Review of production status of heavy steel castings and key technologies for their manufacture in China |
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Authors: | Kang Jinwu Huang Tianyou Liu Baicheng |
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Affiliation: | Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, P. R China, Department of Mechanical Engineering,Tsinghua University, Beijing 100084, China |
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Abstract: | This paper expatiates on domestic status of heavy steel casting production, with a special focus on hydraulic turbine castings for Three Gorges Project. In China, there is magnificent demand for heavy castings with the rapid growth of the national economy in recent years and the expected high growth in the coming 10 to 20 years. Some heavy and large castings such as mill housing and hydraulic turbine runner crown, blade and band for Three Gorges Project have been successfully made. However, the domestic production capability is still far from meeting the gigantic requirements. The domestic capability still lags behind the world class level, and a lot of heavy castings still depend on import. The paper also gives a particular introduction of the key technologies in the manufacturing of heavy steel castings like metal melting, foundry technology, heat treatment technology and numerical simulation technique, etc.In addition, several case studies on the application of numerical simulation in the production of heavy steel castings are presented. |
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Keywords: | heavy steel casting numerical simulation foundry technology |
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