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公开(公告)号：US09796032B2
公开(公告)日：2017-10-24
申请号：US14655489
申请日：2013-12-26
申请人： TUNGALOY CORPORATION
发明人： Kedar Suresh Bhagath , Yuji Shinjyo , Isamu Saito
CPC分类号： B23F21/146 , B23C5/08 , B23C5/207 , B23C2200/0438 , B23C2200/128 , B23C2200/203 , B23C2200/367 , B23C2210/168 , Y10T407/1942 , Y10T407/235 , Y10T407/24 , Y10T407/245
摘要： A cutting insert includes a cutting edge having an involute-curve approximate shape. A cutting edge is formed so as to wholly take on a first curved shape with a first curvature radius when the cutting insert is viewed from the end surface, and is formed so that a large part of the cutting edge takes on a second curved shape with a second curvature radius when the cutting insert is viewed from the side surface.
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公开(公告)号：US09289835B2
公开(公告)日：2016-03-22
申请号：US13754483
申请日：2013-01-30
申请人： TUNGALOY CORPORATION
发明人： Yuji Shinjo , Isamu Saito
CPC分类号： B23F21/143 , B23C5/207 , B23C2200/086 , B23C2200/203 , B23C2200/367 , B23C2210/168 , B23F21/146 , Y10T407/2208
摘要： A cutting insert includes a first end surface, a second end surface located opposite the first end surface and an axis extending so as to penetrate the first end surface and the second end surface. The insert includes two first cutting edges with a curve shape on a first end surface side and two second cutting edges with a curve shape on a second end surface side. Each of the first cutting edges is formed on an intersecting ridge portion between the first end surface and a corresponding side surface portion so as to curve on a plane orthogonal to the axis. Each of the second cutting edges is formed on an intersecting ridge portion between the second end surface and the corresponding side surface portion so as to curve on a plane orthogonal to the axis.
摘要翻译： 切削刀片包括第一端面，与第一端面相对定位的第二端面和延伸以贯穿第一端面和第二端面的轴线。 插入件包括在第一端面侧具有曲线形状的两个第一切削刃和在第二端面侧具有曲线形状的两个第二切削刃。 每个第一切削刃形成在第一端面和相应的侧面部分之间的相交的脊部上，以在与轴线正交的平面上弯曲。 每个第二切削刃形成在第二端面和对应的侧面部之间的相交的脊部上，以便在与该轴线垂直的平面上弯曲。
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