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公开(公告)号:JP2012115978A
公开(公告)日:2012-06-21
申请号:JP2011182853
申请日:2011-08-24
Applicant: Mori Seiki Co Ltd , 株式会社森精機製作所
Inventor: TSUCHIMOCHI KOJI
CPC classification number: B23F5/22 , B23F17/006 , B23F23/08 , Y10T29/49476 , Y10T29/5155 , Y10T409/101749 , Y10T409/102067 , Y10T409/102226
Abstract: PROBLEM TO BE SOLVED: To provide a machine tool capable of surely preventing occurrence of phase shift between a hob and a workpiece when the tooth part of the workpiece is re-machined.SOLUTION: A machine tool 1 re-machines a workpiece after positioning drive motors 21 and 27, the hob H and the workpiece W by stopping the drive motors 21 and 27 in a state that the rotational positions of the drive motors 21 and 27, the hob H and the workpiece W are coincident with their respective zero positions. For this purpose, a drive control section 33 recognizes, based on the rotational-speed ratio of the drive motor 21 and the hob H and/or the rotational-speed ratio of the drive motor 27 to the workpiece W, and detection signals obtained from detection sensors 28 and 29 detecting that the rotational positions of the drive motors 21 and 27 are at their respective zero positions, detection signals when the rotational positions of the drive motors 21 and 27 and the rotational positions of the hob H and the workpiece W are coincident with their respective zero positions, and stops the drive motors 21 and 27 so that the rotational positions of the drive motors 21 and 27, the hob H and the workpiece W are coincident with their respective zero positions.
Abstract translation: 要解决的问题:提供一种能够确保在重新加工工件的齿部时能够防止炉床与工件之间发生相移的机床。 解决方案:机床1在通过在驱动马达21和27,滚刀H和工件W定位驱动马达21和27的旋转位置之后停止驱动马达21和27来重新加工工件 如图27所示,滚刀H和工件W与其各自的零位置一致。 为此,驱动控制部分33基于驱动马达21的转速比和滚刀H和/或驱动马达27与工件W的转速比,识别从 检测传感器28和29检测到驱动马达21和27的旋转位置处于其各自的零位置,当驱动马达21和27的旋转位置以及滚刀H和工件W的旋转位置为止的检测信号为 与其各自的零位置一致,并且停止驱动马达21和27,使得驱动马达21和27,滚刀H和工件W的旋转位置与它们各自的零位置一致。 版权所有(C)2012,JPO&INPIT
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公开(公告)号:JP5732350B2
公开(公告)日:2015-06-10
申请号:JP2011182853
申请日:2011-08-24
Applicant: DMG森精機株式会社
Inventor: 土持 幸次
CPC classification number: B23F5/22 , B23F17/006 , B23F23/08 , Y10T29/49476 , Y10T29/5155 , Y10T409/101749 , Y10T409/102067 , Y10T409/102226
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