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    • 3. 发明公开
    • SPINDLE FOR MACHINE TOOL
    • ZAHNRADPRÜF-或研磨机
    • EP1237675A1
    • 2002-09-11
    • EP00982467.3
    • 2000-12-05
    • THE GLEASON WORKS
    • MCGLASSON, William, D.WRIGHT, David, A.ROBERTS, Michael, W.NORSELLI, Anthony, J.
    • B23F19/02G01M13/02
    • B23F23/006B23F19/02B23Q5/04B23Q11/0032
    • A spindle (60) for a machine tool comprising a rear spindle portion (62) and a forward spindle portion (64) with each of the rear spindle portion and the forward spindle portion being rotatable about the same axis relative to one another. The inventive spindle includes one or more spring elements (68) extending between the rear spindle portion and the forward spindle portion whereby with the forward spindle portion and the rear spindle portion rotating at a predetermined amount and with the rotation of the forward spindle portion being constrained at that amount, an additional rotation applied to the rear spindle portion results in a deflection of the springs thereby effecting a torque between the forward and the rear spindle portions. The present invention also includes a control method which has as its objective to control the position of, not the torque applied to, one of the spindles, usually the gear member spindle. In this method, the gear member spindle position is controlled relative to the pinion member spindle position by means such as computer numerical control (CNC). As the pinion member is turned at some speed, the gear member is kept in coordination with the pinion (according to their ratio) by the CNC control. The gear member spindle can be commanded to include additional rotational components which, in effect, advance or retard the gear rotation relative to the pinion.
    • 8. 发明授权
    • MACHINE FOR TESTING OR LAPPING GEARS
    • ZAHNRADPRÜF-或研磨机
    • EP1237675B1
    • 2005-05-11
    • EP00982467.3
    • 2000-12-05
    • THE GLEASON WORKS
    • MCGLASSON, William, D.WRIGHT, David, A.ROBERTS, Michael, W.NORSELLI, Anthony, J.
    • B23F19/02G01M13/02
    • B23F23/006B23F19/02B23Q5/04B23Q11/0032
    • A spindle (60) for a machine tool comprising a rear spindle portion (62) and a forward spindle portion (64) with each of the rear spindle portion and the forward spindle portion being rotatable about the same axis relative to one another. The inventive spindle includes one or more spring elements (68) extending between the rear spindle portion and the forward spindle portion whereby with the forward spindle portion and the rear spindle portion rotating at a predetermined amount and with the rotation of the forward spindle portion being constrained at that amount, an additional rotation applied to the rear spindle portion results in a deflection of the springs thereby effecting a torque between the forward and the rear spindle portions. The present invention also includes a control method which has as its objective to control the position of, not the torque applied to, one of the spindles, usually the gear member spindle. In this method, the gear member spindle position is controlled relative to the pinion member spindle position by means such as computer numerical control (CNC). As the pinion member is turned at some speed, the gear member is kept in coordination with the pinion (according to their ratio) by the CNC control. The gear member spindle can be commanded to include additional rotational components which, in effect, advance or retard the gear rotation relative to the pinion.