Patent ID: 7199326

Claim:
A method for positioning an electrode by correcting an inclination of the electrode relative to surfaces of workpieces to be spot-welded together, the method comprising the steps of: providing a jig including an attaching portion for temporarily attaching to the workpiece, a positioning portion disposed in parallel to a central axis of the attaching portion and offset from the central axis, and an interconnecting portion interconnecting the attaching portion and the positioning portion; temporarily attaching the attaching portion to that part of a workpiece surface which is to be spot-welded; setting the electrode on the interconnecting portion to bring a central axis of the electrode into coincidence with the central axis of the attaching portion; correcting the inclination of the electrode with reference to the positioning portion to direct the electrode perpendicularly to the surface of the portion of the workpiece; removing the jig from the workpiece; and advancing the electrode into contact with that part of the workpiece surface which is to be spot-welded.