鋁合金2A12-O的動態(tài)充液拉深
發(fā)布人：上海艾荔艾金屬材料有限公司bt990.com.cn
更新時間：2015-12-19
針對鋁合金板材成形性差的特點，提出液體內(nèi)向流動動態(tài)充液拉深新技術(shù)。采用鋁合金2A12-O板材對成形過程進(jìn)行了初步實驗驗證后，運用有限元方法探討不同的徑向壓力和不同的預(yù)脹路線對成形零件壁厚分布的影響。
鋁合金2A12-O的動態(tài)充液拉深Hydrodynamic deep drawing process of 2A12-O aluminum alloy針對鋁合金板材成形性差的特點，提出液體內(nèi)向流動動態(tài)充液拉深新技術(shù)。采用鋁合金2A12-O板材對成形過程進(jìn)行了初步實驗驗證后，運用有限元方法探討不同的徑向壓力和不同的預(yù)脹路線對成形零件壁厚分布的影響。結(jié)果表明，采用該方法可以顯著提高鋁合金2A12-O的成形極限，成功拉深出拉深比達(dá)2.85的杯形件；徑向壓力顯著影響杯形件壁厚的分布，通常較大的徑向壓力下的壁厚也較大。
A new method, named hydrodynamic deep drawing with radially inward flowing liquid, was proposed, aiming at the poor formability of aluminium alloy sheet. After a preliminary experimental validation of the proposed method by using 2A12-O aluminum alloy, the effects of different radial pressures and different pre-bulging loading paths on the wall thickness distribution of the formed cups were investigated with the assistance of FEM. The results show that the foming limit of 2A12-O aluminum alloy is obviously improved by the method, and a cup with a drawing ratio of 2.85 is formed successfully. The radial pressure during the deep drawing process has a great influence on the wall thickness distribution of the formed cups. In general, the higher the radial pressure, the thicker the wall thickness.
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AILIAI has been a reliable partner and supplier of sophisticated and high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. AILIAI develops the best alloy material solutions for current and future challenges.
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