DEVICE FOR DIFFUSION WELDING Russian patent published in 2014 - IPC B23K20/06 B23K28/00 

FIELD: metallurgy.

SUBSTANCE: proposed device comprises vacuum chamber, table and pressure applicator with rod. It is equipped with bank of capacitors with electrodes and the set of concentric metal rings with retention electromagnet. Closing electrodes are arranged in vacuum chamber in pairs at different height from the table. Metal rings are fitted by their ends one into another and feature different diameters with possibility of free fall and electrical closure with appropriate electrodes. Note here that electrodes at maximum height from the table are located at minimum spacing and with possibility of closure with falling maximum-diameter metal ring.

EFFECT: enhanced performances, higher strength of welds.

1 dwg