This paper introduces a kind of thin wall part made of two kinds material by copper brazing,a pressure cutting and nobbing technology method of the manufacting high precision interal hole on the press machine.

• 介绍 2种材料由铜钎焊而形成的一种薄壁类零件 ,在压床上采用压削挤压加工较高精度内孔的一种工艺方法