(19)
(11) EP 2 871 009 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.05.2015 Bulletin 2015/21

(43) Date of publication A2:
13.05.2015 Bulletin 2015/20

(21) Application number: 14190401.1

(22) Date of filing: 27.10.2014
(51) International Patent Classification (IPC): 
B22C 7/02(2006.01)
 B22C 9/04(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: 08.11.2013 US 201314075094

(71) Applicant: General Electric Company
Schenectady, New York 12345 (US)

(72) Inventor:
  • Hu, Zhaoli
    Greenville, SC 29615 (US)

(74) Representative: Bedford, Grant Richard 
GPO Europe GE International Inc. The Ark 201 Talgarth Road Hammersmith
London W6 8BJ
London W6 8BJ (GB)

   


(54) Laser assisted casting and related system


(57) Various embodiments include methods and related systems for laser-assisted casting. Some embodiments include a method including: performing P2 laser ablation to a preliminary wax casting model 6 to form a modified wax model 8 including at least one additional feature 10 absent from the wax casting substrate; coating P5 the modified wax model 8 to form a mold shape around the modified wax model 8; and removing P6 the modified wax model 8 to leave a casting mold 24 including the at least one additional feature 10.







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