Die cushion drive and method for operating a die cushion drive

The die cushion drive (1) has electric machine (5) for driving pump (8), and hydraulic cylinders (3,4) having chambers (21-24). The pump feeds chambers of the hydraulic cylinders. The hydraulic cylinders are mechanically connected to die cushion (2). An independent claim is included for method for d...

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Bibliographische Detailangaben
Hauptverfasser:	Schäufele, Stephan, Knoche, Frank, Kurz, Johannes, Schlegel, Oleg
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The die cushion drive (1) has electric machine (5) for driving pump (8), and hydraulic cylinders (3,4) having chambers (21-24). The pump feeds chambers of the hydraulic cylinders. The hydraulic cylinders are mechanically connected to die cushion (2). An independent claim is included for method for driving die cushion drive.