the input shaft to the output shaft through the use of V-belts. V-belts provide a reliable and flexible method of transferring rotational force, allowing for smooth power transmission without slippage. This efficient power transmission minimizes energy losses and ensures that the machinery operates at its optimum power efficiency.
  3. Load adaptation: Variable pulleys enable machinery and equipment to adapt to different load conditions. By adjusting the pulley’s effective diameter, operators can vary the torque and speed output of the system to match the requirements of the load. This adaptability is particularly useful in applications where the load may vary or where precise control over speed and torque is necessary for achieving desired results.
  4. Responsive adjustments: Variable pulleys offer quick and responsive adjustments to changes in load or operating conditions. Operators can easily modify the pulley’s position or setting to accommodate variations in workload or to maintain precise speed control. This responsiveness allows for efficient operation and reduces the need for frequent manual adjustments or the use of additional mechanical components.
  5. Versatility: The use of variable pulleys enhances the versatility of machinery and equipment. By varying the speed and torque output, different types of tasks and operations can be performed using the same equipment. This versatility eliminates the need for specialized machinery for each specific application, leading to cost savings and increased operational flexibility.
  6. Noise and vibration reduction: Variable pulleys can contribute to the reduction of noise and vibration in machinery. By adjusting the speed and torque output to match the load requirements, excessive strain and stress on the system can be minimized. This reduction in strain helps to decrease noise levels and vibrations, leading to a quieter and more comfortable working environment.

variable pulley

What maintenance procedures are necessary to ensure the reliability of variable pulleys?

To ensure the reliability and longevity of variable pulleys, regular maintenance procedures should be followed. These maintenance procedures help prevent premature wear, ensure optimal performance, and extend the lifespan of the pulleys. Here are some essential maintenance procedures for variable pulleys:

1. Cleaning and Inspection:

Regular cleaning of variable pulleys is crucial to remove dirt, dust, and debris that can accumulate on the pulley surfaces. The pulleys should be inspected for any signs of wear, damage, or misalignment. If any issues are detected, appropriate actions, such as repairs or replacement, should be taken to prevent further damage.

2. Lubrication:

Proper lubrication is essential for smooth operation and reduced friction in variable pulleys. Lubricants should be applied to the pulley bearings, shafts, and other moving parts as recommended by the manufacturer. This helps minimize wear and ensures efficient power transmission.

3. Belt Tension Adjustment:

The tension of the belts or chains used with variable pulleys should be regularly checked and adjusted if necessary. Proper belt tension ensures optimal grip and power transmission efficiency. If the belts are too loose or too tight, it can lead to slippage, reduced performance, and increased wear on the pulleys and belts.

4. Alignment:

Variable pulleys should be properly aligned with the input and output shafts of the machinery. Misalignment can cause uneven belt wear, increased vibration, and reduced power transmission efficiency. Regular inspection and adjustment of the pulley alignment can prevent these issues and ensure smooth operation.

5. Belt or Chain Replacement:

Over time, belts or chains used with variable pulleys may wear out and require replacement. It is important to monitor the condition of the belts or chains and replace them when signs of wear, cracking, or stretching are observed. This helps maintain optimal power transmission and prevents unexpected failures.

6. Regular Performance Testing:

Periodic performance testing of variable pulleys is recommended to ensure they are operating as intended. This can involve measuring speed ratios, torque transmission, and overall efficiency. Performance testing helps identify any deviations from the desired specifications and allows for timely corrective actions.

7. Following Manufacturer’s Guidelines:

It is crucial to follow the maintenance guidelines provided by the pulley manufacturer. These guidelines may include specific maintenance intervals, recommended lubricants, inspection procedures, and other important instructions. Adhering to the manufacturer’s guidelines ensures that the pulleys are maintained correctly and in accordance with their design specifications.

By following these maintenance procedures, variable pulleys can remain reliable and perform optimally throughout their lifespan. Regular cleaning, inspection, lubrication, belt tension adjustment, alignment checks, belt or chain replacement when necessary, regular performance testing, and adherence to manufacturer’s guidelines contribute to the overall reliability and longevity of variable pulleys.

variable pulley

What is a variable pulley, and how does it function in mechanical systems?

A variable pulley, also known as a variable speed pulley or a variable drive pulley, is a type of pulley designed to provide variable speed ratios in mechanical systems. It consists of two or more pulley halves that can move relative to each other, allowing for adjustment of the effective diameter and thus changing the speed ratio between the input and output shafts.

The primary function of a variable pulley is to provide a means of continuously adjusting the speed of driven components in a mechanical system without the need for manual gear changes or transmission adjustments. This flexibility is particularly useful in applications where speed variations are required to accommodate different load conditions or to achieve specific operational requirements.

The operation of a variable pulley is based on the principle of changing the effective diameter that the belt or chain engages with. It typically consists of a fixed pulley half and a movable pulley half, both connected by a belt or chain. The movable pulley half is designed to slide or pivot, which changes the distance between the pulley halves, thus altering the effective diameter.

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.

Variable pulleys can be actuated by different mechanisms, such as hydraulic, pneumatic, or mechanical means. The actuation mechanism allows for precise adjustment of the movable pulley position, enabling smooth speed transitions and accurate control.

One common application of variable pulleys is in automotive vehicles, where they are used in continuously variable transmissions (CVTs). In a CVT, the variable pulleys provide seamless speed adjustments, allowing the engine to operate at its optimal speed for different driving conditions, resulting in improved fuel efficiency and performance.

In summary, a variable pulley is a pulley system that enables continuous adjustment of speed ratios in mechanical systems. By changing the effective diameter through the movement of pulley halves, it allows for variable speed control without the need for manual gear changes. Variable pulleys find applications in various industries, providing flexibility, efficiency, and precise speed control in mechanical systems.

China Hot selling Variable Speed Motor Cast Iron Pulley by Sand Cast   engine pulleyChina Hot selling Variable Speed Motor Cast Iron Pulley by Sand Cast   engine pulley
editor by CX

2023-10-06

variable pulley

As one of leading variable pulley manufacturers, suppliers and exporters of products, We offer variable pulley and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of variable pulley

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