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- Tests and researches are conducted for microstructure,residual stress,dislocation density and hardening principle of starlike inner race formed by cold closed die forging method. 针对经闭塞冷锻成型的星形套的组织、残余应力、位错密度及硬化规律进行了试验研究。
- SHANGHAI DONGFU COLD FORGING MANUFACTURE CO., LTD. 上海东芙冷锻制造有限公司。
- Squeeze casting is descrbed as having a combination of the virtues of gravity die casting and closed die forging. 挤压铸造被认为兼具有压力铸造和合模俦造的优点。
- Above result revealed that multidirectional closed die forging of spiral bevel gear was feasible. 揭示了使用复动闭式模锻模具成形小锥角螺旋伞齿轮的可行性。
- Based on the closed die forging process and the FEM simulation for the pole, the mould structure for precision alternator pole forging is designed. 在磁极的精密模锻生产工艺分析和有限元模拟基础上,设计了磁极精密模锻新工艺参数和新型的锻模结构。
- As the Close die forging hammer is working in atrocious condition, its maximum intense part-anvil block must bear frequent shock and overload. 摘要模锻锤由于其特别恶劣的工作条件,其上最大的受力零件-砧座,会受到频繁的冲击和过载。
- Keywords starlike casing;closed cold forging;die structure; 星形套;闭塞冷锻;模具结构;
- For cold forging, punching, pressing dise for standard components, bearings, and tools industries. 适用于制作标准件,轴承、工具等行业用的冷镦、冷冲、冷压模具。
- These inclusions resulted in cracking of the cold forging steel during the cold heading process. 通过理化检测,对铆螺钢在冷镦时出现开裂的原因进行了分析。
- Products include: squash, coated, radial cold forging, polishing, and ultrasonic cleaning equipment at the goal-line machines. 产品包括:压扁、包覆、径向冷锻、磨光、超声清洗设备以及龙门式收线机等。
- The reason of cracking phenomenon occurring of the cold forging steel was analyzed by the composition and microstructure tests. 通过对铆螺钢的成分与组织检验,对铆螺钢在冷镦时出现开裂现象的原因进行了分析。
- 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。
- Cold forging is a kind of precise forming technology, and has the unique advantages compared to the traditional machining technology. 冷锻技术是一种精密塑性成形工艺,广泛应用于各种机械产品关键零部件的制造。
- Squeeze casting is a process which involves the solidi-fication of a molten metal in a closed die under animposed high pressure. 模压铸造是在密闭的金属模环境里对熔融金属施加强高压使其凝固的一种工艺。
- Material Selecting of Cold forging Die 冷镦模材料的选取
- The article has described the methods and its development process of the cold forging technology, and it has introduced the equipments for cold forging. 叙述了冷锻工艺的方法及其发展过程,介绍了冷锻设备,例举了典型的法兰轴套、齿轮、凸缘轮毂及长轴零件的冷锻工艺。
- P.Skubisz, J.Sinczak, S.Bednarek, ”Forgeability of Mg-Al-Zn Magnesium Alloys in Hot and Warm Close Die Forging,” Journal of Materials Processing Technology, Vol.177, pp. 210-213, (2006). 何惠琳,“径向凸缘成形模具设计及相关参数影响之研究,”国立台湾科技大学机械制造组研究所博士论文,民国92年。
- The Closed Cold Forging Process for the Starlike Casing and Design of the Die 星形套闭塞冷锻工艺及模具设计
- Multidirectional Closed Die Forging Set of Spiral Bevel Gear 螺旋伞齿轮复动闭式模锻模具
- In this paper, the metal flow route during closed die extrusion for spiral bevel driving gear of automotive final drive is analyzed and the profile of preformed blank has been designed. 摘要分析了主动螺旋伞齿轮闭塞挤压的金属流动路线,设计了预制坯的形状。