期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：186
期号：5
页码：012016
DOI：10.1088/1755-1315/186/5/012016
语种：English
出版社：IOP Publishing
摘要：Impeller is characterized by complex curved face and extended application environment which cause traditional manufacture methods are unable to satisfy the high requirements for it. Thus investment casting is widely used for manufacturing the impeller on account of the high-accuracy of surface and dimension. Meanwhile, application of 3D printing in casting has been proved for promoting the efficiency. In this paper, the gating system for casting is numerical simulated by software Any Casting. As the result, side injection system is selected for its smooth filling of the casting cavity and less shrinkage porosity. In the process of manufacture, 3D printing of PLA impeller role is utilized as the rapid tooling(RT) to make excellent castings proceed from effective and economical consideration.
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