阐述了用冷锻工艺代替热模锻的优点。
It has elaborated the advantages replacing hot die forging with the cold forging technology.
已损坏的热模锻压力机用新型设备取代；
The damaged presses of hot die forging should be superseded by the modern presses;
本文介绍了精密热模锻穿孔顶头的生产工艺及工艺特点。
The production process and its features of piercing plug by precision hot-die-forging are detailed.
本文研究了不同热模锻工艺参数对GH4169合金锻件组织性能的影响。
The article researches the effect of different hot die forging process parameters on forgings structure and properties of GH4169 alloy.
就大型热模锻压力机模架设计要点进行了探讨，并对东风汽车公司今后的模架设计提出了建议。
The article discusses main design points of die holder for large die forging press, and gives suggestion to the Dong Feng Automotive company for future die holder design.
前轴是汽车中的大型重要锻件，其生产工艺可归纳为锤上模锻、热模锻压力机上模锻、成形辊锻、精辊-模锻复合工艺等几种类型。
The production process includes hammer die forging, pressure forging, roll forging forming, and precision rolling-die forging composite technology.
从生产实际出发，分析了锻模液态模锻成形过程中热裂纹形成的主要原因，提出了降低锻模热裂纹的几点措。
In the paper, the hot crack for the forging die made by methods of squeeze casting is analyzed, how to reduce the hot crack is also given out.
通过镦粗工艺试验，确定了该材料的热变形工艺参数，并对其进行了等温模锻工艺研究。
The technological parameter of heat deformation was confirmed by the test of Upsetting technology, and the isothermal stamping was studied.
通过镦粗工艺试验，确定了该材料的热变形工艺参数，并对其进行了等温模锻工艺研究。
The technological parameter of heat deformation was confirmed by the test of Upsetting technology, and the isothermal stamping was studied.
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