| 引用本文: | 江树勇,孙金凤,赵立红,张艳秋.滚珠直径对薄壁筒形件反向滚珠旋压成形性影响研究[J].材料科学与工艺,2011,19(2):1-4,9.DOI:10.11951/j.issn.1005-0299.20110201. |
| JIANG Shu-yong,SUN Jin-feng,ZHAO Li-hong,ZHANG Yan-qiu.Study on influence of ball diameter on backward ball spinning of thin-walled tube[J].Materials Science and Technology,2011,19(2):1-4,9.DOI:10.11951/j.issn.1005-0299.20110201. |
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| 摘要: |
| 以工艺实验和刚塑性有限元法为基础,研究了滚珠直径对薄壁筒形件反向滚珠旋压成形性的影响.有限元模拟结果表明,随着滚珠直径的增加,轴向旋压力的波动减小,滚珠前方金属堆积减小,金属稳定流动性增加.工艺实验结果表明,滚珠直径对薄壁筒形件反向滚珠旋压成形性的影响存在两个临界值,而且随着滚珠直径的增加,滚珠旋压力增加,筒坯较易发生塑性变形,滚珠前方金属稳定流动性增加.有限元模拟结果与实验结果保持了良好的一致性. |
| 关键词: 强力旋压 滚珠旋压 滚珠直径 有限元法 |
| DOI：10.11951/j.issn.1005-0299.20110201 |
| 分类号:TG376 |
| 基金项目:黑龙江省博士后基金资助项目(No.3236301154) |
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| Study on influence of ball diameter on backward ball spinning of thin-walled tube |
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JIANG Shu-yong1, SUN Jin-feng2, ZHAO Li-hong1, ZHANG Yan-qiu1
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1.Engineering Training Center,Harbin Engineering University,Harbin 150001,China;2.College of Materials Science and Chemical Engineering,Harbin 150001,China
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| Abstract: |
| Based on the process experiment and the rigid-plastic finite element method(FEM),influence of ball diameter on backward ball spinning of thin-walled tube is studied.FEM simulation results show that with the increase of ball diameter,the fluctuation of axial spinning force component decreases,and metal build-up in front of ball decreases,but stable flow of metal increases.During backward ball spinning of thin-walled tube,ball diameter possesses two critical values which have a significant influence of deformability of the spun part.Furthermore,increasing ball diameter leads to the increase of ball spinning force,which contributes to occurrence of plastic deformation of tubular blank as well as stable flow of metal in front of ball.The FEM simulation results agree well with the experimental ones. |
| Key words: power spinning ball spinning ball diameter finite element method |
