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本文采用被加工工件代替标准球或标准环的方法,对CA 6140机床的主轴进行回转精度的在线测量,已在实验室取得成功。试验表明,本方法简单易行,可有效地消除安装偏心,便于比较测试结果,测试精度大为提高。
In this paper, the method of replacing the standard ball or standard ring with the machined workpiece is used to measure the rotation accuracy of the main shaft of the CA 6140 machine tool successfully in the laboratory. Experiments show that the method is simple and easy, which can effectively eliminate eccentricities of installation, facilitate comparison of test results and greatly improve test accuracy.