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本文采用综合补偿法提高加工后的圆柱度,即根据无补偿磨削后工件的形状误差,控制补偿磨削过程中工件的微位移,而无须考虑这些误差的来源。图1所示为补偿控制系统信息流程图。系统的工作原理是首先测试补偿前工件的形状误差,经计算机处理后,通过D/A输出控制信号,这一信号由信号变换器放大后驱动补偿机构,从而将电信号转化为微位移,实现误差补偿。
In this paper, the comprehensive compensation method is used to increase the cylindricity after machining. That is to say, according to the shape error of the workpiece after uncompensated grinding, the micro-displacement of the workpiece during the compensation grinding process can be controlled without considering the sources of these errors. Figure 1 shows the compensation control system information flow chart. The working principle of the system is to first test the shape error of the workpiece before compensation. After computer processing, the control signal is output through D / A. This signal is amplified by the signal converter to drive the compensation mechanism, so that the electrical signal is transformed into a micro-displacement, Error compensation.