The screw deformation during grinding is calculated, predicted and simulated by a simulation software, based on analyzing the regularity of thermal deformation. The method of CNC programming can be used to compensate the thermal deformation error effectively,which is based on 840D CNC system and using R parameter flexibly.%通过对丝杠磨削过程中丝杠受热变形的规律进行分析,运用仿真软件进行仿真,计算预测丝杠磨削过程中的变形量.基于840D数控系统,通过对R参数的灵活运用,提出一种能够对温度误差有效补偿的数控程序编程方法.
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