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    • 2. 发明公开
    • CUTTING INSERT
    • 切割插入
    • EP1353771A1
    • 2003-10-22
    • EP01273483.6
    • 2001-12-26
    • ISCAR LTD.
    • SATRAN, AmirULIANITSKY, Daniel
    • B23C5/22
    • B23C5/2221B23C2200/125B23C2200/128B23C2210/168Y10T407/191Y10T407/23Y10T407/235
    • A generally square-shaped indexable cutting insert (10) with four cutting edges (20) for mounting in milling cutters (52, 54) for either slotting operations or for left-hand and right-hand face milling of right-angled corners in a metal workpiece. The cutting edge is parallel to the bottom surface (14) and has a primary cutting edge (26) extending between two wipers (24), each wiper being adjacent a corner edge (22). A first relief surface (34) adjacent the primary cutting edge has a first relief angle (x1) and a second relief adjacent the two wipers has a second relief angle (x2) that is greater than the first relief angle. The first relief surface has a width dimension measured perpendicularly to the cutting edge that has a minimum value proximal to the two wipers and a maximum value at a central region (42) of the cutting edge.
    • 一种具有四个切削刃(20)的大致方形的可转位切削刀片(10),用于安装在铣刀(52,54)中,用于开槽操作或用于左手和右手面铣削直角拐角 金属工件。 切削刃平行于底面(14)并且具有在两个擦拭器(24)之间延伸的主切削刃(26),每个擦拭器邻近角边缘(22)。 邻近主切削刃的第一后角表面(34)具有第一后角(x1),并且与两个擦拭器相邻的第二后角具有大于第一后角的第二后角(x2)。 第一后刀面具有垂直于切削刃测量的宽度尺寸,其具有接近两个擦拭器的最小值和切削刃的中心区域(42)处的最大值。