摘要
用多工位冷镦机生产半圆头方颈螺栓 ,对方颈部分的成形采用切挤成形工艺 ,用这种方法生产的产品 ,外形美观 ,质量稳定。
The cup head square neck bolts are made on the multiple station cold header,and cut squeeze technology is used to get the square neck.These products through this way have good appearance and stable quality.The design of the key mold is introduced.
出处
《金属成形工艺》
2001年第4期46-48,共3页
Metal Forming Technology
关键词
冷镦
切挤
四方切挤模
晶粒度
半圆头方颈螺栓
codl heading
cut squeeze
grain size
the mold of cut squeeze for square
