| 摘要 |
A hobbing cutter, comprising a tool body which is at least partially formed from a cutting material and has a through axial bore, bore portions at the ends of the axial bore, a shank body at either end of the tool body which has a portion adapted to be inserted into the bore portion so as to approximately fit therein, a radial flange adapted to abut on the front-end face of the tool body when the portion is seated in the bore portion as well as a shank portion on the side of the flange opposing the portion which is to be mounted in a machine tool wherein the shank bodies have an axial bore each containing a female-threaded portion which are in an opposed sense, and a clamping bar which is adapted to be inserted into and passed through the axial bores of the tool body and the shank bodies and the ends of which have a male-threaded portion each which interengages the associated female-threaded portion in such a way that if the threads are relatively rotated in a predetermined sense of rotation the shank bodies are drawn into the tool body and are tightened towards each other.
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