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为了研究工艺参数对高强钢板杯形件单道次拉深旋压成形质量的影响规律,以旋压件的壁厚分布、直线度以及圆度均值作为评价指标,基于有限元分析软件ABAQUS对DP600高强钢板单道次拉深旋压成形过程进行数值模拟研究,并进行了试验验证。结果表明:在高强钢板杯形件单道次拉深旋压成形过程中,随着旋轮进给比f、旋轮圆角半径rρ以及旋轮与芯模间相对间隙值δ的增大,其壁厚分布的均匀性逐渐变好,直线度逐渐增加;圆度均值呈先减小后增加的趋势,并且均存在一最小值;当f=0.5 mm·r-1、rρ=10 mm及δ=-5%时,DP600高强钢板杯形件单道次拉深旋压成形时的质量最优。
In order to study the influence of process parameters on single pass deep drawing of high strength steel cup, the distribution of wall thickness, straightness and mean value of circularity were taken as evaluation indexes. Based on finite element analysis software ABAQUS, DP600 High-strength steel single-pass deep drawing process of forming the numerical simulation, and the experimental verification. The results show that during the single-pass deep drawing process of high-strength steel cup, with the increase of the feed ratio f, the radius r r of the wheel and the relative gap δ between the roller and the die, The uniformity of wall thickness distribution becomes better and the straightness increases gradually. The mean value of circularity first decreases and then increases, and there is a minimum value. When f = 0.5 mm · r-1, rρ = 10 mm and When δ = -5%, the quality of DP600 high-strength steel cup single-pass deep drawing is the best.