| 摘要 |
The invention relates to a face-milling insert, which comprises a chip-removing main cutting edge (3) adjacent to a first clearance surface (6), and a surface-wiping secondary edge (4) adjacent to a second clearance surface (7), the main cutting edge forming an angle of 45° with an imaginary straight line in the extension of the secondary edge. Adjacent to a third clearance surface (12), an intermediate cutting edge (11) is formed between the main cutting edge (3) and the secondary edge (4), which intermediate cutting edge is shorter than the main cutting edge (3) and forms an angle within the range of 20-40° with said extension line. The intermediate cutting edge (11) transforms into the adjacent edges (3,4) via arched part edges (13,14) adjacent to convex clearance surfaces (15,16). |
