FIELD: apparatuses for laser working.
SUBSTANCE: jet includes body 1, insert 2 and branch pipe 3 for feeding gas-powder mixture into annular gap "a" between body 1 and insert 2. The last is in the form of circular truncated cone and it has ducts "b" along cone generatrices whose axes 4 cross inside jet in point O. In annular gap "w" ring 5 is placed; inner surface "c" of said ring is formed by means of circular cone. Base "d" of circular cone is combined with base of insert 2. Branch pipe 3 for feeding gas-powder mixture is mounted tangentially relative to inner surface "c" of ring 5.
EFFECT: improved design providing uniform feed of powder to welding zone, increased factor of using powder, possibility for receiving the same welded bead at any motion direction of part.
2 cl, 3 dwg, 1 ex
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