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ORBITAL CUTTING APPARATUS CAPABLE OF FREELY AND SELECTIVELY CONTROLLING PLURALITY OF CUTTING TOOLS WITHIN ROTATING BODY BY USING ROTATIONAL SPEED RATIO

  • US 20170259357A1
  • Filed: 10/12/2015
  • Published: 09/14/2017
  • Est. Priority Date: 10/13/2014
  • Status: Active Grant
First Claim
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1. An orbital cutting apparatus that is capable of freely and selectively controlling a plurality of cutting tools within a rotary body using a rotational speed ratio, the orbital cutting apparatus comprising:

  • a spindle rotating unit coupled to any one surface of a main body so as to rotate (C axis);

    a plurality of tool units coupled to reciprocate (X axis) toward a center of the spindle rotating unit on a front surface of the spindle rotating unit so as to cut a clamped material in an orbital manner;

    a relative movement unit coupled to the main body on an opposite side to the spindle rotating unit to he rotatable in synchronization with the spindle rotating unit, and configured to transmit a power to the plurality of tool units so as to cause the tool units to reciprocate;

    connection gears respectively formed at ends of driving shafts of the tool units so as to be selectively engaged with the relative movement unit so as to receive a power of the relative movement unit;

    an operation unit configured to cause a connection gear selected among the connection gears to be engaged with or be disengaged from the relative movement unit; and

    a control unit configured to control movements of the spindle rotating unit and the relative movement unit.

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