CONTACT SEAM WELDING METHOD Russian patent published in 2019 - IPC B23K11/06 

FIELD: technological processes.

SUBSTANCE: method can be used for contact roller welding, mainly for thin-sheet structures. A central recess is made on the working surface of one roller electrode, and a central projection is made on the working surface of the other roller electrode. Roller electrodes are installed on the machine for contact seam welding opposite to each other so that recess on one roller electrode coincides with the ledge on the other roller electrode. Welded parts are assembled between each other, installed between roller electrodes and compressed by welding force. Welding current pulses are passed through contact zone of roller electrodes with welded parts with simultaneous rotation of roller electrodes.

EFFECT: method provides improved conditions for formation of a joint in contact zone of roller electrodes and parts to be welded.

1 cl, 1 dwg