F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 13/04 (2006.01) B21D 28/20 (2006.01) B23D 15/14 (2006.01) B30B 9/32 (2006.01) B30B 15/16 (2006.01) F15B 11/024 (2006.01) F15B 11/028 (2006.01) F15B 11/044 (2006.01) F15B 21/10 (2006.01) F15B 21/14 (2006.01)
Patent
CA 2486736
The invention relates to hydraulic control in a hydraulic system for the operation of a machine tool such as a press for processing material of a certain type, especially for the operation of the scrap cutters. Said control allows for impact attenuation and combined rapid motion switching with load compensation and transfer of a hydraulic medium of a hydraulic cylinder for the movement of the other. According to the invention, said control comprises hydraulic media of a hydraulic cylinder for pre-control of a first main valve element (2.4.0), a second main valve element (2.7.0) and a third main valve element (3.7.0) which are functionally combined and a fourth valve (2.5).
L'invention concerne une commande hydraulique dans un système hydraulique, destinée au fonctionnement d'une machine-outil telle qu'une presse pour le traitement de matériaux de type quelconque, en particulier au fonctionnement d'une cisaille à ferraille, laquelle commande remplie les fonctions d'amortissement du choc, de commutation en marche rapide liée à la compensation de charge et de transfert du fluide hydraulique d'un cylindre hydraulique pour un mouvement de l'autre. Selon la présente invention, cette commande comprend notamment des moyens hydrauliques pour le pilotage d'un premier élément à soupapes principal (2.4.0) ; un deuxième élément à soupapes principal (2.7.0) et un troisième élément à soupapes principal (3.7.0) fonctionnellement combinés ainsi qu'une quatrième soupape (2.5).
Klother Andreas
Post Karl-Heinz
Macrae & Co.
Metso Lindemann Gmbh
LandOfFree
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