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改装前的M220内径磨床上、下料和砂轮进给都是由人工完成的,测量工件是用扭簧表,靠肉眼观测。生产效率低、劳动强度大。改装后采用步进电机来驱动砂轮架进给,并装有12000转/分电主轴和自动电感测量仪,以及机械手上、下料等装置。改装后的机床具有使用方便,调正简单、故障少、可靠性强等优点,并减轻了工人的劳动强度,提高生产效率20—30％,产品几何精度大为提高,光洁度可提高一大级。
Before the modification of the M220 diameter grinding machine, cutting and grinding wheel feed are done by hand, the measurement of the workpiece is torsion spring table, by the naked eye observation. Low production efficiency, labor-intensive. Modified after the stepper motor to drive the wheel feed, and equipped with 12000 rev / min spindle and automatic inductance measuring instrument, as well as the manipulator, cutting and other devices. The modified machine has the advantages of convenient use, simple adjustment, less malfunction, high reliability and the like, and reduces the labor intensity of the workers and improves the production efficiency by 20-30%. The geometric precision of the product is greatly improved and the finish of the product can be improved by a large level .