| 摘要 |
PROBLEM TO BE SOLVED: To provide a broaching method for saving useless time such as machining waiting, improving machining accuracy and being comparatively simply executed, in even an existing broaching machine. SOLUTION: This broaching method includes an idling process for eliminating bending of a support 20 accompanying cutting during one-stroke of a cutting tool 30 for performing broaching. It is better that the cutting tool 30 is started after stopping the cutting tool 30 in the idling process, releasing clamping of the support 20 or reducing pressure, and clamping again the support 20. It is desirable that a front stage in the idling process is made as a roughing process and a rear stage in the idling process is made as a finishing process. COPYRIGHT: (C)2010,JPO&INPIT
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