| 铝合金筒形件磁脉冲辅助冲压成形试验研究 |
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| 引用本文： | 嵇正波,李春峰,刘大海,于海平.铝合金筒形件磁脉冲辅助冲压成形试验研究[J].锻压技术,2009,34(4). |
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| 作者姓名： | 嵇正波 李春峰 刘大海 于海平 |
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| 作者单位： | 1. 江苏财经职业技术学院,机电工程系,江苏,淮安,223001
2. 哈尔滨工业大学,材料科学与工程学院,黑龙江,哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金资助项目(50575052) |
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| 摘 要： | 针对铝合金筒形件传统拉深成形中由于成形性差容易出现拉裂问题,采用拉深预成形和磁脉冲辅助成形相结合的方法对5052-O铝合金板材进行筒形件成形性试验研究,探索磁脉冲辅助冲压成形工艺提高材料成形性的可能性。并研究应用磁脉冲成形减小预成形筒形件圆角半径的工艺可行性。结果表明:与普通冲压相比,磁脉冲辅助冲压成形能够提高材料的成形性,且提高放电电压和增加放电次数能增强圆角的再变形能力,圆角变形更加均匀。普通拉深筒形件减薄最严重部位出现在筒壁和圆角相接处,而磁脉冲辅助冲压成形筒形件有两个减薄严重部位:侧壁与圆角相接处和筒底与圆角相接处。
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| 关 键 词： | 磁脉冲辅助冲压成形 筒形件 铝合金 成形性 |
Experimental investigations on electromagnetically assisted sheet metal stamping for aluminum alloy cylindrical part |
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| JI Zheng-bo,LI Chen-feng,LIU Da-hai,YU Hai-ping.Experimental investigations on electromagnetically assisted sheet metal stamping for aluminum alloy cylindrical part[J].Forging & Stamping Technology,2009,34(4). |
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| Authors: | JI Zheng-bo LI Chen-feng LIU Da-hai YU Hai-ping |
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| Affiliation: | 1.Mechanical and Electronical Engineering Department;Jiangsu Vocational and Technical College of Finance and Economics;Huaian 223001;China;2.Materials Science and Engineering;Harbin Institute of Technology;Harbin 150001;China |
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| Abstract: | In view of the crack problems easily occurring in the conventional cylindrical deep drawing process due to the lower formability of aluminum alloy sheet,the method involving pre-forming by conventional deep drawing and re-deformation by electromagnetic forming was designated and performed for experimental investigations on the formability problems of cylindrical parts deformed by 5052-O aluminum alloy sheet.And the efficacy of enhanced formability for aluminum alloy using this method and the feasibility of ... |
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