FIELD: process engineering.
SUBSTANCE: invention may be used in reconditioning and hardening of parts by roller electric contact welding with the help of ultrasound oscillations, as well as in roller welding of helical seams. Roller electrode loading mechanism allows creating permanent filler-to-blank hold-down force. System to excite ultrasound oscillations in workpiece comprises HF electric oscillations in workpiece and, at least, one electric oscillations-to-ultrasound oscillations converter connected to workpiece clamping mechanism to excite longitudinal oscillations therein. Said mechanism is equipped with two thrusts to clamp workpiece there between.
EFFECT: higher quality of welding.
4 cl, 1 dwg
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SU1042929A1 |
