Machine tool control systems
    3.
    发明授权

    公开(公告)号:US3561301A

    公开(公告)日:1971-02-09

    申请号:US3561301D

    申请日:1968-01-19

    Applicant: NAT RES DEV

    CPC classification number: B23Q15/00 Y10T82/25 Y10T82/2531 Y10T82/2541

    Abstract: A CONTROL SYSTEM FOR A MACHINE TOOL COMPRISING A MOTOR BY WHICH THE TOOL CAN BE MOVED RADIALLY TOWARDS AND AWAY FROM THE AXIS OF ROTATION OF A WORKPIECE AT SUCH A SPEED THAT IN USE THE TOOL CAN MAINTAIN THE CIRCULARITY OF THE WORKPIECE EVEN IF THE WORKPIECE IS SOMEWHAT ECCENTRIC FROM THE AXIS OF ROTATION, THE SYSTEM INCLUDING FIRST AND SECOND MEASURING GAUGES AND CONTROL MEANS FOR THE MOTOR ARRANGED TO COMBINE THE OUTPUTS OF THE FIRST AND SECOND GAUGES AND TO CONTROL THE MOTOR AND SO THE RADIAL POSITION OF THE TOOL IN SUCH A MANNER THAT THE DIAMETRICAL DISTANCE BETWEEN THE PART OF THE WORKPIECE OPPOSITE THE SECOND GAUGE AND THE PART OF THE WORKPIECE ACTED ON BY THE TOOL REMAINS SUBSTANTIALLY CONSTANT.

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