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    • 1. 发明专利
    • ブローチを用いた捩れ溝加工方法、ブローチ盤及びブローチ
    • TWAIN GROOVE MACHINING METHOD WITH BROACH,BROACHING MACHINE AND BROACH
    • JP2014195852A
    • 2014-10-16
    • JP2013072673
    • 2013-03-29
    • 三菱マテリアル株式会社Mitsubishi Materials Corp
    • YOSHIZUMI NAOKIKOBAYASHI YOSHIO
    • B23D37/16B23D37/10B23D43/06
    • 【課題】安価なブローチ盤を用いて被削材の下孔に簡単に捩れ溝加工を施すことが可能なブローチを用いた捩れ溝加工方法、ブローチ盤及びブローチを提供すること。【解決手段】軸状をなし外周に複数の切刃2が螺旋状に配列されたブローチ1を、該ブローチ1の軸線O方向に向けて被削材Wに形成された下孔Hに挿入し軸線O方向に沿う工具送り方向Dに送りつつ、これらブローチ1と被削材Wとを軸線O回りに相対回転させることにより、下孔Hに捩れ溝加工を施すブローチ1を用いた捩れ溝加工方法であって、ブローチ1及び被削材Wの少なくともいずれかを軸線O回りに回転自在に配設し、被削材Wに対してブローチ1を工具送り方向Dに移動させつつ、該被削材Wの下孔Hを加工する切刃2からこの被削材Wに作用する押圧力のうち軸線O回りへの周方向の分力によって、ブローチ1と被削材Wとを軸線O回りに相対回転させることを特徴とする。【選択図】図1
    • 要解决的问题:提供一种使用拉刀的扭转槽加工方法,其中可以通过使用便宜的拉床在工件材料的下孔中容易地进行扭曲加工,并且提供拉削机和拉刀。 :使用拉刀1的扭转槽加工方法的特征在于,形成为轴状并具有螺旋地设置在外周的多个切割刀片2的拉刀1插入到形成在工件材料W中的下孔H中 拉刀1的轴O方向,沿着轴线O方向被供给到刀具供给方向D,拉刀1和工件W相对于轴线O相对旋转,由此进行扭曲加工 下孔H.拉刀1和工件W中的至少任意一个可旋转地设置在轴线O周围,并且拉刀1和工件W相对旋转 通过从用于加工工件材料W的下孔H的切割刀片2作用在工件材料W上的按压力中的轴线O的圆周方向上的分力,同时在工具中移动拉刀1 进给方向D到工件材料W.
    • 2. 发明专利
    • Broach
    • BROACH
    • JP2013208661A
    • 2013-10-10
    • JP2012078784
    • 2012-03-30
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • KOBAYASHI YOSHIO
    • B23D43/02B23F21/26
    • PROBLEM TO BE SOLVED: To perform highly accurate machining without losing of a guiding function due to the fact that an outer diameter of a cutting edge located near a front guide becomes smaller than a prepared hole of a workpiece even in a state where regrinding is advanced, and to prevent chipping of the cutting edge.SOLUTION: A broach finishes a prepared hole into a predetermined shape by sequentially inserting a front guide 13 and a plurality of cutting edges into the prepared hole formed in a workpiece. The cutting edge includes a single or a plurality of front cutting edges 6A following the front guide, and a plurality of rear cutting edges 6B arranged behind the front cutting edges and having fixed clearance angles respectively. Clearance angles θto θof the front cutting edges are set smaller than the clearance angle θof the rear cutting edge.
