Sable céramique de coulée précise pour la fonderie
Le sable céramique est un sable de fonderie artificiel. Il est fabriqué à partir de bauxite calcinée. Il est donc résistant aux hautes températures. Et le sable céramique est un sable en forme de boule. Il est donc facile de se disperser dans les coins du moulage. Les applications du sable céramique ne comprennent pas seulement la fonderie de précision, le sable vert et le moulage au sable sans cuisson. Le sable céramique est également un sable de fonderie idéal pour une coulée précise.
L’application de sable céramique dans le processus de coulée de précision en moule coquille s’est développée rapidement ces dernières années. Du point de vue des pièces de fonderie, le sable céramique convient aux composants tels que les dents de godet des machines d’ingénierie, les pièces générales telles que la plomberie des vannes, les pièces automobiles et les pièces de quincaillerie d’outils. Selon le type de métal, le sable céramique fonctionne pour la fonte, l’acier au carbone coulé, l’ acier inoxydable, l’acier résistant à la chaleur et les alliages non ferreux. Du point de vue du processus de fonderie, il s’est étendu à diverses techniques telles que le moulage en sable, le moulage en métal et le moulage de précision. En adoptant du sable céramique pour la fonderie, il a obtenu de bons avantages économiques et environnementaux.
Du point de vue du processus de coulée, le processus de coulée de précision du moule en coquille de sable céramique a été largement utilisé dans les trois domaines suivants :
a. Remplacer partiellement le processus de moulage à la cire perdue. En particulier, certaines pièces de fonderie aux formes relativement simples et certaines pièces de fonderie nécessitant des noyaux ;
Le processus de moulage de précision du moule en coquille de sable en céramique de qualité B.Foundry est utilisé pour améliorer l’adaptabilité du processus à l’occasion où le moulage en coquille de sable de quartz était utilisé à l’origine;
c. Pour les petites pièces moulées en acier produites à l’origine par le processus de moulage ordinaire, afin d’améliorer la qualité des pièces moulées, de réduire la consommation de sable de moulage et d’améliorer l’efficacité de production des pièces moulées, un nouveau processus de moulage de précision avec moulage en coquille de sable céramique obtient un bon effet.
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