| 摘要 |
<p>A cutting tool and a holder-carrying tool which are capable of lowering the roughness of a surface to be finished (smoothing a surface), during a cutting process are disclosed. A cutting tool is provided on a side portion (on the side of a flank (9)) thereof with a flat drag (13), which is adapted to remove the ridges and valleys of a surface to be finished, extending between: a terminal end section at which a curved surface of a nose portion (7) terminates; and a flank (9). Namely, on the inner side of a tangent at the terminal end section of the curved surface of the nose portion (7), the flat drag (13) is provided in the range of a flat drag angle of 0<θ<5 DEG . A width (w) (viewed from the side of a rake face (3)) of this flat drag (13) is in the range of 0<w≤1.5 mm. <IMAGE></p> |
