HYDRAULIC PRESS CONTROL SYSTEM

摘要

FIELD: mechanical engineering; hydraulic press control systems. SUBSTANCE: hydraulic press control system includes hydraulic distributors of power hydraulic cylinders, program carrier drive with toothed rack on rod, metering device with control hydraulic distributor in hydraulic line connecting the hydraulic distributors of power hydraulic cylinders and program carrier drive. Besides that, control system includes safety and check valves, camshaft with cams for control of hydraulic distributors of power hydraulic cylinders which is connected with toothed rack of program carrier drive. Rod chamber of metering device is connected with program carrier drive via safety valve and with control hydraulic distributor of metering device via check valve; check valve is four-way valve for communication with both chambers of metering device and hydraulic distributors of power hydraulic cylinders. EFFECT: enhanced efficiency and reliability. 1 dwg