| 轴向预负载对细薄钢管激光弯曲机制的影响 |
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| 引用本文： | 姜宇,曹军,杨国辉.轴向预负载对细薄钢管激光弯曲机制的影响[J].大气与环境光学学报,2006(6). |
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| 作者姓名： | 姜宇 曹军 杨国辉 |
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| 作者单位： | 东北林业大学机电工程学院 哈尔滨工业大学超精密光电仪器工程研究所 哈尔滨工业大学超精密光电仪器工程研究所 黑龙江 哈尔滨 150040 哈尔滨工业大学超精密光电仪器工程研究所 黑龙江 哈尔滨 |
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| 摘 要： | 应用ABAQUS有限元仿真软件,对连续波CO_2激光照射细薄金属管材产生的弯曲过程进行数值仿真。将实验中测量的弯曲过程中各变量与数值仿真的结果进行了比较。分析在不同预负荷时弯曲过程中温度、应力、残余应力的分布和弯曲角度对于变形机制的影响。
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| 关 键 词： | 激光弯曲 钢管成形 轴向预负荷 |
Research on Bucking Mechanism in Laser Tube Forming with Axial Preload |
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| JIANG Yu.Research on Bucking Mechanism in Laser Tube Forming with Axial Preload[J].Journal of Atmospheric and Environmental Optics,2006(6). |
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| Authors: | JIANG Yu |
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| Abstract: | The bucking of a thin metal tube during continuous wave(CW) CO_2 laser with finite element method(FEM) of ABAQUS is investigated numerically and experimentally.All the variables on bucking are compared with the results obtained by simulation.The influences of bucking mechanism caused by distribution of temperature,stress,residual stress and bucking angle are analyzed with different preloads. |
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| Keywords: | laser bucking mechanism tube forming axial preloads |
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