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基于正交试验的T形接头焊接工艺优化

房元斌1,2,蹤雪梅1,2,张华清2,殷咸青3,张林杰3

房元斌1,2,蹤雪梅1,2,张华清2,殷咸青3,张林杰3. 基于正交试验的T形接头焊接工艺优化[J]. 焊接学报, 2017, 38(8): 45-49. DOI: 10.12073/j.hjxb.20150810001
引用本文: 房元斌1,2,蹤雪梅1,2,张华清2,殷咸青3,张林杰3. 基于正交试验的T形接头焊接工艺优化[J]. 焊接学报, 2017, 38(8): 45-49. DOI: 10.12073/j.hjxb.20150810001
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FANG Yuanbin1,2, ZONG Xuemei1,2, ZHANG Huaqing2, YIN Xianqing3, ZHNAG Linjie3. Optimization on welding procedure of T-joint based on orthogonal test[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(8): 45-49. DOI: 10.12073/j.hjxb.20150810001
Citation: FANG Yuanbin1,2, ZONG Xuemei1,2, ZHANG Huaqing2, YIN Xianqing3, ZHNAG Linjie3. Optimization on welding procedure of T-joint based on orthogonal test[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(8): 45-49. DOI: 10.12073/j.hjxb.20150810001
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基于正交试验的T形接头焊接工艺优化

Optimization on welding procedure of T-joint based on orthogonal test

摘要

    摘要
  • 摘要: 焊接变形可以直观地看到，控制变形手段也非常多. 焊接残余应力分布复杂，关键位置残余应力大小对产品有着很大的影响. 文中利用焊接数值模拟和试验相结合的手段，采用单因子和多因子正交试验相结合的设计方法，以焊接残余应力为评价指标，对T形接头焊接的工艺参数进行优化设计，获得了T形接头的残余应力分布状况. 结果表明，拼焊间隙为2 mm以下时，焊缝宏观形貌满足要求；焊接速度对焊接残余应力的影响最为显著，其次为送丝速度和拼焊间隙. 利用数值模拟和试验相结合的方法，优化了焊接工艺参数，降低了焊接残余应力的峰值，有效地减少了试验次数，节约了成本.
    Abstract: Welding deformation can be seen visually, and many methods are used to control welding deformation. Residual stress distribution is complex, and it has a great influence on production. In this research, the design method of welding numerical simulation and experimental method is used to optimize the process parameters. Residual stress distribution of T-joint is obtained by using single factor and multi factor orthogonal test. The results show that when the gap is 2 mm, the macro morphology can meet the requirements. Welding speed is the most significant, followed by wire speed and welding gap. The research is to optimize the welding parameters and reduce the peak value of residual stress by using the method of numerical simulation and experiment. It achieves the purpose of reducing the experiment times and saving the cost.
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  • 收稿日期:  2015-08-09

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