DEVICE FOR PREVENTING PRESSURE OF HYDRAULIC DIE CUSHION FROM RAISING

PROBLEM TO BE SOLVED: To prevent the impact from generating between a die cushion pin and a die cushion pad at the point of time that upper and lower dies attached on a press machine are begun to draw. SOLUTION: A pressure regulating device is installed on a hydraulic die cushion cylinder 2. This pr...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HORIGUCHI YUKIHIRO
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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