Trough roller set

The trough roller set is an important part of the belt conveyor, with many types and large quantities. It accounts for 35% of the total cost of a belt conveyor and bears more than 70% of the resistance, so the quality of the roller is particularly important.
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Roller series

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Product description

The trough roller set is an important part of the belt conveyor, with many types and large quantities. It accounts for 35% of the total cost of a belt conveyor and bears more than 70% of the resistance, so the quality of the roller is particularly important. The role of the idler is to support the weight of the conveyor belt and the material. The idler operates flexibly. It reduces the friction between the conveyor belt and the idler, and plays a key role in the life of the conveyor belt, which accounts for more than 25% of the total cost of the conveyor. Although the idler is in The belt conveyor is a small part, and the structure is not complicated, but the manufacturing roller is not easy.

The influence of the radial runout of the idler on the belt conveyor: within the specified runout range, the belt conveyor can be kept running smoothly, otherwise it will cause the belt conveyor belt to resonate and jump, causing material toss, polluting the environment, and speeding up the belt. The higher the value, the more beneficial the radial runout is smaller.

The amount specified by the Chinese standard is 0.7 mm, and the amount specified by the Japanese JIS standard is 0.5 mm. In order to improve the support rigidity of the trough roller set, the calculation formula for the cross-sectional area of the material was deduced, and the static load of the trough roller set was calculated. On this basis, the finite element analysis was performed to obtain the roller structure The stress distribution and deformation state. Taking the inclination of the side roller axis as the design parameter, the FFE algorithm is used to optimize the support stiffness of the trough roller group. The optimization result increases to 22.3, while the large deformation of the trough roller group is reduced by 20. 46%, its support rigidity is improved, which provides an important reference and basis for the structural design of the belt conveyor roller.

Features of trough roller set:

1. The trough-shaped roller has the characteristics: acid, alkali and salt are not corrosive to it.

2. The trough roller has strong hardness: strong performance.

3. Good airtightness: the trough roller is fully sealed, with plastic labyrinth sealing rings at both ends, oil and grease will not leak, which can keep the rolling shaft for a long time; the trough roller runs in a fully sealed state.

4. The ceramic surface of the trough roller: an oxide film is formed, the surface is smooth, does not adhere to the material, and the friction coefficient in contact with the conveyor belt is small, which reduces the driving force of the winding.

5. Long service life of trough rollers: trough rollers are 2-5 times longer than steel rollers, and can reduce belt wear, belts do not run sideways, and extend belt service life.

6. Low operating cost: trough rollers can reduce the overall cost of belt conveyors and reduce maintenance man-hours.