介绍了美式八角锤锤体精锻成形新工艺及其预锻模结构设计要点。
A description has been given to new process and important points of structure design of pre-forming die for precision forging U. S. A type of octagonal hammer with a practical die presented.
本研究可应用于圆柱工件之预锻及扣件旋转锻造，未来更可用于精微成形以减少晶粒尺寸大小。
In the near future, the rotating compression forming can be used in the micro-meso forming to reduce the grain size.
采用该系统对叶片精锻过程进行了三维反向模拟，获得了叶片叶身部分合理的预成形毛坯形状。
The blade precision forging process is simulated by the backward simulation system, and the reasonable preformed billet shape of blade body is obtained.
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