B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 19/08 (2006.01) B02C 15/00 (2006.01) B22D 13/04 (2006.01) B22D 19/06 (2006.01)
Patent
CA 2201307
A method wherein wear inserts (16) made of highly wear-resistant material are arranged around the edge of a transportable mould (10) made of a material capable of withstanding temperatures of over 400 ~C, the mould (10) and the inserts (16) are preheated in a furnace, the mould (10) is quickly removed from the furnace together with the inserts (16) and placed on a rotating centrifugal casting machine, ductile cast iron (18) is cast therein, and the moulding is removed after cooling.
Le procédé consiste à dresser à la périphérie d'une coquille (10) transportable en un matériau résistant à une température d'au moins 400 ·C, des inserts (16) d'usure en un matériau à haute résistance à l'usure, à préchauffer la coquille (10) et les inserts (16) dans un four, à défourner rapidement la coquille (10) avec les inserts (16) et la placer sur une machine de coulée centrifuge qui est mise en rotation, à couler de la fonte ductile (18) et à démouler après refroidissement.
de Vylder Jean
Guerard Norbert
Gowling Lafleur Henderson Llp
Magotteaux International
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