Abstract
A steal bearing unit on conveying equipment in a turret punch press basically has noise problems. One of the solutions is a usage of polymeric brush instead of steal bearing, which works as the cushioning material. However, the loading characteristic is not clear because the concrete evaluation method for polymeric brush is not established. The variation on the head of each fiber in the brush makes the deviation in terms of the mechanical properties. Besides, our expectation to the heavy load is increasing in recent years. Therefore, the purpose of this study is to propose new method to evaluate the mechanical properties of the polymeric brush. Basically, the start point of stress increase on each fiber varies because of the different length of fibers on one brush. It makes difficulty on zero point adjustment according to each brush with different properties. Then we developed new zero point adjustment based on comparing with preloading and unloading characteristics. The experimental results show the validation that new evaluation method improves the predictive accuracy and imply more efficient designing in the conveyer equipment.
Published Version
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