| 摘要 |
Herein a turning tool cutting insert (2) is disclosed. A rake face (16) of an insert body (4) comprises a primary land extending along a first cutting edge (12). The primary land comprises a first primary land portion (32) adjacent a linear edge portion (26), and a second primary land portion (34) adjacent a central portion (36) of the corner edge portion (24). The first primary land portion (32) differs from the second primary land portion (34). A transitional primary land portion (38) adjoins the first primary land portion (32) and the second primary land portion (34), and forms a transition between the first primary land portion (32) and the second primary land portion (34). The transitional primary land portion (38) is arranged only adjacent an outer portion (40) of the corner edge portion (24). Further a turning tool comprising a turning tool cutting insert (2) is disclosed. |
