| 摘要 |
<p>Provided is an exchangeable tool edge cutting tool in which a cutting insert can be fixed to the body without using a fastening member such as a screw. For this purpose, a fixing projection (12) is provided on the cutting insert (10) while an insert-fixing section (21) for installing the cutting insert (10) is formed on the body (20). The insert-fixing section (21) is provided with a fixing hole (22), which is for accepting the fixing projection (12) and fixing the cutting insert (10) at a specified rotational position that has the fixing projection (12) as the rotational axis, and rotation-preventing walls (23a, 23b), which are formed on the rotational path of the cutting insert (10), the rotational path having the fixing projection (12) as the rotational axis, to prevent rotation of the cutting insert (10) and lock same at the specified rotational position.</p> |
