(19)
(11) EP 2 574 411 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
01.05.2013 Bulletin 2013/18

(43) Date of publication A2:
03.04.2013 Bulletin 2013/14

(21) Application number: 12186494.6

(22) Date of filing: 28.09.2012
(51) International Patent Classification (IPC): 
B22D 1/00(2006.01)
C22C 1/00(2006.01)
 B22D 17/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 30.09.2011 IT MI20111767

(71) Applicant: T.C.S. MOLDING SYSTEMS S.P.A.
21042 Caronno Pertusella (IT)

(72) Inventor:
  • Zanoletti, Marco
    21042 Caronno Pertusella (IT)

(74) Representative: Coloberti, Luigi et al
Coloberti & Luppi S.r.l. Patent department Via E. De Amicis, 25
20123 Milano
20123 Milano (IT)

   


(54) Rheocasting method and apparatus


(57) A rheocasting method and apparatus are disclosed for die-casting metal alloy pieces. A metal alloy in semi-solid state is injected into a mould (3) by a vertical die-casting system comprising a mixing device (10) and a rotating table (4) provided with injection units (5), each provided with a container (8) for preparing the metal alloy in semi-solid state and injecting the metal alloy in semi-solid state into the mould (3); the injection units (5) are transferred in sequence, with step forward movement, between a loading station (6), where each injection container (8) is filled with a liquid metal alloy which is then stirred mechanically and simultaneously cooled to a semi-solid state by the mixing device (10), an injection station (7) where the semi-solid alloy is injected into the cavity of a mould (3), and a station (6') for removing cast pieces.







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Search report