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    • 91. 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
    • 95. 发明公开
    • 브로치
    • 拉刀
    • KR1020140118811A
    • 2014-10-08
    • KR1020140033948
    • 2014-03-24
    • 미츠비시 마테리알 가부시키가이샤
    • 요시즈미나오키고바야시요시오고노겐스케
    • B23D43/04B23D37/04
    • B23D43/005B23D37/00B23D43/06Y10T407/16Y10T407/1671
    • The present invention relates to a broach capable of sufficiently increasing the machining accuracy of cutting. A plurality of cutting edges (3) that are arranged on an outer circumference of a shaft-shaped broach body (2) are provided with a spline teeth group (7), which contains a plurality of spline teeth (8) that groove a prepared hole of a work material, and a round teeth group (9), which is disposed in a different position from the spline teeth group (7) along an axis direction (O) and contains a plurality of round teeth (10) that machine an inner circumference of the prepared hole. At least one gullet (12) is formed to extend along the outer circumference of the broach body (2) in a circumferential direction around the axis between the round teeth that are adjacent to one another in the axis direction (O) in the round teeth group (9). The gullet (12) extends toward the axis direction (O), gradually twisting toward the circumferential direction. The spline teeth group (7) and the round teeth group (9) are formed integrally on the outer circumference of the broach body (2).
    • 本发明涉及能够充分提高切削加工精度的拉刀。 设置在轴状拉刀体(2)的外周上的多个切削刃(3)设置有花键齿组(7),其包含多个花键齿(8),所述花键齿 工件材料的孔,以及沿着轴线方向(O)设置在与花键齿组(7)不同的位置的圆齿组(9),并且包含多个圆形齿(10),其将 准备孔的内周。 至少一个齿槽(12)形成为沿圆周方向沿圆周方向沿圆周方向沿圆周方向(O)彼此相邻的圆齿之间的轴线延伸, 组(9)。 齿槽(12)朝向轴方向(O)延伸,朝向圆周方向逐渐扭转。 花键齿组(7)和圆齿组(9)一体形成在拉刀体(2)的外周。
    • 96. 发明公开
    • 브로치 공구 및 브로치 인서트
    • BROACH工具和BROACH插件
    • KR1020080047387A
    • 2008-05-28
    • KR1020087006365
    • 2006-09-12
    • 쎄코 툴스 에이비
    • 코스키넨요르마보리스트룀요르마아브도빅파야시트
    • B23D43/04B23D43/00
    • B23D43/04B23D2043/025Y10T407/16Y10T407/1628
    • The present invention relates to a broach tool and a broach insert for chip removing machining of metals. The broach tool comprises an elongate holder (11) and at least one cutting unit (12). The holder comprises at least one recess (35) for the receipt of the cutting unit. The broach tool (10) has a feeding direction (F). The broach tool (10) comprises clamping members (39, 45) for each cutting unit. Each clamping member (39, 45) is arranged in front of the cutting unit in the feeding direction (F). The cutting unit is a replaceable broach insert (12) comprising a base part and a cutting part. A notch (22) is formed centrally in a rear side surface (15) of the broach insert. The recess (35) comprises a rear wall (37) formed with a projection (40), the cross section of which is U-shaped and comprises arms (42). The arms are arranged to be elastically deformed by the notch (22).
    • 本发明涉及一种用于金属切屑加工的拉刀工具和拉刀刀片。 拉刀具包括细长的保持器(11)和至少一个切割单元(12)。 保持器包括用于接收切割单元的至少一个凹部(35)。 拉刀(10)具有进给方向(F)。 拉刀(10)包括用于每个切割单元的夹紧构件(39,45)。 每个夹紧构件(39,45)沿进给方向(F)布置在切割单元的前面。 切割单元是包括基部和切割部的可更换的拉刀插入件(12)。 凹槽(22)形成在拉刀插入件的后侧表面(15)中央。 所述凹部(35)包括形成有突起(40)的后壁(37),所述突起(40)的横截面为U形并且包括臂(42)。 臂被布置成通过凹口(22)弹性变形。
    • 97. 发明公开
    • 칩 제거 가공용 공구와 절삭 인서트
    • 刀具切割机切割刀具
    • KR1020080024072A
    • 2008-03-17
    • KR1020070091670
    • 2007-09-10
    • 산드빅 인터렉츄얼 프로퍼티 에이비
    • 헤스만잉에마르요한손오케
    • B23C5/02B23B27/04
    • B23D43/04B23B27/16B23B2210/02B23C5/20B23C2270/16B23D77/02Y10T407/16Y10T407/235
    • A cutting tool is provided to be equipped with a large number of cutting inserts per unit length without reducing ability of the tool to form and evacuate chips by forming a rear chip forming surface as well as a front chip forming surface in each cutting insert. A cutting tool comprises a basic body(1) and a plurality of cutting inserts(2) arranged in series one after the other, each insert including a topside, an underside, two opposite side surfaces, front and rear ends, and a cutting edge(7) adjacent to the front end. The rear end of a first cutting insert faces the front end of a second cutting insert disposed in rear of the first insert, and a chip space in front of the cutting edge of the second cutting insert is delimited by a chip-forming surface extending in the forward direction from the rear end of the first cutting insert, and a chip-forming surface extending downward from the cutting edge of the second cutting insert.
    • 提供了一种切割工具,其每单位长度装备有大量的切削刀片,而不会通过在每个切削刀片中形成后屑片形成表面以及前刀片形成表面来降低刀具形成和排出刀片的能力。 切割工具包括基本主体(1)和多个彼此串联排列的切削刀片(2),每个刀片包括顶侧,下侧,两个相对的侧表面,前端和后端以及切削刃 (7)邻近前端。 第一切削刀片的后端面对设置在第一刀片的后方的第二切削刀片的前端,并且第二切削刀片的切削刃前面的切屑空间由在其中延伸的刀片形成表面限定 从第一切削刀片的后端向前的方向,以及从第二切削刀片的切削刃向下延伸的切屑形成表面。