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Device for machining workpieces, in particular aeronautical parts manufactured from solid blocks of raw material

  • US 8,100,613 B2
  • Filed: 12/31/2007
  • Issued: 01/24/2012
  • Est. Priority Date: 07/30/2007
  • Status: Expired due to Fees
First Claim
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1. A device for machining workpieces having a bottom wall and at least one stiffening wall transverse to the bottom wall, said device comprising:

  • a tool head equipped with at least one transmission component drivable in rotation about a longitudinal axis of the at least one transmission component, the at least one transmission component having a first portion connectable rotatably to a drive of a machine, and a second portion associated with the end of the first portion opposite to the end connected to the machine;

    at least one tool able to pierce the transverse stiffening wall, connected operatively to the second portion of the at least one transmission component and rotatable by the selfsame at least one transmission component about a longitudinal axis of the at least one tool extending transversely to the longitudinal axis of the at least one transmission component, in such a way that the at least one transverse stiffening wall can be pierced at a point adjacent to the bottom wall; and

    an arrangement by which to sense the bottom wall of the workpiece, including at least one feeler element, hinged about a respective pivot axis to the tool head and projecting from the tool head at the end of the tool head remote from the first portion of the at least one transmission element, in such a way as will maintain the at least one tool a prescribed distance from the bottom wall when the at least one tool is performing the piercing of the at least one transverse stiffening wall, the sensing arrangement also including at least one sensor for detecting a position of the at least one feeler element and triggering an interruption in movement of the tool head toward the bottom wall of the workpiece.

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