This paper analysed the cold die forging technology of automotive epicyclic gears.
分析了汽车行星齿轮的冷模锻工艺。
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 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.
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 densification effects of upsetting and repressing are compared, and a technology design principle for closed die forging is suggested .
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。
Through the technology analysis and die design of the support saddle, the application of the liquid die forging technique for complicated parts was introduced.
通过支承座零件的工艺分析和模具设计，介绍了液态模锻技术在复杂零件上的应用。
The deformation and flow of metal in the process of roll forging are much different from those of ordinary die forging, So are the design of its technology, preliminary forming dies and dressing dies.
辊锻过程中金属变形及流动，与一般模锻工艺相比存在较大的差异，因而其工艺设计及初成形道次模具、整形模具设计也不同于常规模锻工艺。
This article introduced the technology of aluminum alloy forging die design and heating technology as well as the heat treatment after forging.
介绍了铝合金支撑体的锻模设计、锻造加热工艺和锻后热处理等技术；指出了设计过程中应该注意的问题和具体预防措施。
It has elaborated the advantages replacing hot die forging with the cold forging technology.
阐述了用冷锻工艺代替热模锻的优点。
It is shown by comparisons that PM temperature press technology has a strong impact on casting, die forging, PM forging technology.
经比较分析认为，温压技术将对铸造、模锻、粉末锻造技术产生冲击。
The technology of precision roll forging by closed die groove of machine driven plough share are researched systematically.
系统研究了机引犁铧闭式型槽精密辊锻技术。
The forming technology and parameters for hot forging of the brass brake shield, and the structure and the working process of the die were introduced.
介绍了黄铜闸板热锻成型工艺和参数，还介绍了模具结构及工作过程，提出了在热锻过程中应注意的几个问。
By virtue of modern metallograph analyse technology, the size of grain, hardness and residual stress of bevel gear by closed-die cold forging is studied.
借助现代冶金分析技术对闭塞冷锻行星齿轮的晶粒尺寸、硬度变化和残余应力分布规律进行了研究。
A new technology, substituting three axis for four axis manufacturing by using subarea manufacturing is offered and manufacture successfully the rolling forging die for enterprise.
采用分区加工的方法实现了三轴加工替代四轴加工新方法，并成功地为企业加工出了合格的滚压模具。
Shaping multiple-part with one die by liquid forging as a high efficiency technology for metal shaping has been investigated in this paper.
一模多件挤压铸造是一种高效的金属成型工艺方法。
It has been introduced that cracking defect of female die cushion of forging machine has been analysed and its preventive heat treatment technology.
介绍了锻压机垫板的热处理工艺改进措施，从而防止了其开裂缺陷，提高了使用寿命。
According to its characteristics horizontal forging technology of S-shape CAM and die have been designed.
根据S形凸轮结构特点，设计了其锻件毛坯的平锻工步及其模具。
This paper analyses failure way of 5crmnmo heat forging die, improves its technology, and rise its life.
分析了5crmnmo钢热锻模具的破坏形式，并进行了工艺改进，使模具寿命成倍地增加。
In this paper, the pressure distribution and the choice of die material and Heat treatment technology was studied. Based the principle of cold rotary forging process.
基于摆动辗压工艺的基本原理，分析研究了冷摆辗模具的受力情况，并对冷摆辗模具材料的选择及热处理工艺作了探讨。
The production process includes hammer die forging, pressure forging, roll forging forming, and precision rolling-die forging composite technology.
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 forming technology oft he upper body center plate in hot die forging and the characteristic of the die structure have been introduced with the analysis on the forming process.
从分析上心盘的成形过程出发，介绍了上心盘热模压成形工艺及模具特点。
The study can provide the reference for the die design and technology design of precision forging of spiral bevel gear.
研究结果可为弧齿锥齿轮温锻成形的模具设计、工艺方案制订提供理论依据。
Taking the research of the cavity of vacuum forming mould used for the nutritional box to grow seedlings as example. This paper introduces the new technology of liquid die forging of Zn base alloys?
以研制育苗营养钵用吸塑模具型腔为例，介绍锌基合金液态模锻这一新工艺。
The four-axle 3D numerical controlled rolling-forging machining technology for die impression is studied and developed.
研究开发了辊锻模膛四轴三联动数控加工技术。
The four-axle 3D numerical controlled rolling-forging machining technology for die impression is studied and developed.
研究开发了辊锻模膛四轴三联动数控加工技术。
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