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Entwicklung eines validierten Simulationswerkzeuges zur Abbildung der Wechselwirkung zwischen Werkzeug und Werkstück am Beispiel des Flachwalzprozesses

开发经过验证的模拟工具，以使用扁平轧制过程的示例来描述工具和工件之间的相互作用

基本信息

批准号：
5448986
负责人：
Professor Dr.-Ing. Gerhard Hirt
金额：
--
依托单位：
Institut für Bildsame Formgebung (IBF)
依托单位国家：
德国
项目类别：
Priority Programmes
财政年份：
2005
资助国家：
德国
起止时间：
2004-12-31 至 2011-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/5448986?language=en
关键词：
Entwicklung eines validierten Simulationswerkzeuges zur

项目摘要

During hot rolling process, due to the direct interaction of the work roll with the hot strip and the repeated cycles of roll heating and cooling the work roll will change its geometry. This directly influences the quality criteria of the rolled strip. On the other hand, due to the thermal fatigue, the work rolls may wear. This will also directly influence the quality (thickness and flatness) of the rolled strip. The strip flatness is a complex criterion which is depending on various process parameters. Until now, numerical modelling techniques are not available to simulate the overall process considering the complex interdependent parameters. Present modelling methods will address individual process parameters and conditions. The inter-dependent process parameters such as thermomechanical effects of the rolls and the roll wear on the strip thickness profile were completely ignored. With this research project proposal, an efficient Finite Element modelling method will be developed for the computation of interaction effects during hot rolling process. The developed model will consider the thermo-mechanical effects of the strip as well as work roll. The computed temperature distribution of the work roll will be validated with the data from the industry. The second major aspect of this research work will be the computation of wear in combination with the Finite Element modelling. The proposed wear models will be validated with the real process production data from the industry.

在热轧过程中，由于工作辊与热轧带钢的直接相互作用以及轧辊加热和冷却的反复循环，工作辊将改变其几何形状。这直接影响轧制带材的质量标准。另一方面，由于热疲劳，工作辊可能磨损。这也将直接影响轧制带材的质量（厚度和平整度）。板形是一个复杂的指标，它取决于各种工艺参数。到目前为止，数值模拟技术还没有考虑到复杂的相互依赖的参数来模拟整个过程。目前的建模方法将解决个别工艺参数和条件。完全忽略了相互依赖的工艺参数，如轧辊的热机械效应和轧辊磨损对带钢厚度分布的影响。通过本研究项目的建议，将开发一种有效的有限元建模方法，用于计算热轧过程中的相互作用。所开发的模型将考虑带钢以及工作辊的热机械效应。计算的工作辊温度分布将与工业数据进行验证。这项研究工作的第二个主要方面是结合有限元建模计算磨损。所提出的磨损模型将与来自行业的真实的过程生产数据进行验证。