Development of a new surface treatment for the die in gravity casting process

Informations projet

N° de convention de subvention: BRST965083

Projet clôturé

Date de début 1 Février 1997

Date de fin 31 Janvier 1999

Financé au titre de

• Specific research and technological development programme in the field of industrial and materials technologies, 1994-1998

Coût total

Aucune donnée

Contribution de l’UE

Aucune donnée

Coordonné par

Fonderie la Rhondanienne SA
France

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Résultats exploitables

The development of a new surface treatment for the die in gravity casting process.

Metallic moulds used in foundries are dressed with a die coating which provides lubrications, mechanical and thermal protection. This product is liable to fall into disrepair because of mechanical, thermal and physicochemical strains. It is then necessary to dress the refractory periodically. This has many disadvantages such as premature destruction of the mould, lower productivity, loss of raw materials and bad working conditions. The research intended will aim at optimizing surface treatment as well as application techniques on the metallic mould. A pre-heating procedure concerning tools will also be defined to be used in the process to lower thermal strains. The new permanent coating will be tested in foundries to take into account the needs of end-users at an industrial scale. The social, industrial and environmental impacts are expected to be high. The new permanent die coating will enable an increased productivity of 7% and to obtain a higher standard of end-product. The refractory dressing operation which is very repetitive will then be eliminated.