分析了粉末烧结材料镦粗和复压工艺的致密效果，提出了闭式模锻工艺设计原则。
The densification effects of upsetting and repressing are compared, and a technology design principle for closed die forging is suggested .
结果表明，闭式精密模锻工艺的新方法是十分有效的。
The results have shown that the new way of precision die forging is very efficient.
而且，对于闭式模锻工艺而言，坯料尺寸直接影响模锻工艺的顺利进行。
And as for the closed die forging, billet size will affect the process directly.
结果表明，闭式精锻工艺的新方法是十分有效的。
The results shown that the new way of precision die forging is very efficient.
叙述了闭式模锻工艺的实质、特点、方式及模具型式，列举了典型的闭式模具结构图。
The article has described substance, characteristic, methods and die types of flasless die forging technology, and it has list the typical die construction figures of flasless die forging.
最后，给出带盲孔的轴对称锻件的闭式模锻工艺设计的一般性指针。
At the end, some general instructions for the process design of flash die forging of axisymmetric gear blanks with blind hole were suggested.
针对大吨位离合器式螺旋压力机(主要指吨位在25MN以上的压力机)的开发前景及应用情况，作出了一些具体分析，以推动该类设备在模锻工艺上的广泛应用。
Specific analysis of developing prospect and application of clutch type spiral press with heavy duty (25mn or more) has been done to promote application spread in die forging process.
结果表明，闭式挤锻工艺的新方法是十分有效的。
The results shown that the new way of closed extrusion-die forging technology is very efficient.
结果表明，闭式挤锻工艺的新方法是十分有效的。
The results show that the method of the closed extrusion-forging technology is very efficient.
模拟与实验结果表明，闭式温精锻工艺与模具设计合理，数值模拟分析准确。
In contrasting the results of simulation and experiments, it is clear that both the fine warm forging process and the die design are feasible, and the numerical simulation model is also correct.
阐述了用闭式挤锻工艺代替开式模锻的优点。文末提出了模具设计的基本要求。
It has elaborated the advantages replacing closed-die forging with closed extrusion-die forging.
阐述了用闭式挤锻工艺代替开式模锻的优点。文末提出了模具设计的基本要求。
It has elaborated the advantages replacing closed-die forging with closed extrusion-die forging.
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