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庞方杰, 徐济进, 陈立功, 张敏. 全焊接阀门的焊接温度场拟合分析[J]. 焊接学报, 2005, (9): 73-76.
引用本文: 庞方杰, 徐济进, 陈立功, 张敏. 全焊接阀门的焊接温度场拟合分析[J]. 焊接学报, 2005, (9): 73-76.
PANG Fang-jie, XU Ji-jin, CHEN Li-gong, ZHANG Min. Fitting analysis on welding temperature field of fully welded valve[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (9): 73-76.
Citation: PANG Fang-jie, XU Ji-jin, CHEN Li-gong, ZHANG Min. Fitting analysis on welding temperature field of fully welded valve[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (9): 73-76.

全焊接阀门的焊接温度场拟合分析

Fitting analysis on welding temperature field of fully welded valve

  • 摘要: 建立了一种基于试验的非线性曲线拟合的新方法来分析焊接温度场。采用改进的温度场数学解析模型后,拟合得到与实测结果相当接近的温度-时间拟合曲线方程。根据不同条件下的拟合方程,对其回归系数进行了影响因素的分析。并考虑实际需要,得到了不同初始温度下全焊接阀体的密封圈安全位置范围,为阀门焊接工艺的制定提供了重要依据。

     

    Abstract: Welding temperature field was analyzed by using non-linear curve fit method based on experiments.The fitting temperature-time equation was obtained from actual data with an improved mathematic model.From different fitting equations under different conditions,regression coefficients were also analyzed.Considering the actual need,the location range of the sealing loop was acquired.

     

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