| 摘要 |
PCT No. PCT/JP93/01089 Sec. 371 Date Apr. 1, 1994 Sec. 102(e) Date Apr. 1, 1994 PCT Filed Aug. 3, 1993 PCT Pub. No. WO94/03296 PCT Pub. Date Feb. 17, 1994.There is provided a broaching machine in which a first fitting portion to be fitted to a first end of the broaching shaft and a clamp for pressing the first fitting portion against the first end of the broaching shaft are provided at an end portion of the drive shaft, and a second fitting portion is formed at a front end portion of the support shaft so as to be fitted to the second end of the broaching shaft and is supported so as to be movable in an axial direction. A receptacle forming the second end of the broaching shaft is rotatable with respect to a main body of the broaching shaft. There is also provided a broaching machine in which a clamp bolt is threaded to the broaching tool body, an elongate hole is formed in a holder to which cutting segments of the broaching tool are mounted, and a press piece fitted to the clamp bolt is rotatable to engage the holder. Under this state, the holder is fixed to the broaching tool body by tightening the clamp bolt. A stopper member is provided for stopping the press piece at a rotary position at which the press piece is aligned with the elongate hole. When so aligned, the holder can be removed from the body of the broaching tool.
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