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数控机床的定位精度在很大程度上受滚珠丝杠精度影响,提高机床的定位精度,能有效地改善数控机床的加工精度。本论文阐述了数控机床螺距误差检测、补偿的原理及步骤,并通过使用激光干涉仪检测及补偿SIEMENS 828D数控系统给出了应用实例。
CNC machine tool positioning accuracy is largely affected by ball screw accuracy, improve machine tool positioning accuracy, can effectively improve the machining accuracy of CNC machine tools. This paper elaborates the principle and steps of pitch error detection and compensation of CNC machine tool, and gives an application example by using laser interferometer to detect and compensate SIEMENS 828D CNC system.