China supplier Conveyor Pulley Drum for Stone Crusher Head Driving Pulley with Best Sales

Product Description

CONVEYOR ROLLER

    Conveyor roller is an important component, types and large quantities. It accounts for the total cost of a conveyor 35%, to withstand more than 70% of the resistance, so the quality of roller is particularly important. 
Our roller has Minimal rtating inertia, reasonable structure, reliable tightness, flexible rotating, simple dismounting, easy maintained, long operational life, etc. Also we can do as customer request.

There are many kinds of roller specifications, different pipe thickness, different length, and different prices.Please consult the customer service or call for more information before the shooting.

1.Type:
Carrying, return

2.Conveyor type:
DTII DTII(A) TD75

3.Application:
Used in coal mine, power plant, cement plant, port and so on

Specification:
 

Standard Diameter Length Scope(mm) Bearings Type(Min-Max) Pipe Thickness
mm Inch
63.5 2 1/2 150-3500 6204 2.0mm-3.75mm
76 3 150-3500 6204 205 2.0mm-4.0mm
89 3 1/3 150-3500 6204 205 2.0mm-4.0mm
102 4 150-3500 6204 205 305 2.5mm-4.0mm
108 4 1/4 150-3500 6204 205 305 306 2.5mm-4.0mm
114 4 1/2 150-3500 6205 206 305 306 2.5mm-4.5mm
127 5 150-3500 6204 205 305 306 2.5mm-4.5mm
133 5 1/4 150-3500 6205 206 207 305 306 2.5mm-4.5mm
140 5 1/2 150-3500 6205 206 207 305 306 3.5mm-4.5mm
152 6 150-3500 6205 206 207 305 306 307 308 3.0mm-4.5mm
159 6 1/4 150-3500 6205 206 207 305 306 307 308 3.0mm-4.5mm
165 6 1/2 150-3500 6207 305 306 307 308 3.5mm-6.0mm
177.8 7 150-3500 6207 306 35718 309 3.5mm-6.0mm
190.7 7 1/2 150-3500 6207 306 35718 309 4.0mm-6.0mm
194 7 5/8 150-3500 6207 307 308 309 310 4.0mm-6.0mm
219 8 5/8 150-3500 6308 309 310 4.0mm-6.0mm
 

 

Material: Carbon Steel Q235
Application: Chemical Industry, Grain Transportation, Mining Transport, Power Plant, Quarry
Structure: Variable Groove Angle Roller
Bearing Type: Double Sealed Bearing
Type: Grooved Conveyor Idler
Roller Type: Tk,Dtii,Td75
Samples:
US$ 0.01/Piece
1 Piece(Min.Order)

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Customization:
Available

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variable pulley

Can variable pulleys be retrofitted into existing machinery for performance upgrades?

Yes, variable pulleys can often be retrofitted into existing machinery to provide performance upgrades. Retrofitting variable pulleys is a common practice to enhance the functionality, efficiency, and versatility of older or fixed-speed machines. Here are some key points to consider:

  • Compatibility: Before retrofitting variable pulleys, it is important to assess the compatibility of the existing machinery. Consider factors such as the design of the machine, the power transmission system, and the available space for installing the variable pulleys. Consulting with a professional or the manufacturer of the variable pulleys can help determine the feasibility of retrofitting.
  • Application suitability: Evaluate whether the addition of variable pulleys will be beneficial for the specific application of the machinery. Variable pulleys are particularly advantageous in situations where speed control, load adaptation, or precise adjustments are required. Assess the performance requirements of the machinery and determine if retrofitting variable pulleys will address any limitations or improve overall performance.
  • Engineering considerations: Retrofitting variable pulleys may involve engineering modifications to the existing machinery. This can include adjusting or redesigning the power transmission system, modifying the mounting or support structures, or integrating additional components for the pulley adjustment mechanism. It is crucial to consult with engineering experts or professionals to ensure that the retrofitting process is carried out safely and effectively.
  • Space and clearance: Check if there is sufficient space within the existing machinery to accommodate the variable pulleys. Consider the dimensions of the pulleys, the clearance required for belt movement, and any potential conflicts with other components or systems. Adequate space and clearance are essential for the proper installation and operation of the variable pulleys.
  • System integration: Retrofitting variable pulleys may require integrating additional control mechanisms or systems into the existing machinery. This can include incorporating motor controllers, sensors, or automation components to enable precise speed adjustments and automation features. Proper integration ensures seamless operation and compatibility between the retrofitted variable pulleys and the rest of the machinery.
  • Professional guidance: It is recommended to seek professional guidance or consult with experts in the field of retrofitting and machinery modifications. They can provide valuable insights, assess the technical aspects, and guide you through the process to ensure a successful retrofitting project.

