Four-column vertical hydraulic equipment for casting and forging forming and hydraulic method

The invention provides four-column vertical hydraulic equipment for casting and forging forming and a hydraulic method, belongs to the field of hydraulic pressure, and solves the problem that the production cost is increased due to the fact that a variable-power oil pump needs to be used in order to...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU GUIPING, JI JIHUA, CHEN JU, ZHOU CHUNGUI, LIU HENGZE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS
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