WELDING WIRE IMPULSE FEEDER

摘要

FIELD: mechanical engineering; automatic and semiautomatic gas shielded arc welding of thin walled structures. SUBSTANCE: device has housing 1, grip 18, welding wire clamp 22, drive with chamber filled with compressed shielding gas. Spring-loaded valve 12 is installed additionally on drive. Device to provide instant opening and closing of hole is installed on end of valve. Hole is made in movable wall of drive chamber formed by movable wall and fixed wall connected by corrugated member 4. EFFECT: uninterrupted feeding of welding wire to zone of welding. 4 cl, 1 dwgo