| 摘要 |
<p>Cutting tool comprises an ultra-hard layer (14) recessed up to a support layer (16) directly behind a groove (26) and a guiding body (20) fixed in the recess on the support layer to be lifted over the ultra-hard layer and provided with a slanted or rounded guiding surface (22, 24). Preferred Features: The guiding surface of the guiding body has a steep rise in relation to the plane of the cutting edge (10).</p> |
