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Friction welding apparatus

  • US 5,558,265 A
  • Filed: 02/04/1994
  • Issued: 09/24/1996
  • Est. Priority Date: 02/04/1994
  • Status: Expired due to Term
First Claim
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1. A portable welding apparatus for fusion welding a given workpiece to a stationary member where the fusion weld process includes a burn-off phase, an upset phase and a fusion period, comprising:

  • a drive means adapted to produce a selected rotational speed in an axially disposed shaft;

    an actuator operatively engaged with said drive means comprising;

    a housing;

    means to translate the rotational motion of said shaft to the workpiece;

    movement means to urge the workpiece in an axial direction relative to the stationary member at a selected pressure for the burn-off phase and the fusion period;

    wherein said drive means and said actuator are operatively coupled via a quick disconnect assembly comprising a shaft coupling element, a coupler sleeve and a housing element, where said shaft coupling element, when in an engaged position, is slidably disposed within the coupling sleeve which in turn is slidably disposed within the housing element;

    a support removably engageable to said actuator housing and adapted to hold the stationary member in a fixed axial relationship relative to said workpiece; and

    control means to selectively regulate the duration of the burn-off and upset phases and the fusion period.

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