在机械部件上螺纹是很常见的,螺纹的加工一般放在最后几道工序中,是机械加工非常重要环节之一,而内螺纹的加工又是一个难点和重点。本文通过总结数控加工中心上内螺纹的加工方法,对内螺纹加工的方法、刀具的选择及注意事项进行了简单的分析和说明。 Threads are very common on mechanical parts. The threading is usually done in the last few steps and is one of the most important aspects of machining. The machining of the female thread is a difficult and important point. In this paper, by summarizing the machining methods of the internal thread on the CNC machining center, the methods of internal thread machining, the choice of tools and precautions are briefly analyzed and explained.