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《Journal of University of Science and Technology Beijing》 2008-02
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Mechanism of generating edge buckling in galvanized strips with mild character during coiling process and its solution

CHANG Tiezhu1),ZHANG Qingdong1),BAI Jian1),JIANG Zhenglian2),WU Bin2)1) School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083,China2) Cold Rolling Department,Baoshan Iron & Steel Co.Ltd.,Shanghai 200941,China  
The closepacked edge wave appears in the process of payingoff(color coating line) after coiling process in continuous galvanizing line,and the uncoated area on the edge makes the strip out of use.By measuring the spot and analytically calculating the plastoelastic deformation of the strip in coiling process using the iteration of layer by layer,the effects of the number of coiling layers,coiling tension,strip thickness and minus crown on the stress field and displacement field of the strip in coiling process were quantitative studied,and the mechanism of generating this phenomenon was revealed.Based on the analytical results and measured data,the coiling technological parameters was modified,the defect of edge buckling generated in coiling process was effectively controlled,and the up-to-standard rate of products was markedly upgraded.
【Fund】: 国家自然科学基金资助项目(No50675021)
【CateGory Index】: TG335.55
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