发明授权
- 专利标题: Center and peripheral cutting end mill
- 专利标题(中): 中心和周边切割端铣刀
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申请号: US289946申请日: 1988-12-27
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公开(公告)号: US4934878A公开(公告)日: 1990-06-19
- 发明人: Lawrence Plutschuck , Thomas Conrad
- 申请人: Lawrence Plutschuck , Thomas Conrad
- 申请人地址: MI Troy
- 专利权人: GTE Valenite Corporation
- 当前专利权人: GTE Valenite Corporation
- 当前专利权人地址: MI Troy
- 主分类号: B23C5/10
- IPC分类号: B23C5/10 ; B23C5/22
摘要:
A center cutting end mill incorporating indexable inserts with positive axial rake angles. Multisegmented rake faces provide support for positive rake cutting edges enabling an improved feed rate.
公开/授权文献
- US6153499A Method of manufacturing semiconductor device 公开/授权日:2000-11-28
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