The paper analyzes the work piece location error in fixing the part with one surface and two bores and obtains the computing formula of the location error in the different positions of the bore. .

• 通过分析工件“一面两孔”定位时的定位误差 ；得到当被加工孔与定位孔位置关系不同时产生的定位误差的计算公式 ；用VB6.；0语言编制计算机程序；对定位误差进行数据处理 ;