The theoretically calculating results are compared with those of experiment and the optimum die Angle in nosing process is proposed.
对刚塑性有限元计算的结果与试验结果进行比较，并提出缩口的最佳模角。
The article mainly introduces the theoretically calculating formula of honeycomb coal die_forming machine productivity and motor power.
介绍了冲压式蜂窝煤机的生产率和电机功率的理论计算公式。
Analyzing the reasons of semi-steel cold ingots crack occurred in heating and theoretically calculating heating speeds of semi-steel cold ingots, a practical curve of heating process is worked out.
通过分析半钢冷锭加热裂纹产生原因，以及对半钢冷锭加热速度进行理论计算，制订了切实可行的加热工艺曲线。
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