Optimization of Tool and Process Design for the Cold Forging of Net-Shape Parts by Simulation

Optimization of Tool and Process Design for the Cold Forging of Net-Shape Parts by Simulation
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净形件冷锻模具及工艺设计的仿真优化

DOI:
10.1007/978-3-642-32448-2_19
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发表时间:
2013
期刊:
影响因子:
--
通讯作者:
Kroiß
Kroiß
中科院分区:
--
文献类型:
--
作者:
Kroiß

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作为本项目研究工作的结果,提出了一个综合的方法,考虑过程,工具和机器之间的相互作用,在基于有限元的设计冷锻工具和工艺:该方法包括一个有效的确定压力机和工具系统的变形特性和随后的精简建模结合有限元模拟的冷锻过程。然后,基于一组模拟,参数化的过程模型的开发。它允许优化的影响参数的值,以实现高工件精度,考虑到相互作用。通过获取并随后应用关于过程行为的知识,可以显著减少参数化过程模型和优化所需的模拟次数。该方法可以通过使用参数过程模型来完成,用于估计目标值的分散性和不确定性取决于影响参数。
As a result of the research work in this project, a comprehensive approach is presented for the consideration of the interactions between process, tool and machine in the FE-based design of cold forging tools and processes: The approach comprises an efficient determination of the deflection characteristic of press and tooling system and its subsequent condensed modeling in combination with the FE simulation of a cold forging process. Then, based on a set of simulations, a parametric process model is developed. It permits an optimization of the values of influencing parameters to achieve high workpiece accuracy considering the interactions. By acquiring and, afterwards, applying knowledge on the process behavior, the required number of simulations for the parametric process model and the optimization can be reduced considerably. The approach can be completed by using the parametric process model for estimating scatter and uncertainties of target values depending on those of the influencing parameters.
DOI: 10.1063/1.3457568
发表时间: 2010-06
期刊: --
影响因子: --
作者:
T. Kroiß;U. Engel;M. Merklein
通讯作者: T. Kroiß;U. Engel;M. Merklein
通过先进的成形工艺模拟更快地获得健全的零件 – 先进的成形工艺模型,包括成形压力机和工具的弹性效应
DOI: 10.1002/srin.200706292
发表时间: 2007
影响因子: 2.2
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网状成型:最先进的
DOI: --
发表时间: 2001
期刊:
影响因子: --
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DOI: --
发表时间: 1994
期刊:
影响因子: --
作者:
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