公开(公告)号：EP3593928A1

公开(公告)日：2020-01-15

申请号：EP18182674.4

申请日：2018-07-10

申请人： AB Sandvik Coromant

发明人： SCHMITT, Jeremy ,  SARTON, Yannick ,  UZENOT, Hervé

IPC分类号： B23C5/22 ,  B23C5/10 ,  B23C5/20

摘要： The present invention relates to a tangential cutting insert (1) for a milling tool, the tangential cutting insert (1) comprising two opposing main surfaces (2, 3) having a triangular shape and three identical side surfaces (4) extending between the main surfaces (2, 3), wherein the tangential cutting insert (1) includes at least three identical and indexable major cutting edges (5) formed at the intersection of at least one of the main surfaces (2, 3) and the three identical side surfaces (4). Each side surface (4) includes three flat support surfaces (6, 7, 8) being recessed in relation to the major cutting edge (5) and arranged one after another in a longitudinal direction (9) of each side surface (4), wherein a first flat support surface (6) is disposed at a centre of each side surface (4) and is forming the lowermost recessed support surface (6) in relation to the major cutting edge (5), wherein second and third flat support surfaces (7, 8) are located on opposite sides of the first flat support surface (6) and extend at an obtuse angle (β) with the first flat support surface (6). In addition, the invention relates to a milling tool (11) having a plurality of insert seats (13) configured to receive the tangential cutting insert (1).