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Coupled rolling and buckling model for friction-sensitive setting of flatness actuators

Abstract : Flatness defects in thin strip cold rolling are a consequence of buckling due to roll thermo-elastic deformation and the resulting heterogeneous strip plastic deformation. A coupled rolling - buckling model has been developed [Abdelkhalek et al. 2011]. It has shown that (i) taking buckling into account results in completely different stress fields and fits correctly the measured on-line residual stresses under tension ("stress-meter rolls"); (ii) coupling buckling in the post-bite area and the rolling model, whatever the technique, changes little the in-bite fields. The model is applied here to the effect of friction on optimal setting of a flatness actuator, Work Roll Bending.
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Submitted on : Monday, December 3, 2012 - 4:28:10 PM
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  • HAL Id : hal-00759479, version 1

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Rebecca Nakhoul, Sami Abdelkhalek, Pierre Montmitonnet. Coupled rolling and buckling model for friction-sensitive setting of flatness actuators. Journées Annuelles de la SF2M 2012 - SF2M Annual Meeting 2012, Oct 2012, Paris, France. 2 p. ⟨hal-00759479⟩

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