Patent ID: 6455801
Filing Date: 2002-09-24
Classification: B23K

Abstract:
A method for manufacturing a projection weld connection of an inner and an outer plate, said method comprising the steps of:providing an inner plate and an outer plate, the inner plate having formed therein an oblong-shaped projection in a location intended for the weld connection; placing the plates in juxtaposition to overlap one another, with a surface of the outer plate intended to form an exposed surface of the welded connection facing a fixed form receiver or jig; welding the plates together from the inside at a location of the projection with a movable welding head while applying a force of between 300 and 1800 Newtons and a pulse of current of about 15,000-50,000 Amperes for 1-10 milliseconds to a surface of the inner plate intended to form an inside surface of the welded connection.