Tag Archives: tail pulley

China manufacturer Conveyor Driving Pulley Tail Pulley with Rubber Coating belt pulley

Product Description

Conveyor roller Steel roller for Belt conveyor

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.

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

4.Details:
Pipe Material : Q235 carbon steel
Pipe  Diameter : 60-219mm
Pipe Length:  150mm ~ 3500 mm
 

Shaft Material : A3 / 45# steel 

Shaft Diameter:  20 25 mm

Shaft end type:DTII TD75 flat

Bearing:6204,6205,6305,6306,6307
Bearing brand: ZWZ HRB SKF NSK

Welding:Automatic double end weld bearing housing

Surface:Electric static spraying painting

Color:Any color as reuqest

5.Specification:
 

Standard Diameter Length Scope(mm) Bearings Type(Min-Max) Shell Wall 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
 

6.Workshop:

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Material: Steel
Application: Chemical Industry, Grain Transportation, Mining Transport, Power Plant, Quarry
Structure: Spring Plate Type Roller
Bearing Type: Double Sealed Bearing
Type: Grooved Conveyor Idler
Pipe Diameter: 133mm
Samples:
US$ 0.01/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

spring pulley

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

Maintaining the reliability of spring pulleys is essential for the proper functioning and longevity of HVAC systems and air conditioning units. Here are some maintenance procedures that are necessary to ensure the reliability of spring pulleys:

  1. Regular Inspection: Conduct regular visual inspections of the spring pulleys to check for any signs of wear, damage, or misalignment. Look for cracks, corrosion, or excessive vibrations. Inspect the pulley alignment and ensure that it is properly seated on the shaft.
  2. Lubrication: Lubricate the spring pulleys as per the manufacturer’s recommendations. Proper lubrication helps reduce friction, wear, and noise. Use a high-quality lubricant suitable for the specific application and follow the recommended lubrication intervals.
  3. Tension Adjustment: Periodically check and adjust the tension in the spring pulleys. The proper tension ensures optimal power transmission and prevents belt slippage. Refer to the system’s specifications or consult the manufacturer’s guidelines for the recommended tension levels.
  4. Belt Inspection and Replacement: Inspect the belts connected to the spring pulleys regularly. Look for signs of wear, cracking, or stretching. Replace any worn or damaged belts promptly to prevent failures and ensure consistent power transmission. Follow the manufacturer’s recommendations for belt replacement intervals.
  5. Cleaning: Keep the spring pulleys and their surrounding areas clean and free from debris, dust, and contaminants. Regularly remove any accumulated dirt or debris that may affect the pulley’s performance or cause imbalance.
  6. Alignment: Ensure proper alignment between the spring pulleys and the driven components such as fans, compressors, or pumps. Misalignment can lead to increased wear, decreased efficiency, and premature failure. Use alignment tools and techniques to correct any misalignment issues.
  7. Temperature and Environmental Considerations: Consider the operating temperature and environmental conditions when maintaining spring pulleys. Extreme temperatures, excessive humidity, or corrosive environments can impact the pulley’s performance. Take appropriate measures to protect the pulleys, such as using protective coatings or installing thermal insulation.
  8. Professional Maintenance: In addition to regular inspections and basic maintenance procedures, it is advisable to schedule professional maintenance for the entire HVAC system, including the spring pulleys. Professional technicians can perform in-depth inspections, identify potential issues, and perform specialized maintenance tasks to ensure optimal reliability.

By following these maintenance procedures, you can enhance the reliability of spring pulleys, reduce the risk of failures, and prolong the lifespan of HVAC systems and air conditioning units.

spring pulley

How are spring pulleys utilized in automotive engines and accessory systems?

Spring pulleys play a crucial role in automotive engines and accessory systems, contributing to their efficient operation and performance. They are utilized in various applications to drive and control different components within the engine and accessory systems. Let’s explore how spring pulleys are utilized in automotive engines and accessory systems:

1. Serpentine Belt System: Spring pulleys are an integral part of the serpentine belt system in automotive engines. The serpentine belt connects and drives multiple engine accessories, such as the alternator, power steering pump, air conditioning compressor, and water pump. Spring tensioners or idler pulleys equipped with springs are used to maintain proper belt tension, ensuring optimal power transmission and preventing belt slippage or excessive wear.

2. Belt Drive Systems: Spring pulleys are also used in other belt drive systems within the engine or accessory systems. They help drive components such as the timing belt, camshaft, balance shaft, supercharger, or turbocharger. The spring tensioners in these systems apply appropriate tension to the belts, ensuring accurate timing, improved efficiency, and reliable operation of the driven components.

3. Decoupler Pulleys: Decoupler pulleys, often equipped with springs, are employed in accessory systems such as the crankshaft pulley or the automatic belt tensioner. These pulleys feature a spring-loaded mechanism that allows them to absorb engine vibrations or torsional oscillations. The spring tension in the decoupler pulleys helps reduce stress on the belts and other components, enhancing their longevity and minimizing noise and vibration.

