The results show that during the forming process there exists the change of deformation mode, which is mainly determined by geometrical parameter of die;
结果表明：成形过程中存在着变形模式的转换，而模具参数是其决定性因素；
The results show that the billet could be quickly heated to forming temperature. During the forming process, the billet cooling rate effectively decreases.
结果表明，该模具结构可以在短时间内将锻件加热到成形温度，并在成形过程中降低锻件的冷却速度。
Understanding the deformation conditions, the value and distribution of the parameters in press parts during the forming process are very important to the design of technology and dies.
了解冲压件在成形过程中的变形状况及其有关状态参数的数值与分布状况对于工艺设计和模具设计是十分重要的。
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