FIELD: process engineering.
SUBSTANCE: invention relates to gas laser cutting of composite materials. Proposed method comprises feeding laser beam to machined surface and process gas, aligned therewith, collimating laser beam, embedding it in machined article and displacing by preset program in the presence of process fluid. Fluid jet is fed as swirled coaxially with laser beam into cutting thermal effect zone. Proposed device comprises laser cutter case wit focusing lens, union to feed process gas, nozzle, and cylindrical vessel with annular channel to feed process fluid. Said annular channel incorporates hollow tapered adapter with inner surface representing helical grooves to swirl fluid flow.
EFFECT: higher quality of cutting.
4 cl, 3 dwg
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