自主设计了改进型ZL - 2超强脉冲电流发生装置，采用它实现了金属模具试件中裂纹的电磁热止裂。
The space crack arresting in metal die has been conducted on a new super-density pulse current generator model ZL-2 designed by author.
介绍了油孔螺塞拼接式热锻模具的设计及其应用效果。
Finally the design and application achievement of this hot forging die are described.
通过分析高强螺栓的成形工艺，对模具结构进行深入探讨，设计了一套热镦模。
Die structure was discussed through the analysis of forming process of high intension screw bolt and a set of hot upsetting tool was designed.
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