FIELD: equipment for welding on immobilized round solid blank to object with use of ultrasound.
SUBSTANCE: apparatus includes ultrasonic cantilever with annular welding surface and abutment with working surface for immobilization of round solid blank. Said working surface being means for supporting central region of round blank at welding operation and it includes vacuum chamber restricted by one side of round solid blank. Working surface in central region is subjected to centering countersinking in such a way that to arrange relief pattern provided in central region of blank. Working surface of abutment is provided with annular sealing.
EFFECT: possibility for preventing damage of central region of round blank.
3 cl, 10 dwg
