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CAO Xiaobing, ZHOU Zhaoyao, ZOU Chunhua. Nonlinear multi-variate regression design of capacitor discharge welding of high strength steel nut[J]. WELDING & JOINING, 2018, (1): 34-37.
Citation: CAO Xiaobing, ZHOU Zhaoyao, ZOU Chunhua. Nonlinear multi-variate regression design of capacitor discharge welding of high strength steel nut[J]. WELDING & JOINING, 2018, (1): 34-37.
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Nonlinear multi-variate regression design of capacitor discharge welding of high strength steel nut

  • 1. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China;

  • 2. Heron Intelligent Equipment Co., Ltd., Guangzhou 510990, China

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  • Received Date: August 08, 2017
  • Available Online: June 02, 2024
    Graphical Abstract
    • Abstract
  • Based on orthogonal experiment,the property of welded joint by capacitor discharge welding between 22MnB5 high strength steel and M8 hexagonal flanged welding nut was investigated.The pullout force of welding nut was regarded as the main index to evaluate the joint quality.Meanwhile,the welding parameters,including electrode pressure,welding voltage,capacitance and interaction of each other,were considered as independent factors.Furthermore,a nonlinear regression model used to reveal the relationship between welding parameters and joint quality was established based on genetic algorithm.What’s more,the comparison between the regression model values and experiment values proved that all the relative error is less than 10% with a high accuracy.
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    • References (10)
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