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1. 发明授权

US08485763B2 Helical broach for roughing 有权
标题翻译：螺旋拉刀粗加工
公开(公告)号：US08485763B2
公开(公告)日：2013-07-16
申请号：US12920126
申请日：2009-09-10
申请人： Yasuhito Katsuki
发明人： Yasuhito Katsuki
IPC分类号： B23D43/02
CPC分类号： B23D43/005 , B23F1/08 , B23F21/26 , Y10T407/16 , Y10T407/1671 , Y10T407/1685
摘要： A helical broach 1 for roughing includes a cutting tooth part 30 in which n spline teeth 31 are arranged side by side in an axial direction. The spline teeth 31 each include cutting teeth 32 which are arranged at a predetermined helix angle. The cutting teeth 32 each have an acute angle portion and an obtuse angle portion on both sides thereof in a circumferential direction. The cutting teeth disposed on the first to n−1th spline teeth 31 (S1 to Sn−1) in the circumferential direction are each formed in such a way that its height on the acute angle portion side differs from that on the obtuse angle portion side. The cutting teeth (Sn) of the nth spline tooth (Sn) are each formed in such a way that its height stays constant in the circumferential direction.
摘要翻译：用于粗加工的螺旋拉刀1包括切削齿部30，其中n个花键齿31沿轴向并排布置。花键齿31各自包括以预定的螺旋角度布置的切割齿32。切割齿32在圆周方向上的两侧具有锐角部和钝角部。在圆周方向上设置在第一至第n至第n花键齿31（S1至Sn-1）上的切割齿各自形成为其锐角部侧的高度与钝角部侧的高度不同。第n个花键齿（Sn）的切削齿（Sn）各自以其高度在圆周方向上保持恒定的方式形成。

2. 发明申请

US20110020078A1 HELICAL BROACH FOR ROUGHING 有权
标题翻译：舒适的连接
公开(公告)号：US20110020078A1
公开(公告)日：2011-01-27
申请号：US12920126
申请日：2009-09-10
申请人： Yasuhito Katsuki
发明人： Yasuhito Katsuki
IPC分类号： B23P15/42
CPC分类号： B23D43/005 , B23F1/08 , B23F21/26 , Y10T407/16 , Y10T407/1671 , Y10T407/1685
摘要： A helical broach 1 for roughing includes a cutting tooth part 30 in which n spline teeth 31 are arranged side by side in an axial direction. The spline teeth 31 each include cutting teeth 32 which are arranged at a predetermined helix angle. The cutting teeth 32 each have an acute angle portion and an obtuse angle portion on both sides thereof in a circumferential direction. The cutting teeth disposed on the first to n−1th spline teeth 31 (S1 to Sn−1) in the circumferential direction are each formed in such a way that its height on the acute angle portion side differs from that on the obtuse angle portion side. The cutting teeth (Sn) of the nth spline tooth (Sn) are each formed in such a way that its height stays constant in the circumferential direction.
摘要翻译：用于粗加工的螺旋拉刀1包括切削齿部30，其中n个花键齿31沿轴向并排布置。花键齿31各自包括以预定的螺旋角度布置的切割齿32。切割齿32在圆周方向上的两侧具有锐角部和钝角部。在圆周方向上设置在第一至第n至第n花键齿31（S1至Sn-1）上的切割齿各自形成为其锐角部侧的高度与钝角部侧的高度不同。第n个花键齿（Sn）的切削齿（Sn）各自以其高度在圆周方向上保持恒定的方式形成。

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