发明授权
- 专利标题： Cutting insert for radius cutter and indexable-insert radius cutter fitted with the same
- 专利标题（中）： 刀具切削刀片和可转位刀片半径切割刀具
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申请号： US12583098申请日： 2009-08-14
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公开(公告)号： US07815402B2公开(公告)日： 2010-10-19
- 发明人: Satoru Yoshida , Katsutoshi Watanabe , Masuo Saitoh
- 申请人： Satoru Yoshida , Katsutoshi Watanabe , Masuo Saitoh
- 申请人地址： JP Kanagawa JP Aichi
- 专利权人： Tunalogy Corporation,OSG Corporation
- 当前专利权人： Tunalogy Corporation,OSG Corporation
- 当前专利权人地址： JP Kanagawa JP Aichi
- 代理机构： Cooper & Dunham LLP
- 代理商 John P. White
- 主分类号： B23B27/00
- IPC分类号： B23B27/00 ; B23B27/02
摘要：
A cutting insert is provided with at least a circular-arc blade cutting edge as a cutting edge in the form of a substantially quarter circular arc, at an intersection between a rake face and a flank face, and an outer cutting edge extending from one end portion of the circular-arc cutting edge. The rake face is formed so as to be convex in a direction of rotation when the cutting insert is mounted on a tool body. On a section perpendicular to the cutting edge, the rake face is inclined so as to become gentler with distance from the circular-arc cutting edge or outer cutting edge. The circular-arc cutting edge is formed to be convex in the direction of rotation. The outer cutting edge is formed so that its edge ridge line is substantially parallel to the axis of the tool body.
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