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Communication Dans Un Congrès Année : 2012

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

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Résumé

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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Dates et versions

hal-00759479 , version 1 (03-12-2012)

Identifiants

  • 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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