DEVICE FOR CONTROLLED SUPPLY OF FILLER ROD DURING ARC WELDING AND COMPLEX FOR ARC WELDING Russian patent published in 2020 - IPC B23K9/12 

FIELD: welding equipment.

SUBSTANCE: device for controlled supply of filler rod during welding by tungsten electrode in the medium of inert gas comprises main housing for retention of filler rod, feeding device (19) connected to the main body and configured to move the filler rod during welding, and a control unit including processor module (8), which is configured to generate a supply rate signal (Sv) and a control signal (Sa), which is a function of the welding voltage signal (Vs), and actuating module (14) connected to the feeder and configured to control said device in accordance with said supply rate signal (Sv) for controlling the feed rate of the filler rod, as well as with the possibility to control control device (4) connected to the welding tool electrode for the electrode forward/backward movement in accordance with the control signal (Sa). Complex for arc welding includes the above device for controlled supply of a filler rod.

EFFECT: use of the invention improves the quality of welded joints.

10 cl, 9 dwg