A blade is one of the most important mechanical components in aviation engine, precision forging is a tendency of development of blade forging technology.
叶片是航空发动机中一类量大面广的重要零件，叶片精锻是叶片锻造的主要发展趋势。
Since the structure of blade is complex and the forming precision is very high, the precision forging die becomes one of the advanced technologies used in aeroengine manufacture.
叶片形状复杂，零件成形精度高，采用精锻技术生产叶片是航空发动机生产企业采用的先进制造方法之一。
The blade precision forging process is simulated by the backward simulation system, and the reasonable preformed billet shape of blade body is obtained.
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。
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