4. Overrunning Alternator Pulley (OAP): The overrunning alternator pulley, also known as the one-way clutch pulley, is a spring-loaded pulley used in automotive alternator systems. It allows the alternator to freewheel during deceleration or engine braking, reducing drag on the engine and improving fuel efficiency. The spring mechanism within the OAP engages and disengages the alternator pulley smoothly, providing optimal charging and power generation without excessive strain on the engine.

5. Damping and Tension Control: Spring pulleys are employed for damping and tension control in various automotive systems. For example, they can be used in the accessory belt tensioner to maintain consistent tension in the belt under different operating conditions. The springs within these pulleys absorb vibrations, fluctuations, and belt slippage, ensuring smooth operation and preventing damage to the belt and associated components.

6. Belt Alignment and Tracking: Spring pulleys are utilized to maintain proper belt alignment and tracking. In systems with multiple belts, such as the serpentine belt system, spring-loaded idler pulleys or tensioners help ensure that the belts remain aligned with the pulleys, preventing misalignment, noise, and premature wear. The spring tension in these pulleys compensates for belt stretching and keeps the belts properly positioned on the pulleys.

7. Accessory System Control: Some automotive accessory systems utilize spring pulleys for control purposes. For instance, in variable displacement compressor systems for air conditioning, spring pulleys are employed to engage or disengage the compressor based on the cooling demand. The spring mechanism within these pulleys responds to pressure or temperature changes, regulating the operation of the compressor and optimizing energy efficiency.

8. Belt Replacement and Maintenance: Spring pulleys simplify belt replacement and maintenance procedures. Tensioners or idler pulleys equipped with springs can be designed with quick-release mechanisms or adjustable tension settings, making it easier to install or remove belts during servicing. The spring tensioners also facilitate routine belt inspections, allowing mechanics to assess belt condition and tension with greater convenience.

In automotive engines and accessory systems, spring pulleys serve critical functions such as maintaining belt tension, enabling proper belt alignment, absorbing vibrations, controlling accessory system operation, and improving overall performance and reliability. Their inclusion in these systems ensures efficient power transmission, reduces wear and tear, and enhances the longevity of belts and other components.

spring pulley

How do spring pulleys assist in maintaining proper belt or cable tension?

Spring pulleys play a crucial role in maintaining proper belt or cable tension in various mechanical systems. They utilize their spring mechanism to provide controlled tension and ensure the optimal performance of belts or cables. Let’s explore how spring pulleys assist in maintaining proper belt or cable tension:

1. Automatic Tension Adjustment: Spring pulleys are designed with a built-in spring mechanism that automatically adjusts the tension of the belt or cable. The spring exerts a specific amount of force, which counteracts any variations in the load or system dynamics. As the tension in the belt or cable changes due to factors like stretching, slipping, or load fluctuations, the spring in the pulley expands or compresses accordingly, maintaining a consistent tension level.

2. Compensation for Load Variations: In many applications, the load on the belt or cable can vary during operation. Spring pulleys can accommodate these load variations by adjusting the tension accordingly. If the load increases, the spring in the pulley expands to provide additional tension, ensuring that the belt or cable remains properly tensioned. Similarly, if the load decreases, the spring contracts to prevent excessive tension that could lead to belt or cable damage.

3. Absorption of Belt or Cable Stretch: Belts and cables can experience stretching over time due to wear or temperature changes. Spring pulleys help absorb this stretching by maintaining a constant tension. When the belt or cable stretches, the spring in the pulley compensates by expanding, preventing slackness and ensuring the desired tension is maintained. This prevents issues such as belt slippage, loss of power transmission, or inaccurate positioning in the case of cables.

4. Adjustability for Optimal Tension: Many spring pulleys feature a tension adjustment mechanism, allowing users to fine-tune or modify the tension provided by the spring. The tension adjustment can be achieved by changing the position or compression of the spring or utilizing additional mechanisms like set screws or locking nuts. This adjustability enables users to optimize the tension according to the specific requirements of their application, ensuring proper belt or cable tension for efficient and reliable operation.

5. Enhanced Belt or Cable Lifespan: By maintaining proper tension, spring pulleys help extend the lifespan of belts or cables. Excessive tension can lead to premature wear, stretching, or damage to the belt or cable, while insufficient tension can cause slippage, reduced power transmission, or inadequate performance. The controlled tension provided by spring pulleys minimizes these issues, promoting longer belt or cable life and reducing the frequency of replacements or repairs.

6. Reduction of Vibrations and Noise: In addition to maintaining proper tension, spring pulleys help dampen vibrations and reduce noise in mechanical systems. The spring mechanism absorbs vibrations and shocks, preventing them from being transmitted through the belt or cable. This results in smoother operation, improved system stability, and reduced noise levels, enhancing the overall performance and user experience.

Overall, spring pulleys assist in maintaining proper belt or cable tension through their automatic tension adjustment, compensation for load variations, absorption of stretch, adjustability for optimal tension, and promotion of belt or cable longevity. These features make spring pulleys valuable components in numerous applications where consistent tension is critical for efficient and reliable operation.

China manufacturer Conveyor Driving Pulley Tail Pulley with Rubber Coating   belt pulley	China manufacturer Conveyor Driving Pulley Tail Pulley with Rubber Coating   belt pulley
editor by CX