| 摘要 |
<p>A cutting insert is provided including at least four cutting edges, each cutting edge including a primary cutting edge (29a, 29b, 29c, 29d). Each primary cutting edge is associated with a respective different side (31a, 31b, 31c, 31d) surface of the cutting insert, each side surface having a respective rake surface (33a, 33b, 33c, 33d) and a clearance surface (57a, 57b, 57c, 57d). The clearance surface (57a, 57b, 57c, 57d) is of varying width.</p> |
