| 摘要 |
A cutting insert (14) comprising a cutting portion (24) and a locating porti on (26), the cutting portion (24) comprising a cutting edge (28) formed at the intersection of a rake surface (30) and a relief surface (32) ; an upper surface (34), a lower surface (36) and a peripheral side surface therebetwee n, the peripheral side surface comprising opposing forward and rear surfaces (3 8, 40) and opposing side surfaces (42) extending between the forward and rear surfaces (38, 40); the relief surface (32) being located in the forward surface (38) and the rake surface (30) being located in the upper surface (34); the locating portion (26) extends downwardly from the cutting portion (24) away from the upper surface (34); the locating portion (26) comprising opposing forward and rear locating surfaces (44, 46), the rear locating surface (46) being located in the rear surface (40) and the forward locating surface (44) being located in the lower surface (36) ; and a lower locating surface (48) located in the lower surface (36) and opposing the upper surfac e (34), and extending between the forward surface (38) and the forward locatin g surface (44). A cutting tool (10; 20) with such a cutting insert. |