    • 要解决的问题:为了进行高精度的加工而不失去引导功能,这是因为即使在再研磨提前的状态下,位于前导板附近的切削刃的外径变得小于工件的预定孔 并且防止切削刃的碎裂。解决方案:通过将前导向件13和多个切削刃顺序地插入到形成在工件中的预制孔中,将一个开孔完成预定的形状。 切削刃包括在前引导件之后的单个或多个前切削刃6A,以及分别设置在前切削刃后面并具有固定间隙角的多个后切削刃6B。 前切削刃的间隙角度和角度设置为小于后切削刃的间隙角度;
    • 3. 发明专利
    • Broach
    • 拉刀
    • JP2014193505A
    • 2014-10-09
    • JP2013070820
    • 2013-03-29
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • YOSHIZUMI NAOKIKOBAYASHI YOSHIOKONO KENSUKE
    • B23F21/26B23D43/02
    • B23D43/005B23D37/00B23D43/06Y10T407/16Y10T407/1671
    • PROBLEM TO BE SOLVED: To provide a broach capable of enhancing process tolerance of cutting sufficiently.SOLUTION: Plural cutting blades 3 arranged in an outer periphery of an axial broach body 2 comprises: a spline blade group 7 including plural spline blades 8 for performing groove processing to a lower hole of a cut material; and a round blade group 9 arranged at a position different from that of the spline blade group 7 in an axial line O direction and including plural round blades 10 for performing inner peripheral processing to the lower hole. Between the round blades 10 adjacent in the axial line O direction in the round blade group 9, cutting grooves 12 extending along the peripheral direction around the axial line O on an outer periphery of the broach body 2 are formed. The cutting grooves 12 extend in a gradually twisted state toward the axial line O direction as going toward the peripheral direction. The spline blade group 7 and the round blade group 9 are formed integrally with the outer periphery of the broach body 2.
    • 要解决的问题:提供能够提高切削加工公差的拉刀。解决方案:布置在轴向拉刀体2的外周的多个切割刀片3包括:花键刀片组7,其包括用于执行凹槽的多个花键刀片8 加工成切割材料的下孔; 以及在轴向O方向上配置在与花键刀片组7的位置不同的位置的圆形刀片组9,并且包括用于对下部孔进行内周加工的多个圆形刀片10。 在圆刀片组9的轴线O方向上相邻的圆形刀片10之间,形成有在拉刀主体2的外周上沿着轴线O延伸的切削槽12。 切割槽12朝向周向方向朝着轴线O方向以逐渐扭转的状态延伸。 花键刀片组7和圆刀组9与拉刀体2的外周一体形成。
    • 4. 发明专利
    • Helical broach
    • 友情链接
    • JP2012045680A
    • 2012-03-08
    • JP2010191074
    • 2010-08-27
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • YOSHIZUMI NAOKIKOBAYASHI YOSHIOKONO KENSUKEFUJIWARA HIDEYUKI
    • B23D43/02
    • B23D43/005B23F21/26Y10T407/16
    • PROBLEM TO BE SOLVED: To provide a helical broach that prevents over-cutting by a final finishing blade to machine a workpiece with excellent tooth-trace accuracy.SOLUTION: A plurality of cutting edges 5 protruding to the radial outer-peripheral side are lined up in rows at the outer-peripheral part of a shaft-like broach body and arranged into a spiral shape twisted around the axis of the broach body from the tip side of the broach body to the rear-end side and the rows of the cutting edges are arranged circumferentially spaced apart with spacings. The helical broach forms a twisted groove of a predetermined lead on the inner periphery of a machined hole of a workpiece by the plurality of cutting edges. The plurality of cutting edges on the tip side of the broach body in the plurality of cutting edges are made as outer-diameter finishing blades while the plurality of cutting edges on the rear-end side of the broach body are made as tooth-thickness finishing blades. The tooth-thickness finishing blade 7BB is located closest to the rear-end side of the broach body in the plurality of tooth-thickness finishing blades 7B on the rear-end side of the broach body and is formed with a guide blade 13 instead of a cutting blade 9 at the intersecting ridge part between a rake face 5A and a side face facing circumferential one side of the same.
