Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 120, Issue 1-2, Pages 1203-1217Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-022-08877-y
Keywords
Cold leveling; Cyclic deformation; Numerical modeling
Funding
- National Center for Research and Development [POIR.01.01.01-00-0786/18]
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The computer-aided development of the leveling technology for high-strength steel flat sheet products is the primary focus of this research. A reliable hardening model is developed based on experimental and numerical investigation, using an inverse analysis approach for parameter identification. The roll leveling process for various machine setups is simulated using a finite element model, and the results in terms of final flatness and stress distributions are presented. A set of process parameters that meet both criteria is identified, ensuring a high-quality product.
The computer-aided development of the leveling technology for high-strength steel flat sheet products is the primary goal of the research. The roll leveler setups are evaluated from the final product point of view with an acceptable flatness level and stress state at the same time. First, a reliable hardening model is developed based on experimental and numerical investigation. The combined isotropic-kinematic model is selected to capture material behavior under cyclic loading conditions. The inverse analysis approach is used for the high-quality model parameters identification stage. Then the roll leveling process for a wide range of machine setups is simulated using a finite element model. Examples of results in the form of final flatness and stress distributions are presented within the work. As an outcome, a set of process parameters is identified that provides a good quality product for both investigated criteria.
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