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Abstract：
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The stator inner water jacket is one of the important parts of motor cooling system, and its strength and durability directly affect the life of cooling device. Then, based on the three-dimensional model of the stator inner water jacket for electric automobile, the hot pressing process of stator inner water jacket was simulated and analyzed by software Deform-3D, and the preliminary analysis of the heat-treated stator inner water jacket before forging the water jacket was conducted including the stress distribution of water jacket metal, internal defects, forming state and forming quality. By analyzing and studying the streamline characteristics of fiber structure on the surface of
pressing water jacket, the optimized design of water jacket sizes was realized by the simulation analysis. The research achieves the control of water jacket sizes and the optimization of its internal metal streamline, which avoids the surface crack of engine rotor under high-speed and high-temperature operation and improves the processing quality of automobile stator inner water jacket.
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Funds：
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国家重点研发计划（2016YFD0700900）；张家港市重点研发项目（ZKZ1906）
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AuthorIntro：
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王琪（1962-），男，博士, 教授，硕士生导师，E-mail：wqi003@126.com；通讯作者：朱鲲捷（1994-），男，硕士研究生，E-mail：987434700@qq.com
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Reference：
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