公开(公告)号：US20150375310A1

公开(公告)日：2015-12-31

申请号：US14316956

申请日：2014-06-27

Applicant: Kennametal Inc.

Inventor： Jean-Luc Dufour ,  X. Daniel Fang ,  David J. Wills ,  Kelvin G.L. Hobbs

IPC: B23C5/10

CPC classification number: B23C5/2221 ,  B23C5/1045 ,  B23C2200/165 ,  B23C2200/203 ,  B23C2200/205 ,  B23C2210/163 ,  B23C2210/168

Abstract: A ballnose cutting insert has a top face, a bottom face, a plurality of side clearance faces, a first nose corner, a second nose corner, and a first elongate cutting edge at the top face, a second elongate cutting edge at the top face, and a fastener bore with a center. There is a first open-end notch below the first nose corner, and a second open-end notch below the second nose corner. The first open-end notch is defined at least in part by a first generally planar engaging surface, and the second open-end notch is defined at least in part by a second generally planar engaging surface. The first generally planar engaging surface is disposed at a disposition angle relative to the second engaging surface, and the disposition angle is not equal to zero degrees. The first generally planar engaging surface is disposed from the center of the fastener bore a first abutment distance as measured along a line perpendicular to the first generally planar engaging surface. The second generally planar engaging surface is disposed from the center of the fastener bore a second abutment distance as measured along a line perpendicular to the second generally planar engaging surface. The first abutment distance is equal to the second abutment distance.

Abstract translation: 圆珠笔切削刀片具有上表面，底面，多个侧面间隙面，第一鼻角，第二鼻角和位于顶面的第一细长切割边缘，在顶面的第二细长切割边缘 和具有中心的紧固件孔。 第一个鼻角下面有一个第一个开口的凹口，第二个鼻角下方有一个第二个开口的凹口。 第一开口凹口至少部分地由第一大致平面的接合表面限定，并且第二开口凹口至少部分地由第二大致平面的接合表面限定。 第一大致平面的接合表面以相对于第二接合表面的配置角度设置，并且配置角度不等于零度。 第一大致平面的接合表面从紧固件孔的中心设置为沿着垂直于第一大致平坦的接合表面的线测量的第一邻接距离。 第二大体上平面的接合表面从紧固件孔的中心设置成沿着垂直于第二大体上平坦的接合表面的线测量的第二邻接距离。 第一邻接距离等于第二邻接距离。