The forming technology oft he upper body center plate in hot die forging and the characteristic of the die structure have been introduced with the analysis on the forming process.
从分析上心盘的成形过程出发，介绍了上心盘热模压成形工艺及模具特点。
The numerical simulation of hot die forming process for upper core plate stock in railway was done.
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。
Usually feasibility of cold bend and hot-forming of plate for pressure vessel is tested by experiment in the article, it's described unitedly in theory and experiment.
压力容器板材冷热弯卷的可行性问题，过去一般通过纯实验来测定。
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