可转位刀片沉孔紧固螺钉的设计与制造工艺机械部成都工具研究所（６１００５６）俞进，商宏谟，查国兵一、概况可转位刀片沉孔紧固螺钉（以下简称螺钉）是可转位刀具上使用的重要夹紧零件。目前工业发达国家制造的８０％以上的可转位刀具采用了沉孔压紧式结构。由于这种结... Indexable insert countersunk hole fastening screw design and manufacturing process Ministry of Machinery Chengdu Tool Research Institute (610056) Yu Jin, Shang Hongmo, Chaoguo Bing First, an overview Indexable countersink countersunk screw (hereinafter referred to as the screw) It is an important clamping part for indexable tools. At present, more than 80% of the indexable knives manufactured in industrialized countries adopt the counterbore compression structure. Because of this knot ...