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Preparation and Properties of Special Vehicle Cover via a Novel Squeeze Casting Quantitative Feeding System of Molten Metal

1
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
2
School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, China
3
Harbin First Machinery Group Co., Ltd., Harbin 150056, China
4
Beijing Benz Automobile Co., Ltd., Beijing 100176, China
*
Authors to whom correspondence should be addressed.
Metals 2020, 10(2), 266; https://doi.org/10.3390/met10020266
Received: 7 January 2020 / Revised: 13 February 2020 / Accepted: 15 February 2020 / Published: 18 February 2020
A quantitative feeding system of molten metal was designed based on a special vehicle cover, which achieved the quantitative transport of molten metal in a fully enclosed environment. There are lots of advantages of this novel device, such as improving the accuracy of the molten metal pouring, reducing the oxide inclusions defects, improving the quality of forming parts, etc. The numerical simulation of the casting process of filling mold was carried out based on the software ProCAST, which optimized the processing parameters of the quantitative feeding device. The result shows that the optimal movement speed of the punch piston is 0.08 m/s. The forming process of the aluminum alloy cover was designed and the process was conducted on the novel quantitative feeding device of molten metal. The structure and process performance of the forming parts were summarized and the defects were analyzed. The influence of technological parameters such as pouring temperature, filling speed, initial mold temperature, and feeding distance on the quality of forming parts was studied, which resulted in the optimum process parameters for the dosing device. View Full-Text
Keywords: 7075 aluminum alloy; squeeze casting; quantitative feeding system of molten metal; numerical simulation 7075 aluminum alloy; squeeze casting; quantitative feeding system of molten metal; numerical simulation
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MDPI and ACS Style

Qi, Y.; Chen, L.; Chen, G.; Li, K.; Li, C.; Du, Z. Preparation and Properties of Special Vehicle Cover via a Novel Squeeze Casting Quantitative Feeding System of Molten Metal. Metals 2020, 10, 266.

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