Device for marking weld position for nut on workpiece has centering plug and marking ring(s) in form of adhesive ring; centering plug has cylindrical centering section matching recess

摘要

The workpiece (12) has a circular recess (14) and the nut is to be welded to the workpiece concentrically with respect to the recess. The device (10) has a centering plug (18) and at least one marking ring (24) in the form of an adhesive ring. The centering plug has a cylindrical centering section (22) whose external diameter matches the internal diameter of the circular recess. AN Independent claim is also included for the following: a method of marking a weld position.