A five stage forming strategy for Single Point Incremental Forming of a circular cylindrical cup with a height/radius ratio of one is presented. Geometrical relations are discussed and theoretical strains are calculated. The influence of forming direction (upwards or downwards) is investigated for the second stage comparing explicit FE analysis with experiments. Good agreement is found between calculated and measured thickness distribution, overall geometry and strains. Using the proposed multi stage strategy it is shown possible to produce a cup with a height close to the radius and sides parallel to the symmetry axis in about half of the depth
Skjoedt, N., Bay, N., Endelt, B., Ingarao, G. (2008). Multi Stage Strategies for Single Point Incremental Forming of a Cup. INTERNATIONAL JOURNAL OF MATERIAL FORMING, 1(1), 1199-1202 [10.1007/s12289-008-0156-3].
Multi Stage Strategies for Single Point Incremental Forming of a Cup
INGARAO, Giuseppe
2008-01-01
Abstract
A five stage forming strategy for Single Point Incremental Forming of a circular cylindrical cup with a height/radius ratio of one is presented. Geometrical relations are discussed and theoretical strains are calculated. The influence of forming direction (upwards or downwards) is investigated for the second stage comparing explicit FE analysis with experiments. Good agreement is found between calculated and measured thickness distribution, overall geometry and strains. Using the proposed multi stage strategy it is shown possible to produce a cup with a height close to the radius and sides parallel to the symmetry axis in about half of the depth
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