Stud welding method

Details Stud welding method Stud welding method

B - Operations, Transporting

23

K

B23K 9/00 (2006.01) B23K 9/20 (2006.01)

Patent

CA 2102543

ABSTRACT: Structure: A welding method comprises placing the end of a stud supported by a welding gun on a welding portion of a workpiece, producing an arc discharge across the stud and the workpiece, melting the end of the stud and a portion of the workpiece and bringing the end of the stud so as to abut on the melted portion of the workpiece. A hollow cylindrical member 21 is prepared so that the material has a larger inside diameter than an end 20 of a stud 19 and is made of a magnetic permeable material is prepared. During the arc discharge, the cylindrical member 21 is placed so that the hollow portion is positioned on the side of the workpiece opposite to the stud and corresponding to the end of the stud.

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