engleski

Influence of elastic reduction of a strip on the length of the deformation zone during cold rolling

Cold strip rolling is carried out with small partial absolute Δh and percentageεreduction and with large contact stresses, i.e. under conditions when the elastic reduction deformation of the strip Δ1П has a significant effect on the length of the elastic-plastic deformation zone lc. A solution has been proposed for determining the relative length of the deformation zone, х1П/lc, caused by the elastic reduction of the strip. An analysis of dependence showed that during rolling with reduction ε>0.2-0.3, the values of the parameter х1П/lc usually do not exceed 0.1, but for ε<0.1-0.15 its value increases to more than 0.15-0.25.

cold strip roling ; elastic reduction deformation ; length of the deformation zone

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