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Analysis on rolling resistance of conveyor belt
Clicks:9210 Date:4-7
The running resistance of the conveyor belt has been the subject of deep research and discussion of the engineering and technical personnel. The design of the belt conveyor with long distance, large volume and high speed is the development trend. The energy provided by the motor is consumed by various operating resistance, so the energy saving can be achieved by reducing the energy consumption.
Research shows that, in a horizontal belt conveyor, when the conveyor belt through each one of the supporting roller by the energy loss under cover indentation is the main cause of the system energy loss, probably accounted for 6100 of the total energy of the system. Even if there is a reduction of a few percent, the energy saving is of great significance. Therefore, it is necessary to analyze the energy loss of indentation rolling resistance, and get the related factors.
(1) the cause of indentation rolling resistance
The rubber material has certain elasticity and hardness of Ru, so in the conveyor belt running to the roller, conveyor belt and cargo due to gravity, constantly being trapped in the pressure roller conveyor belt cover, resulting in indentation rolling resistance.
(2) indentation rolling state analysis
The conveyor belt is moved to the right at the speed, when it runs to the roller, it is compressed, because the rubber material has hysteresis characteristic, so the bearing section is only MN, which is the time difference of strain lag to stress. Obviously, the hysteresis loss energy of rubber material is the energy loss caused by indentation rolling resistance.
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