| 摘要 |
A positive rake cutting insert with an integrally molded chipbreaker configuration is provided which comprises a cutting edge, a land area, first and second planar walls and a central face area. The top face configuration of the positive rake insert has a land area extending inwardly from the cutting edge and joining a fillet radius. The fillet radius extends inwardly and downwardly and joins a first planar wall which is also inclined downwardly toward the center of the insert. A second planar wall is inclined upwardly from the first planar wall toward the center of the insert and joins a central face area of the insert. |
