FIELD: process engineering.
SUBSTANCE: invention relates to high-pressure nozzle, in particular, to nozzle for removal of scale from steel parts, and to method of its fabrication. High-pressure nozzle incorporates jet straightener and feed channel extending to convergent outlet chamber with discharge hole. Note here that jet straightener has free flow section in the zone around feed channel central lengthwise axis while feed channel has stepped contraction with taper part and long permanent-diameter cylindrical part. Proposed method comprises sintering of raw stock of solid alloy powder.
EFFECT: longer life.
19 cl, 16 dwg
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