СПОСОБ СВАРКИ В СРЕДЕ ЗАЩИТНЫХ ГАЗОВ

摘要

FIELD: welding processes and equipment, namely gas-shield welding by means of consumable electrode. ^ SUBSTANCE: method is realized at using welding torch nozzle including body with inner protection coating and permanent magnet in the form of ring mounted on body. Protection coating is formed of magnetic liquid containing ferromagnetic powder, organic silicon compound and surface-active matter. ^ EFFECT: possibility for providing constant thickness of protection layer on inner surface of nozzle during welding process. ^ 2 dwg