介绍了电火花刻伤机的原理和漏磁检测国家标准对钢管刻槽的定义,分析了电火花刻伤机加工槽时的误差,并提出一些减小误差的有效措施。
Described in this paper is the principle of electric discharge machining (EDM) sampling machine and the definition of grooves cut on steel pipes in National Standard about magnetic flux leakage test. Some errors of these grooves are analyzed, and some effective methods are provided to decrease these errors.