    • 要解决的问题:提供一种螺旋拉刀,其可防止最终精加工刀片过度切割,以优异的牙轨精度加工工件。 解决方案:突出到径向外周侧的多个切削刃5在轴状拉刀体的外周部分排列成排列成围绕拉刀的轴线扭转的螺旋形状 主体从拉刀体的尖端侧到后端侧,并且切割边缘的行以间隔布置成周向间隔开。 螺旋状拉刀通过多个切削刃在工件的加工孔的内周上形成预定的引线的扭曲槽。 将多个切削刃中的拉削体的前端侧的多个切削刃形成为外径精加工刀片,将拉刀体的后端侧的多个切削刃形成为齿厚精加工 刀片。 齿形精加工刮板7BB位于拉刀体的后端侧的多个齿厚精加工刀片7B中最靠近拉刀主体的后端侧,并且形成有导向叶片13,而不是 位于前刀面5A与面向周向一侧的侧面之间的交叉脊部的切割刀片9。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Integral helical broach and broach processing method
    • 一体化的连接和铺路加工方法
    • JP2008229743A
    • 2008-10-02
    • JP2007069289
    • 2007-03-16
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • HIRANO KENICHIROYOSHIZUMI NAOKITAMAMURA HIDEKAZUKOBAYASHI YOSHIOFUJIWARA HIDEYUKIKONO KENSUKE
    • B23D43/00
    • PROBLEM TO BE SOLVED: To provide an integral helical broach integrally formed with a broach body up to a tooth thickness finishing edge, capable of preventing degradation of a processed surface and increase in cutting resistance due to gouges on a groove wall surface.
      SOLUTION: The tooth thickness finishing edge 7 integrally formed with a broach body 1 includes cutting edges 5. In the tooth thickness finishing edge 7A on the top edge of the broach body 1, a cutting edge 9 is formed on the intersection ridge of a face 5A and a side face 5B on the obtuse angle side and a guide edge 10 is formed on the intersection ridge of the face 5A and a side face 5C on the acute angle side. In the tooth thickness finishing edge 7B on the rear edge of the broach body 1, the cutting edge 9 is formed on the intersection ridge of the face 5A and the side face 5B on the acute angle side and the guide edge 10 is formed on the intersection ridge of the face 5A and the side face 5C on the obtuse angle side.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种与拉刀体整体形成直到齿厚精加工边缘的整体螺旋拉刀,其能够防止加工表面的劣化,并且由于槽壁表面上的沟槽而增加切削阻力。 解决方案:与拉刀体1一体形成的齿厚精加工边缘7包括切削刃5.在拉刀主体1的顶部边缘上的齿厚精加工边缘7A中,在交叉路口上形成切削刃9 在锐角侧的面5A和侧面5C的交叉路口上形成面5A和侧面5B,并且引导边缘10形成在锐角侧。 在拉刀体1的后缘的齿厚精加工边缘7B中,切削刃9形成在锐角侧的面5A和侧面5B的交叉路口上,引导边缘10形成在 面5A的交叉面和钝角侧的侧面5C。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • BROCHA.
    • MX2014003686A
    • 2015-03-26
    • MX2014003686
    • 2014-03-27
    • MITSUBISHI MATERIALS CORP
    • YOSHIZUMI NAOKIKOBAYASHI YOSHIOKOHNO KENSUKE
    • B23D43/02
    • Una pluralidad de filos de corte que están dispuestos en una circunferencia externa de un cuerpo de brocha en forma de eje se proveen con un grupo de dientes con estrías, los cuales contienen una pluralidad de dientes con estrías que hacen ranuras o ranuran un orificio preparado de un material de trabajo, y un grupo de dientes redondos, el cual esta dispuesto en una posición diferente del grupo de dientes con estrías a lo largo de una dirección de eje O y contiene una pluralidad de dientes redondos que maquina una circunferencia interna del orificio preparado. Cuando menos una garganta se forma para extenderse a lo largo de la circunferencia externa del cuerpo de brocha en dirección circunferencial alrededor del eje O entre los dientes redondos que están adyacentes uno con el otro en la dirección de eje O en el grupo de dientes redondos. La garganta se extiende hacia la dirección de eje O, torciéndose gradualmente hacia la dirección circunferencial. El grupo de dientes con estrías y el grupo de dientes redondos se forman de manera integra en la circunferencia externa del cuerpo de brocha.