| 摘要 |
PURPOSE: An insert hob for cutting is provided to prevent damage to hobs and objects by accurately fixing each processing body without errors. CONSTITUTION: An insert hob for cutting comprises first and second processing bodies(30,60) and upper and lower covers(70,80). The first processing body comprises a first body(10) and a first processing unit(20). The second processing body is composed of a second body and a second processing unit. The first and second bodies have the first and second keys upon the inner side thereof, respectively. The first and second processing units spirally process the outer surface of the first and second bodies at 360°. The second processing body is coupled between the first processing bodies by a small bolt(3).
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