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die design
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  die design
Also, the UBET-based preform design tool is presented as a process and die design tool for multistage forging processes.
      
The material constants of semisolid material in the stress-strain curve are proposed to perform the numerical analysis for a die design of semisolid forging.
      
This article presents a proof-of-concept illustrating the potential utility of layer-based extrusion dies for the die design and fabrication process.
      
Extrusion die design and development often requires significant craftsman skill and iterative improvement to arrive at a production-ready die geometry.
      
Precise selection of die velocity, process temperature, and die design is necessary to produce satisfactory products.
      
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The forming process,die design and some manufacturing main points in cold extrusion of piston pins are presented in this paper. The experience in long-term production proves that this forming process is able to assure the product quality, improve material utilization and increase productivity.

介绍了活塞销冷挤压的生产工艺、模具设计及制造特点。长期的生产实践表明,这种成形方法能确保制品质量,提高材料利用率和生产效率。

The beneficial results in substitution of cold heading for machining in manufacturing valve spring retainer stocks for CA141 truck is presented in this paper. Some main points about the cold heading process and its die design are also involved.

阐述了CA141型汽车气门弹簧座毛坯生产中,以冷镦工艺代替切削工艺所取得的效果。介绍了冷镦工艺过程和模具设计要点。

Takeing the square spline on the cam shaft of the rear brake of model CA141 truck as an example the cold squeezing technology of square spline and the main factors effecting the shaping process are studied. By making use of the upper limit method, the rule of metal flow has been analysed and the squeezing force calculated. The result shoult shows that utilizing upper limit method to calculate squeezing foree may provide the theoretical basis for die design. And cold squeezing square snline with concave...

Takeing the square spline on the cam shaft of the rear brake of model CA141 truck as an example the cold squeezing technology of square spline and the main factors effecting the shaping process are studied. By making use of the upper limit method, the rule of metal flow has been analysed and the squeezing force calculated. The result shoult shows that utilizing upper limit method to calculate squeezing foree may provide the theoretical basis for die design. And cold squeezing square snline with concave mono-block die may meet the demand of design specifcationof spline product.

以CA141型汽车后制动凸轮轴方花键为例,研究了方花键冷挤压工艺及影响成形的主要因素,并应用上限法分析了金属流动规律及挤压力。结果表明,应用上限法计算挤压力,可为模具设计提供理论依据,整体凹模冷挤方花键可满足设计要求。

 
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