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 die structure of the high speed cold die forging for the differential bevel gear was introduced.
介绍了差动伞齿轮高速冷模锻的模具结构。
It is shown by tests that the criterion can be used to predict cracking of metal cold forging, and to guide cold forging processes development and die adjustment.
试验验证结果表明，该准则可用于金属冷锻成型的破裂预测，并可指导冷锻成型工艺的编制及模具的调试。
The cold forging procedure and die design courseware helps and instructs people who engaged in cold forging die design to understand cold forging process and die design profoundly.
开发冷锻工艺与模具设计多媒体教学软件旨在指导模具设计人员对冷锻工艺及冷锻模具的知识有比较系统的理解。
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。
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。
The numerical simulation method was applied to analyze the cold closed-die forging process of car used differential satellite gear.
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。
The working process and character of the designed cold precision forging die for bevel gear was analyzed.
对该冷精锻模的工作过程、特点等进行了分析。
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 preparation treatment of the blank, the structure design of the cold-forging die and the manufacturing technical requirements were generated basing on practice experience.
根据实践经验总结了毛坯的制备处理、冷镦模具结构设计及加工技术要求。
The failure modes of the combination valve hot forging die in normal working condition are wear, collapse or cold hot fatigue crack.
气门锻模正常失效方式为磨损、压塌和冷热疲劳裂纹。
The bevel gear's cold forging die was designed based on the principles of cold precision forming.
基于冷锻成形原理，对锥齿轮冷精锻模进行了设计。
Study on microstructure and properties of closed-die cold forging of bevel gear used in case of automobile differential;
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。
Die life was one of the problems in cold rotary forging.
模具寿命是冷摆辗的关键问题之一。
Unsuccessful corner filling and excessive deformation force are the main limitations of classical cold closed-die forging of straight spur gear.
齿形充填不满和成形力过高是齿轮闭式锻造典型方案的缺陷。
Unsuccessful corner filling and excessive deformation force are the main limitations of classical cold closed-die forging of straight spur gear.
齿形充填不满和成形力过高是齿轮闭式锻造典型方案的缺陷。
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