FIELD: machine building.
SUBSTANCE: invention relates to compression-vacuum impact machine. Impact machine contains housing, striker, together with housing forming forward and reverse stroke chambers, and source of working medium, electrically connected to control unit first input. Electrically driven valve is connected with reverse stroke chamber, made with possibility to supply, termination of working medium supply into reverse stroke chamber from working medium source and used working medium discharge and electrically connected to control unit second input. Forward stroke chamber is equipped with electric valve, made with possibility of supply, termination of working medium supply into forward stroke chamber from working medium source and used working medium discharge and electrically connected to control unit third input.
EFFECT: result is increased frequency and energy of impacts, simplified design.
3 cl, 3 dwg
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