摘要
通过对大筐形保持架冲孔模具结构的改进,解决了冲孔存在的问题,效果良好。
By improving punching mold structure of the large basket-shaped cage, the existing problems were solved during punching, the good effect was achieved.
出处
《哈尔滨轴承》
2013年第1期41-42,共2页
Journal of Harbin Bearing
关键词
大筐形保持架
冲孔
工艺
凸模
凹模
large basket-shaped cage
punching
process
convex die
concave die
