The Extra Stress Because of the Bending in the Process the Deep Drawing
Journal Title: Mašinstvo - Year 2015, Vol 12, Issue 3
Abstract
The general solution of the plane problem in plastic region was given in the paper [3]. This solution is limited to polar coordinates and the nonhardening material. In the paper [4] are given same individual solutions of problems in the plastics region on the basis of the general solution. In this paper, on the basis of results of two papers earlier mentioned, the principal normal stresses are calculated in the ideal conditions and polar coordinates, which are the effect of a bending a sheet metal in the process of the deep drawing of rotation caps with a bottom. In this way, the directly calculation of the additional stress because of the bending and the correction of a sheet across a radius of a die for drawing is enabled in mentioned process, which increased stresses in a wall of the cap and a force of drawing.
Authors and Affiliations
Amra Talić-Čikmiš, Suad Hasanbegović, Nedeljko Vukojević, Fuad Hadžikadunić
Keywords
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