HYDRAULIC PULSATION STEP ACTION PRESS Russian patent published in 1998 - IPC

FIELD: machine engineering. SUBSTANCE: hydraulic pulsation step action pres includes housing and double-section toothed-vane hydraulic pulsator. Reversible drives providing mutually opposite motion of shaping units are mounted in said housing. One of said drives is in the form of translation hydraulic cylinder mechanism, another is in the form of oscillation hydraulic cylinder mechanism. Both said mechanisms are joined with hydraulic pulsator. Step motion unit of said translation mechanism includes flexible link. Hydraulic cylinder translation mechanism of one of said shaping units includes double-cavity hydraulic cylinder, hydraulic distributor, non-return valve and limit switches. EFFECT: improved design. 4 cl, 10 dwg