{"id":1939,"date":"2023-05-02T11:35:35","date_gmt":"2023-05-02T09:35:35","guid":{"rendered":"http:\/\/www.agrati.it\/?p=1939"},"modified":"2023-06-30T15:04:04","modified_gmt":"2023-06-30T13:04:04","slug":"eco-drive-system","status":"publish","type":"post","link":"https:\/\/www.agrati.it\/fr\/eco-drive-system\/","title":{"rendered":"ECO DRIVE SYSTEM appliqu\u00e9 aux machines de coul\u00e9e sous pression AGRATI AEE"},"content":{"rendered":"\n

Syst\u00e8me Eco Drive. Qu’est-ce que c’est et pourquoi est-ce important pour r\u00e9duire les co\u00fbts d’entretien des machines ? <\/p>\n\n\n\n

Agrati AEE srl est l’un des plus prestigieux fabricants italiens de machines de moulage sous pression en Europe.<\/p>\n\n\n\n

Le site de production d’AGRATI AEE est situ\u00e9 \u00e0 Bergame, \u00e0 quelques kilom\u00e8tres de Milan. Il s’appuie sur un savoir-faire de pr\u00e8s de 90 ans, sur des partenariats avec les meilleurs partenaires techniques mondiaux dans les domaines de l’\u00e9lectronique et de l’hydraulique, ainsi que sur ses propres technologies.<\/p>\n\n\n\n

Ces derni\u00e8res ann\u00e9es, en collaboration avec le leader mondial de la technologie hydraulique Parker Hannifin, AGRATI AEE a d\u00e9velopp\u00e9 le frein hydraulique innovant Eco Drive, une solution d’optimisation du processus de moulage sous pression qui am\u00e9liore \u00e0 la fois la productivit\u00e9 et la qualit\u00e9 du produit.<\/p>\n\n\n\n

COMMENT FONCTIONNE LE SYST\u00c8ME ECO DRIVE ?<\/h4>\n\n\n\n

Pour mieux comprendre le syst\u00e8me EcoDrive<\/a>, nous avons fait appel \u00e0 l’exp\u00e9rience d’Alessandro Betti, directeur des ventes d’AGRATI AEE, qui conna\u00eet la dynamique et les besoins des clients.<\/p>\n\n\n\n

\u00ab\u00a0Le syst\u00e8me EcoDrive fonctionne avec les vannes \u00e0 deux voies \u00e0 haute r\u00e9ponse de la s\u00e9rie TDP en combinaison avec un syst\u00e8me de contr\u00f4le de mouvement Compax3F, ce qui permet une dynamique et une pr\u00e9cision sans pr\u00e9c\u00e9dent.<\/p>\n\n\n\n

Cela contribue \u00e0 accro\u00eetre la productivit\u00e9, car les rejets sont r\u00e9duits \u00e0 un minimum absolu.<\/p>\n\n\n\n

La solution maintient la pression du syst\u00e8me \u00e0 un niveau bas et offre une protection contre les pics de pression et la cavitation r\u00e9sultant de la combinaison du c\u00f4t\u00e9 de la barre avec le dispositif de stockage par l’interm\u00e9diaire d’une soupape de s\u00e9curit\u00e9. Cela prolonge la dur\u00e9e de vie de tous les composants hydrauliques de la machine de moulage sous pression dans le syst\u00e8me.<\/p>\n\n\n\n

La r\u00e9cup\u00e9ration d’\u00e9nergie permet d’\u00e9conomiser jusqu’\u00e0 20 % de l’\u00e9nergie utilis\u00e9e par l’injection\u00a0\u00bb.<\/p>\n\n\n\n

Quels sont les AVANTAGES du syst\u00e8me d’injection ECODRIVE ?<\/h4>\n\n\n\n

Nous pouvons r\u00e9sumer tous les avantages du syst\u00e8me ECO DRIVE, poursuit Alessandro Betti, en les d\u00e9crivant comme suit :<\/p>\n\n\n\n

a) Les temps de r\u00e9ponse sont r\u00e9duits entre la commande et le mouvement du cylindre ;<\/p>\n\n\n\n

b) La VITESSE est atteinte avec moins d’ouvertures de soupapes ;<\/p>\n\n\n\n

c) L’ABSENCE de pics de pression est garantie : la pression maximale dans le circuit est maintenant celle de l’accumulateur (130 bar) ; auparavant, avec l’intervention du frein d’\u00e9chappement, des valeurs de 230 bar \u00e9taient \u00e9galement atteintes ;<\/p>\n\n\n\n

