介绍了一种加工深孔内环槽的高效工具。结合涨刀结构与工作原理的阐述,总结了其使用方法及加工特点,并列举了几种常见加工质量问题及解决措施。 An efficient tool for machining deep groove inner ring grooves is introduced. Combined with the structure and working principle of upturning knife, the article summarized its using method and processing characteristics, and listed several common processing quality problems and solutions.