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    Indexable threading and turning insert with pressed-in-chip breakers
    1.
    发明公开
    Indexable threading and turning insert with pressed-in-chip breakers 失效
    Wendeschneidplatte mit Dreh- und Gewindeschneidabschnitten und eingeformten Spanbrechern

    公开(公告)号：EP0718062A1

    公开(公告)日：1996-06-26

    申请号：EP95117878.9

    申请日：1995-11-13

    申请人： VALENITE INC.

    发明人： Bernadic, Thomas ,  Wayne, Steven F.

    IPC分类号： B23B27/00 ,  B23B27/06

    CPC分类号： B23B27/1625 ,  B23B27/065 ,  B23B2260/1386 ,  B23B2270/16 ,  Y10T407/2268 ,  Y10T407/235

    摘要： An indexable threading and turning insert with integral pressed-in chip breakers, having a threading insert portion and a turning insert portion. Each of the threading insert portion and the turning insert portion has, respectively, an integral pressed-in chip breaker having ideal chip management characteristics. The indexable threading and turning insert has a substantially diamond shape having a first planar face, an opposite second planar face, and first, second, third and fourth insert faces extending between the first and second planar faces, wherein the threading insert portion is contiguous a first corner formed by intersection of the first and second planar faces and the turning insert portion is contiguous a second corner formed by intersection of the third and fourth insert faces, the second corner being located opposite the first corner. The threading insert portion is characterized by a first cutting edge formed at the intersection of the first insert face and a first land and a second cutting edge formed at the intersection of the second insert face and a second land. Each of the first and second cutting edges is provided with a plurality of noses separated by gullets. First and second integral, pressed-in chip breakers, each in the form of a raised island, the incident face contour thereof corresponding to the nose-and-gullet contour of the respective cutting edge adjacent thereto. Preferably, the incident face contour has scalloped portions adjacent the noses. The turning insert portion is characterized by third and fourth cutting edges located, respectively, at the intersection of a third land with the third and fourth insert faces, and at the intersection of a fourth land with the third and fourth insert faces. Third and fourth integral, pressed-in chip breakers, each in the form of a raised island corresponding to the contour of the respective cutting edge adjacent thereto, preferably having a double-stepped, wing backed shape in registry with respect to the second corner.

    摘要翻译： 一种具有整体压入式断屑器的可转位螺纹和车削刀片，具有穿线插入部分和转动插入部分。 每个穿线插入部分和转动插入部分分别具有理想的芯片管理特性的整体压入式断屑器。 可转位螺纹和车削刀片具有基本菱形形状，其具有第一平面，相对的第二平面，以及在第一和第二平面之间延伸的第一，第二，第三和第四插入面，其中穿线插入部分邻接 由第一和第二平面和转动插入部分的相交形成的第一拐角邻接由第三和第四插入面相交形成的第二拐角，第二拐角与第一拐角相对。 所述穿线插入部分的特征在于，形成在所述第一插入面和第一焊盘的交叉点处的第一切削刃和形成在所述第二刀片面与所述第二焊盘的相交处的第二切削刃。 第一和第二切削刃中的每一个设有多个由齿沟分隔开的鼻部。 第一和第二整体的压入式断屑器，每个都是凸状岛的形式，其入射面轮廓对应于与其相邻的相应切削刃的前齿轮轮廓。 优选地，入射面轮廓具有与鼻子相邻的扇形部分。 转动插入部分的特征在于分别位于第三平台与第三和第四插入面的交叉点处的第三和第四切削刃，以及在第四凸台与第三和第四插入面的相交处。 第三和第四整体的压入式断屑器，每个都是与相邻切割刃的轮廓相对应的凸起形状，优选地具有相对于第二拐角对准的双阶翼形翼形形状。