在综合分析国内外现有闭塞模锻模架的基础上，研制出了双冲头作用式闭塞模锻液压模架。
Based on the summarization of the die-sets for flashless-die-forging at home and abroad, double-action hydraulic die-sets for the flashless-die-forging were developed.
闭式模锻能生产高度复杂和精确的零件，而且表面光洁度要比不用闭式锻模的更传统方法好。
Closed-die forging can produce components of greater complexity and accuracy, with a better surface finish than the more traditional methods not using closed dies.
从锻件的材质、锻造工艺参数、锻模温度、热处理工艺参数四个方面，阐述了铝合金模锻件粗晶缺陷的产生原因及消除措施。
The article discusses causes and eliminated measures of aluminium alloy die forgings crassitude crystal from four sides of component, technical parameter, temper of die and heat treatment.
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