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Apparatus for welding motor-vehicle bodies

  • US 5,115,115 A
  • Filed: 01/31/1991
  • Issued: 05/19/1992
  • Est. Priority Date: 01/31/1990
  • Status: Expired due to Term
First Claim
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1. Apparatus for welding motor-vehicle bodies which have been assembled loosely beforehand, comprising:

  • a station for welding the body,a conveyor line for transporting the loosely preassembled bodies to the welding station,a plurality of locating devices arranged at the welding station for clamping the component parts of the body in the correct positions for welding, andwelding means provided at the welding station for welding the component parts of the body together after they have been clamped by the locating devices,in which the locating devices are supported by at least two pairs of locating frames movable along a predetermined path so as to be interchangeable rapidly at the working position according to the type of body located at the welding station to be welded, the locating devices of each pair of locating frames being suitable for a respective body type,wherein said welding means include at least one laser-welding robot and at least some of said locating devices each have an element for engaging said body, each element defining a through hole for allowing the passage of a laser beam output by a said welding robot and the focussing of said beam on the body to be welded.

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