Contact pressure distribution in a die channel during sink drawing of an Al–Mg–Mn alloy system pipe is obtained. Schemes are considered for establishment and the nature of die loading during operation. In order to reduce forces within a grip, sharpening of a workpiece is proposed with a cone angle less than that of the die. The effect of finishing zone length for the first die and entry zone of the second die on magnitude of bending moment on entry of a workpiece into a block of dies with misalignment is studied. Pipe drawing is studied in one and two dies in a DEFORM program. Recommendations are made for improving die life.
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Translated from Metallurg, No. 5, pp. 56–59, May, 2016.
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Grechnikov, F.V., Kargin, B.V. Production Methods for Increasing Pipe Drawing Tool Life. Metallurgist 60, 519–523 (2016). https://doi.org/10.1007/s11015-016-0324-5
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DOI: https://doi.org/10.1007/s11015-016-0324-5