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The Effect of Roll Misalignment on Vibration Response of Roll Grinder
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The chatter marks may be caused by the roll misalignment during the grinding process of roll grinder, which can affect the quality of the roll surface of the strip steel. Based on a doubly regenerative time delay grinding model, a 2-degree-of-freedom lumped parameter model of a roll grinder with the roll misalignment fault is presented to investigate the effect of a roll misalignment on its vibration responses. A Runge-Kutta numerical integration method is applied to calculate the vibration response from the presented model. The effects of the roll misalignment and the rolling speed are investigated. Moreover, an experiment setup is presented. Numerical results from the presented model are compared with experimental results to validate the presented model. It seems that the results may provide some guidance for the detection of the misalignment fault and monitoring of the operation state of the roll grinder.
American Society of Mechanical Engineers
Title: The Effect of Roll Misalignment on Vibration Response of Roll Grinder
Description:
The chatter marks may be caused by the roll misalignment during the grinding process of roll grinder, which can affect the quality of the roll surface of the strip steel.
Based on a doubly regenerative time delay grinding model, a 2-degree-of-freedom lumped parameter model of a roll grinder with the roll misalignment fault is presented to investigate the effect of a roll misalignment on its vibration responses.
A Runge-Kutta numerical integration method is applied to calculate the vibration response from the presented model.
The effects of the roll misalignment and the rolling speed are investigated.
Moreover, an experiment setup is presented.
Numerical results from the presented model are compared with experimental results to validate the presented model.
It seems that the results may provide some guidance for the detection of the misalignment fault and monitoring of the operation state of the roll grinder.
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