[编者按] 中国机械工程学会切削专业委员会于1984年9月下旬在成都举办了“孔加工刀具学术交流会”,议题涉及到深孔加工、精密孔加工和难加工材料孔加工各个领域的刀具,对传统孔加工的刀具也有改进和创新。本刊约请江苏省机械工程学会机加工分会常务理事、金属切削学组副组长叶伟昌同志就会议有关内容作一综述。 [Editor’s note] Chinese Mechanical Engineering Society cutting professional committee held in late September 1984 in Chengdu, “hole cutting tool academic exchange meeting,” topics related to deep hole machining, precision hole machining and difficult to machine materials in all areas of the hole machining tools , The traditional hole processing tool also has improvement and innovation. The magazine invites Jiangsu Mechanical Engineering Society machining branch executive director, metal cutting group deputy leader Ye Weichang comrades on the content of the meeting to review.