发明名称 Spur gear automatic production process
摘要 The present invention relates to a spur gear automatic production process wherein spur gears are cold-press formed. The invention provides a top and bottom table with stock fed therebetween in sequential operation with the vertical stroke of the press machine, stamping a disk-shaped gear workpiece by means of top and bottom die sets in the first section which are positioned for integrated movement, thereafter moving said gear workpiece to the second section by means of an unobstructed feed, stamping thereon the tooth profile by means of the vertical stroke of top and bottom die sets positioned in said second section, and ironing said gear workpiece in the reverse direction to the stamping process.
申请公布号 US4800745(A) 申请公布日期 1989.01.31
申请号 US19870068143 申请日期 1987.06.30
申请人 发明人
分类号 B21J5/06;B21D53/28;B21K1/30;(IPC1-7):B21D53/28;B21D28/02 主分类号 B21J5/06
代理机构 代理人
主权项
地址