AE信号を利用した砥石摩耗に基づく工作物形状誤差の間接測定とその補正

概要

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In this study, a method to measure workpiece form errors due to the grinding wheel wear for NC grinding machines and their compensating method are proposed. In this method, the contact between a wheel and a dresser is monitored from AE signals during dressing process with a dresser with the AE sensor, and maximum wheel profile wears are measured from the dresser depth obtained NC programs. Workpiece form errors are measured from the relationships between wheel wears and workpiece form errors, and then workpiece form errors are compensated by repeating grinding until the workpiece form error to be less than desired tolerance. As the experimental results, it is confirmed that workpiece form errors can be measured by the AE signals after grinding accurately. Furthermore, it is shown that the compensating method proposed in this study can be used in actual grinding operations.
一般社団法人日本機械学会の論文
1998-11-25