Rapid fabricating process of zinc alloy moulds based on vacuum casting process

Authors: Cao, C.1; Liu, H.J.2; Hao, Y.1

Source: International Journal of Cast Metals Research, Volume 22, Number 6, December 2009 , pp. 411-416(6)

Publisher: Maney Publishing

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Abstract:

A rapid fabrication process was developed by combining stereolithography prototype, silicone rubber mould and vacuum casting process for zinc alloy moulds. Transfer coating mould was introduced as casting moulds reproduced from silicone rubber moulds. Vacuum casting process was applied to improve filling ability of complicated mould with fine pattern surface. Vacuum reduces the gas counterpressure in the casting mould cavity and then improves the filling ability.

Keywords: RAPID TOOLING; VACUUM CASTING; MOULD; ZINC ALLOY; TRANSFER COATING MOULD

Document Type: Research article

DOI: 10.1179/174313309X436655

Affiliations: 1: Key Laboratory of Non-ferrous Metal Alloys, The Ministry of Education, Lanzhou University of Technology, Lanzhou, 730050, China 2: Key Laboratory of Non-ferrous Metal Alloys, The Ministry of Education, Lanzhou University of Technology, Lanzhou, 730050, China;, Email: hongjun_liu@hotmail.com

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