Retrofitting variable pulleys into existing machinery can unlock new capabilities, improve performance, and extend the lifespan of the equipment. However, it is crucial to approach the retrofitting process with careful planning, engineering expertise, and consideration of the specific requirements and limitations of the machinery in question.

variable pulley

What is the significance of proper alignment and tensioning in variable pulley systems?

Proper alignment and tensioning play a crucial role in the performance, efficiency, and longevity of variable pulley systems. The significance of these factors can be understood as follows:

Alignment:

Proper alignment of variable pulleys ensures that the input and output shafts of the machinery are precisely positioned in relation to each other. Here are some key points highlighting the significance of alignment:

  • Efficient Power Transmission: Accurate alignment allows for optimal power transmission from the input to the output shaft. Misalignment can cause increased friction, energy loss, and reduced efficiency, leading to unnecessary wear and tear of the pulleys and belts.
  • Reduced Vibration: Proper alignment minimizes vibration in the pulley system. Vibrations can not only affect the smooth operation of machinery but also contribute to premature wear of components, increased noise levels, and decreased overall performance.
  • Prevention of Premature Wear: Misalignment can result in uneven belt wear, leading to premature belt failure. By ensuring proper alignment, the load is evenly distributed across the belt, reducing wear and extending the lifespan of both the belt and the pulleys.
  • Protection of Components: Correct alignment helps protect the pulleys, belts, bearings, and other components of the variable pulley system from excessive stress and strain. It prevents unnecessary friction, heat generation, and component fatigue, thereby reducing the likelihood of breakdowns and costly repairs.

Tensioning:

Proper tensioning of the belts or chains used with variable pulleys is equally important. Here are some reasons highlighting the significance of tensioning:

  • Optimal Grip and Power Transmission: Proper belt tension ensures that the belt maintains sufficient grip on the pulleys, facilitating efficient power transmission. Insufficient tension can cause slippage, resulting in decreased performance, loss of torque, and potential damage to the pulleys and belts.
  • Prevention of Belt Damage: Over-tensioning or under-tensioning the belt can lead to excessive stress on the belt material, causing stretching, cracking, or premature wear. By maintaining the correct tension, the belt operates within its design limits, minimizing the risk of belt failure.
  • Reduced Vibrations and Noise: Proper tensioning helps minimize belt vibrations, reducing noise levels and providing a smoother and quieter operation of the variable pulley system.
  • Extended Belt and Pulley Lifespan: Optimal tensioning reduces the wear and tear on both the belt and the pulleys. It helps maintain the integrity of the belt material and prevents excessive forces on the pulley components, contributing to longer lifespans for these critical elements.

In summary, proper alignment and tensioning are essential for the reliable and efficient operation of variable pulley systems. Accurate alignment ensures efficient power transmission, reduced vibration, and prevention of premature wear, while proper tensioning facilitates optimal grip, power transmission, and extends the lifespan of belts and pulleys. By paying attention to these factors, operators can maximize the performance and longevity of their variable pulley systems.

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 supplier Conveyor Pulley Drum for Stone Crusher Head Driving Pulley   with Best Sales China supplier Conveyor Pulley Drum for Stone Crusher Head Driving Pulley   with Best Sales
editor by CX

2023-10-03

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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