Double-sided indexable cutting insert and cutting tool therefor
    1.
    发明授权
    Double-sided indexable cutting insert and cutting tool therefor 有权
    双面可转位刀片及切削刀具

    公开(公告)号:US09289836B2

    公开(公告)日:2016-03-22

    申请号:US14151629

    申请日:2014-01-09

    申请人: Iscar, Ltd.

    摘要: A cutting insert having two end surfaces and a peripheral surface, the end surfaces located on opposite sides of a mid-plane, each end surface having three primary apexes and three secondary apexes. Six cutting portions are formed along the intersection of the peripheral surface and the end surfaces. Each cutting portion has a first cutting edge and a second cutting edge extending transversely thereto. A ramping cutting edge extends between the second cutting edge of each cutting portion and the first cutting edge of an adjacent cutting portion. The peripheral surface has a clearance surface extending from each of the second cutting edges towards the mid-plane. The abutment planes of the insert are parallel to the mid-plane. Each of the first cutting edges lies between an adjacent abutment plane and adjacent primary apex.

    摘要翻译: 具有两个端表面和外周表面的切削刀片,所述端表面位于中间平面的相对侧上,每个端表面具有三个主顶点和三个次级顶点。 沿着周面和端面的交点形成六个切割部。 每个切割部分具有横向于其延伸的第一切割边缘和第二切割边缘。 斜切边缘在每个切割部分的第二切割边缘和相邻切割部分的第一切割边缘之间延伸。 外周表面具有从每个第二切削刃朝向中间平面延伸的间隙表面。 插入件的邻接平面平行于中间平面。 每个第一切削刃位于相邻的邻接平面和相邻的主顶点之间。

    Reversible square-shaped cutting insert and rotary cutting tool

    公开(公告)号:US11583942B2

    公开(公告)日:2023-02-21

    申请号:US17392850

    申请日:2021-08-03

    申请人: ISCAR, LTD.

    IPC分类号: B23C5/20 B23C5/22 B23C5/06

    摘要: In a cutting tool rotatable about a tool axis, a reversible cutting insert is removably secured in a tool body. The cutting insert has opposing top and bottom end surfaces interconnected by a peripheral surface, and a median plane located therebetween. The peripheral surface includes four side surfaces alternating with four corner surfaces, the side and corner surfaces intersecting the top surface to form top major cutting edges and top corner cutting edges, respectively. Each side surface has a median surface and a top major relief surface. Each top major relief surface forms an acute internal top major relief angle with the median plane, and the median plane intersects the four median surfaces to define an imaginary median square. In a top end view of the cutting insert, the four top major cutting edges define an imaginary top major square rotationally offset from the imaginary median square.