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对铁路用上心盘热模压成形过程进行了数值模拟分析，得到了上心盘成形过程的应力场、应变场。对在实验中工艺参数选择及模具修正起到了重要指导作用
The hot forming process of the rail with the center plate was simulated and the stress field and strain field of the centering plate were obtained. The experimental parameters in the process of selection and mold correction played an important guiding role