本文将对机械加工工艺系统中影响加工精度的各项误差作出较全面的分析、计算,以利于夹具尺寸公差和技术要求的确定及夹具制造精度的控制。一、影响工件在夹具中的加工精度的原因加工中工件处在夹具、机床和刀具组成的机械加工工艺系统中。影响加工精度的各项误差及其在工艺系统中的关系如图1所示。 This article will make a more comprehensive analysis and calculation of the errors affecting the machining accuracy in the machining process system to facilitate the determination of the fixture tolerances and the technical requirements as well as the control of the fixture manufacturing precision. First, the impact of the workpiece in the fixture in the processing accuracy reasons The workpiece is in the fixture, machine tools and tools in the machining process system. Affect the accuracy of the various errors and their relationship in the process system shown in Figure 1.