FIELD: construction.
SUBSTANCE: hydro-sandblast punch comprises a housing with openings in which jet nozzles are installed, a movable bushing arranged in the housing, associated with a locking element connected to a movable rod, a seat of the locking element, mounted in a branch pipe connected to the housing. The movable rod is connected to a spring-loaded movable cup, in the butt part of which openings are made. In the openings of the movable cup, bushings are installed, fixed by means of a clamp. The jet nozzles are arranged along the housing in a spiral. A groove is made in the movable bushing, into which the end of the plug installed in the housing opening is inserted. The spring of the movable cup is separated from the movable rod by tubular elements.
EFFECT: improved operation reliability of a punch.
4 dwg
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