In this paper, an analytical method for estimating the limiting drawing ratio (LDR) of the redrawing stages in deep drawing process of axisymmetric components is represented. In this method, the effects of parameters of blankholder arc, die arc, and punch arc region are taken into account for the analytical determination of LDR. The presented method can predict the limiting drawing ratio for redrawing with/without intermediate annealing processes. The results are compared to numerical results and experimental results reported in the literature and also industrial results reported in handbooks. It is shown that the presented method is in good agreement with the experimental and numerical results. Using the presented method, the effect of some process parameters on the LDR is investigated. It is shown that process parameters such as, coefficient of friction, strain hardening exponent, normal plastic anisotropy ratio, ratio of die arc radius to blank thickness and ratio of blank thickness to diameter has significant effect on the LDR. The effect of intermediate annealing process is also examined.

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