FOCUS ON YOUR ENTRUST

FOCUS ON YOUR ENTRUST

The high-quality TECHNOBELT (Neoprene and Polyurethane Belt) has won high praise from many famous original equipment manufacturers and maintenance companies all over the world.

View details
FOCUS ON YOUR ENTRUST

FOCUS ON YOUR ENTRUST

The high-quality TECHNOBELT (Neoprene and Polyurethane Belt) has won high praise from many famous original equipment manufacturers and maintenance companies all over the world.

View details

Several Misunderstandings in the Use of V-belts

1. Reduce the diameter of the driving pulley. The life of the belt is determined by the bending stress and the number of bendings. The bending stress is generated when the belt is wound into the pulley. The smaller the diameter of the pulley is, the greater the bending stress is. It will cause fatigue and breakage of the belt during operation.

2. Mix old and new. In order to save costs, only those old and damaged belts are replaced, and old and new belts are used together. All the initial tension that should be shared by the belts is transferred to the new belt, which causes the initial tension of the new belt to be too large and causes the new belt to wear too quickly.

3. Increase the center distance of the main and driven pulleys at will. When the belt is used for a period of time, due to repeated stretching, the belt will inevitably relax and deform. At this time, the initial tension between the belt and the pulley is restored by increasing the center distance and setting the tension wheel. However, if the center distance between the two pulleys is too large, the belt will be shaken, and the belt's carrying capacity will be reduced.

4. The belt is too tight. The belt drive relies on the friction between the belt and the pulley to transmit motion and torque. Increasing the positive pressure between the belt and the pulley will cause the pulley shaft to bend. Under the long-term effect, the contact force between the pulley shaft and the bearing will be uneven, resulting in uneven wear of the bearing or even the early scrapping of the bearing or shaft. The tension of the belt should be 10-15 mm under the thumb.

5. No protective decoration is added. Because the belt is a rubber product, it is not resistant to acid, alkali, oil and ultraviolet rays, so if the belt is exposed to the outside environment without covering, it will inevitably cause the belt to crack and aging prematurely. At the same time, if no protective device is installed High-speed rotation may also cause personal injury.

 

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Common Faults and Solutions for V Belts

14 Aug,2020

A: There is noise: the tension is too large or too small, the solution: the tension should be adjusted. B: Edge wear: 1) Timing belt incident is not parallel 2) Timing belt wheel steering deflection 3) Rising pulley has cracks 4) Bearing has gaps Solution: 1)  Straighten the non-parallel synchronous belt wheels and replace the synchronous belt. 2) Replace the tensioner, suspension wheel and timing belt C: Wear of the surface fabric at the root of the convex tooth (1) Excessive tension (2) Excessive temperature (3) Damage to the synchronous pulley. Solution: (1) Adjust the tension (2) Find the cause of the high temperature and repair it (3) Replace the synchronous pulley D: The flanks of the convex teeth are abnormally worn, the bottom is cracked, and the convex teeth are cut: (1) The tightening force is too large or too small (2) There is foreign body (3) The timing belt pulley or the tension pulley is seized. Solution: (1) Adjust the tension (2) Remove foreign objects (3) Find the cause and repair E: The volume of the surface fabric of the convex teeth: the engine or other parts have liquid leakage. Solution: repair the leaking parts and replace the timing belt F: Movement scratches on the convex teeth: (1) Foreign matter (2) The timing belt is damaged before or during installation Solution: (1) Remove foreign objects (2) Replace the timing belt and install it correctly G: Cracks appear on the back of the synchronous belt: (1) The surrounding temperature is too high or too low (2) There is foreign matter (3) The suspension wheel is sticky (4) Aging Solution: (1) Find the cause and solve it (2) Replace the timing belt and check the door cover (3) Replace the idler wheel and timing belt (4) Replace the timing belt H: The timing belt suddenly breaks: (1) There is a foreign body (2) The tension is too large (3) The timing belt is improperly bent before installation Solution: (1) Remove foreign matter (2) Adjust the tension (3) Replace the timing belt I: Related parts are damaged: (1) There is a gap in the bearing (2) The moving contact surface is damaged Solution: (1) Replace the tensioner, idler and guide wheel

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