DIE CUSHION OF PRESS WORKING DEVICE

PROBLEM TO BE SOLVED: To provide a die cushion of a press working device which can be changed to a suitable cushion capacity corresponding to the size of a work and the size of the press die followed to the above. SOLUTION: In a cushion plate installed being able to be lifted on the lower side of a...

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Bibliographische Detailangaben
1. Verfasser:	SAGA KAZUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a die cushion of a press working device which can be changed to a suitable cushion capacity corresponding to the size of a work and the size of the press die followed to the above. SOLUTION: In a cushion plate installed being able to be lifted on the lower side of a lower die, an outside cushion plate 5a of a large area and an inner cushion plate 5b of a small area on the central part of this outside cushion plate 5a are installed, the outside cushion plate 5a and the inner cushion plate 5b are acted respectively and individually with cylinders 4a, 4b, 4c.