A new type shaped tool is introduced which machines bond of copper, and machining problem about high precision and difference grinding characteristic are resolved.
介绍了加工铜键的一种新型成形刀具，解决了精度要求高耐磨性差的加工难题。
3
The tube nut is placed over the end of the copper tube to be joined; the tube end then is flared out at an approximate 45 degree Angle by a flaring tool.