FIELD: laser devices.
SUBSTANCE: invention relates to laser welding and equipment for it. Hand maneuverable gun contains laser beams, support column, an optical head to focus laser beam in welding zone, first arm mounted to support column and configured to press one of metal preforms in welding position. Arm being structured with an inner peripheral surface which defines an elongated tunnel configured with open upstream and downstream ends, the tunnel being configured to be axially traversed by laser beam, first axially flowing stream of pressurized gaseous medium and second axially flowing stream of gaseous medium. In addition, gun comprises first vacuum source communicating with outlet end of peripheral channel to extract first and second flows with welding waste from peripheral channel.
EFFECT: device for laser welding has been claimed.
26 cl, 10 dwg, 1 tbl
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