d) L’AUGMENTATION de la surface frontale du moule est garantie gr\u00e2ce \u00e0 l’absence de pics de pression ;<\/p>\n\n\n\n

e) Le TDP est plus long gr\u00e2ce aux avantages de l’ouverture plus petite ;<\/p>\n\n\n\n

f) Garantie d’un meilleur freinage et contr\u00f4le du cylindre d’injection ;<\/p>\n\n\n\n

g) R\u00e9duction du temps de charge de l’accumulateur gr\u00e2ce \u00e0 la r\u00e9cup\u00e9ration de l’huile \u00e0 l’\u00e9chappement ;<\/p>\n\n\n\n

h) Dans le r\u00e9servoir de la machine, il y a maintenant une r\u00e9duction des \u00e9mulsions parce que l’unit\u00e9 d’injection d\u00e9charge tr\u00e8s bas et \u00e0 basse pression ;<\/p>\n\n\n\n

i) R\u00e9duction de la taille du tuyau de drainage de l’unit\u00e9 d’injection ;<\/p>\n\n\n\n

j) Augmentation de la dur\u00e9e de vie de la pompe gr\u00e2ce \u00e0 la r\u00e9duction des \u00e9mulsions dans le r\u00e9servoir ;<\/p>\n\n\n\n

k) L’\u00c9CONOMIE D’\u00c9NERGIE gr\u00e2ce \u00e0 la r\u00e9duction des temps de chargement.<\/p>\n\n\n\n

Quels sont les cycles d’injection ?<\/h4>\n\n\n\n

L\u00e0 encore, nous pouvons utiliser des images explicatives, pr\u00e9cise Alessandro Betti.<\/p>\n\n\n\n

Cycle d’injection – premi\u00e8re phase<\/strong><\/p>\n\n\n\n

Figure 3 – Toutes les phases du cylindre d’injection sont r\u00e9alis\u00e9es sous accumulateur et contr\u00f4l\u00e9es par la valve TDP. Dans la premi\u00e8re phase, \u00e0 la sortie du cylindre d’injection, apr\u00e8s la cartouche de s\u00e9curit\u00e9 contr\u00f4l\u00e9e, l’huile n’est plus d\u00e9charg\u00e9e dans le r\u00e9servoir, mais retourne dans la ligne de pression de l’accumulateur.<\/p>\n\n\n\n

Cycle d’injection – deuxi\u00e8me phase<\/strong><\/p>\n\n\n\n

Figure 4- Dans la deuxi\u00e8me phase, lorsque la vanne TDA (TDP pour le circuit ferm\u00e9) est ouverte, l’huile s’accumule dans un transformateur de pression qui maintient la pression constante sur la ligne de refoulement, \u00e9vitant ainsi les pics de pression et les coups de b\u00e9lier. Une petite quantit\u00e9 d’huile est \u00e9vacu\u00e9e \u00e0 basse pression dans le r\u00e9servoir.<\/p>\n\n\n\n

Avec l’option suppl\u00e9mentaire de boucle ferm\u00e9e, il est possible de d\u00e9finir 8 plages de vitesse avec les rampes associ\u00e9es et 5 plages de r\u00e9glage de la pression.<\/p>\n","protected":false},"excerpt":{"rendered":"

Syst\u00e8me Eco Drive. Qu’est-ce que c’est et pourquoi est-ce important pour r\u00e9duire les co\u00fbts d’entretien des machines ? Agrati AEE srl est l’un des plus prestigieux fabricants italiens de machines de moulage sous pression en Europe. Le site de production d’AGRATI AEE est situ\u00e9 \u00e0 Bergame, \u00e0 quelques kilom\u00e8tres de Milan. Il s’appuie sur un […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[19],"tags":[],"class_list":["post-1939","post","type-post","status-publish","format-standard","hentry","category-non-classifiee"],"acf":[],"yoast_head":"\nECO DRIVE SYSTEM appliqu\u00e9 aux machines de coul\u00e9e sous pression AGRATI AEE - Agrati AEE srl<\/title>\n<meta name=\"description\" content=\"Eco Drive System prolonge la dur\u00e9e de vie de tous les composants hydrauliques de la machine de moulage sous pression dans le syst\u00e8me.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.agrati.it\/fr\/eco-drive-system\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ECO DRIVE SYSTEM appliqu\u00e9 aux machines de coul\u00e9e sous pression AGRATI AEE - 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