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The possibility of application of the program complex called Mathcad Prime 5 for calculation of normal contact stresses in the center of deformation during cold rolling of the strips is considered. The algorithm, the block-scheme and the computer program of calculation of the normal contact stresses during rolling of the strips on the reverse mill 1680 PJSC “Zaporizhstal” are developed. The epures were constructed and a comparative analysis of the formulas used to calculate the normal contact stresses in the deformation center was carried out. Received calculation data in Mathcad Prime 5 coincides with the literary data, which has practical value for both educational process and research and design work. Based on the analysis of the contact stress epures, it can be concluded that the most accurate calculation of the total metal pressure on the rolls during cold rolling is possible only when the formulas used to consider the change in the forced yield strength in the deformation center by the law of a straight line or the parabolic law.Keywords: CAD, CAE, block-crankcase, 3D model, casting defect.

Numerical Experiment for the Calculation of Normal Contact Stress in the Deformation Center when Rolling a Metal Strip