本文正是从实际应用的角度出发，来研究凸极同步电动机在起动过程中的电磁场和电机转子温升变化规律。
From the aspect of practical application, this paper studies electromagnetic fields and rotor temperature rise change of salient synchronous motor in the process of starting.
以凸台型热节为对象，采用ANSYS软件对铸造过程中由于型芯形成的热节进行分析。
Analysis of hot spot resulting from core during casting process was conducted by ANSYS software aiming at the boss hot spot.
优化了模具结构，同时也介绍了在冲压过程中凸、凹模易开裂采取的措施和方法。
Also introduced the measure of prevent the convex and concave die cracking in course of pressing.
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