<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>An inverse analysis based on optimization process is performed to determine die curvatures for a locking nut’s flange folding process which has highly nonlinear material behaviour. The nut material is AISI C1040 steel. The ring material is polyamide 6. The Chaboche’s nonlinear kinematic hardening rule is combined with bilinear isotropic hardening model as a hardening rule for the plasticity model combined with associated flow rule and von Mises yield criterion. The inverse analysis is applied to determine the curvatures by using genetic algorithm optimization method based on dimensional accuracy. The optimum mould curvatures are determined. So a comprehensive methodology is presented for determination of curvatures.</p>
</abstract>

An inverse analysis based on optimization process is performed to determine die curvatures for a locking nut’s flange folding process which has highly nonlinear material behaviour. The nut material is AISI C1040 steel. The ring material is polyamide 6. The Chaboche’s nonlinear kinematic hardening rule is combined with bilinear isotropic hardening model as a hardening rule for the plasticity model combined with associated flow rule and von Mises yield criterion. The inverse analysis is applied to determine the curvatures by using genetic algorithm optimization method based on dimensional accuracy. The optimum mould curvatures are determined. So a comprehensive methodology is presented for determination of curvatures.

A Design Optimization Study for the Die Dimensioning Using the Locking Nut Folding Simulation

Engineering Faculty, Niğde Ömer Halisdemir University

Strojnícky časopis - Journal of Mechanical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

An inverse analysis based on optimization process is performed to determine die curvatures for a locking nut’s flange folding process which has highly...

A Design Optimization Study for the Die Dimensioning Using the Locking Nut Folding Simulation

Published Online: Dec 07, 2021

Page range: 41 - 52

DOI: https://doi.org/10.2478/scjme-2021-0016

Keywords
Plastic deformation, inverse analysis, optimization, plasticity model, locking nut

© 2021 Bozkurt Ülüver et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A Design Optimization Study for the Die Dimensioning Using the Locking Nut Folding Simulation

Published Online: Dec 07, 2021

Page range: 41 - 52

DOI: https://doi.org/10.2478/scjme-2021-0016

KeywordsPlastic deformation, inverse analysis, optimization, plasticity model, locking nut

© 2021 Bozkurt Ülüver et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Plastic deformation, inverse analysis, optimization, plasticity model, locking nut