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Adaptive Table-Motion Control of a Surface Grinding Machine Using an AE Sensor

机译:使用AE传感器的平面磨床的自适应工作台控制

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摘要

Improvement in grinding efficiency is very important to economically produce precision parts. This paper proposes a new table-motion control system for reducing non-machining time in the surface-grinding process and describes the results of performance tests of the system. The table-motion is adaptively controlled so that the table stroke is shifted along a workpiece shape. That is, an AE signal is emitted from the contact zone between a grinding wheel and a workpiece and is diminished when the wheel leaves the workpiece. When the signal level becomes less than a preset trigger level, a command is sent to a table controller to reverse the table-motion. By using the proposed system, unnecessary table over-travel is successfully eliminated and total machining time is reduced by 22 to 38 percent.
机译:磨削效率的提高对于经济地生产精密零件非常重要。本文提出了一种新的工作台运动控制系统,以减少表面磨削过程中的非加工时间,并描述了该系统的性能测试结果。工作台运动受到自适应控制,以使工作台行程沿着工件形状移动。即,从砂轮和工件之间的接触区域发射AE信号,并且当砂轮离开工件时,AE信号减弱。当信号电平小于预设的触发电平时,命令将发送到工作台控制器以反转工作台运动。通过使用提出的系统,成功消除了不必要的工作台超行程,总加工时间减少了22%至38%。

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