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METHOD OF FRICTION WELDING AND FRICTION WELDED PART WITH AT LEAST TWO FRICTION WELD POINTS

  • US 20090220820A1
  • Filed: 01/06/2009
  • Published: 09/03/2009
  • Est. Priority Date: 02/29/2008
  • Status: Abandoned Application
First Claim
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1. A method of friction welding a first part to a second part to produce a component having a hollow space formed in the component, comprising the steps of:

  • arranging a contact area of an internal connection surface of the first part to be welded with respect to an internal connection surface of the second part and arranging an external connection surface of the first part to be welded relative to the second part to be welded so that they form an unsymmetrical contact area, andproducing a friction welded connection between said connection surfaces of the first and second parts so that a friction weld bead resulting therefrom is at least predominantly located outside of the hollow space.

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