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首页> 外文期刊>Journal of Mechanical Science and Technology >Evaluation of a pyramid die extrusion for a hollow aluminum profile using FE simulation
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Evaluation of a pyramid die extrusion for a hollow aluminum profile using FE simulation

机译：使用有限元模拟评估空心铝型材的角锥模具挤压

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摘要

The pyramid die extrusion for a hollow aluminum profile was analyzed to investigate the potential of such innovative dies. For this purpose, the pyramid and conventional porthole dies were respectively designed for a given hollow aluminum profile. And the extrusion process was comprehensively studied by performing different types of finite element simulation, such as the analysis of steady state, transient state and billet skin tracking. The effects of pyramid angle on the evaluation parameters of extrusion, such as extrusion load, material flow, exit temperature, length of transverse weld, quality of longitudinal weld, back end defect and die stress were overall analyzed and compared with the conventional porthole die. Through this study, the advantages and shortcomings of pyramid die were well concluded, which should be important information for die designers and makers.
机译：分析了用于中空铝型材的金字塔模具挤压，以研究这种创新模具的潜力。为此，分别针对给定的中空铝型材设计了棱锥和常规的舷窗模具。然后通过执行不同类型的有限元模拟（例如，稳态分析，瞬态分析和钢坯蒙皮跟踪）对挤压过程进行了全面研究。金字塔角对挤压评估参数的影响，如挤压载荷，材料流动，出口温度，横向焊缝长度，纵向焊缝质量，后端缺陷和模具应力等，均已进行了分析，并与常规舷窗模具进行了比较。通过这项研究，可以很好地总结出金字塔模具的优缺点，这对于模具设计者和制造者应该是重要的信息。

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