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1. 发明授权

US09440298B2 Helical broach 有权
标题翻译：螺旋拉刀
公开(公告)号：US09440298B2
公开(公告)日：2016-09-13
申请号：US13818808
申请日：2011-08-26
申请人： Naoki Yoshizumi , Yoshio Kobayashi , Kensuke Kohno , Hideyuki Fujiwara
发明人： Naoki Yoshizumi , Yoshio Kobayashi , Kensuke Kohno , Hideyuki Fujiwara
IPC分类号： B23D43/00 , B23F21/26
CPC分类号： B23D43/005 , B23F21/26 , Y10T407/16
摘要： This helical broach forms a twisted groove at the inner circumference of a machined hole of a workpiece by a plurality of cutting teeth, the plurality of cutting teeth include a plurality of circumference cutting teeth which are arranged on the tip-end side of the broach body, and include a plurality of tooth thickness cutting teeth which are arranged on the rear-end side of the broach body. The plurality of tooth thickness cutting teeth include cutting edges and guiding edges, respectively. The tooth thickness cutting tooth positioned closest to the rear-end side of the broach body is provided with the guiding edge instead of the cutting edge at the intersecting ridge part between a rake face and a lateral surface facing one wall surface of both groove wall surfaces of the twisted groove of the workpiece.
摘要翻译：该螺旋状拉刀通过多个切削齿在工件的加工孔的内周形成扭曲槽，多个切削齿包括多个圆周切削齿，其布置在拉刀体的前端侧并且包括布置在拉刀体的后端侧的多个齿厚切削齿。多个齿厚切削齿分别包括切削刃和引导刃。最靠近拉刀体的后端侧定位的齿厚切削齿设置有引导边缘，而不是在两个槽壁表面的一个壁表面的前刀面和侧表面之间的交叉脊部分处的切削刃的工件的扭曲槽。

2. 发明申请

US20130156513A1 HELICAL BROACH 有权
标题翻译：友情链接
公开(公告)号：US20130156513A1
公开(公告)日：2013-06-20
申请号：US13818808
申请日：2011-08-26
申请人： Naoki Yoshizumi , Yoshio Kobayashi , Kensuke Kohno , Hideyuki Fujiwara
发明人： Naoki Yoshizumi , Yoshio Kobayashi , Kensuke Kohno , Hideyuki Fujiwara
IPC分类号： B23D43/00
CPC分类号： B23D43/005 , B23F21/26 , Y10T407/16
摘要： This helical broach forms a twisted groove at the inner circumference of a machined hole of a workpiece by a plurality of cutting teeth, the plurality of cutting teeth include a plurality of circumference cutting teeth which are arranged on the tip-end side of the broach body, and include a plurality of tooth thickness cutting teeth which are arranged on the rear-end side of the broach body. The plurality of tooth thickness cutting teeth include cutting edges and guiding edges, respectively. The tooth thickness cutting tooth positioned closest to the rear-end side of the broach body is provided with the guiding edge instead of the cutting edge at the intersecting ridge part between a rake face and a lateral surface facing one wall surface of both groove wall surfaces of the twisted groove of the workpiece.
摘要翻译：该螺旋状拉刀通过多个切削齿在工件的加工孔的内周形成扭曲槽，多个切削齿包括多个圆周切削齿，其布置在拉刀体的前端侧并且包括布置在拉刀体的后端侧的多个齿厚切削齿。多个齿厚切削齿分别包括切削刃和引导刃。最靠近拉刀体的后端侧定位的齿厚切削齿设置有引导边缘，而不是在两个槽壁表面的一个壁表面的前刀面和侧表面之间的交叉脊部分处的切削刃的工件的扭曲槽。

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