| 冷轧带钢边部横纹缺陷产生原因及预防措施 |
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| 引用本文： | 孙海利.冷轧带钢边部横纹缺陷产生原因及预防措施[J].河北冶金,2012(8):48-50. |
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| 作者姓名： | 孙海利 |
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| 作者单位： | 唐山建龙实业有限公司,河北唐山,064200 |
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| 摘 要： | 冷轧退火后的带钢,在平整过程中产生边部横纹,严重影响带钢的表面质量。通过现场研究分析,得出边部横纹产生的机理是由于带钢弯曲或者钢卷晃动等造成单边受力,发生屈服,产生滑移线所致。通过采取前道工序松边轧制、平整张力工艺调整、适当增加轧制力或延伸率、提高生产速度等措施可以有效预防和减轻横纹缺陷的产生。
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| 关 键 词： | 冷轧带钢 边部横纹 屈服变形 预防措施 |
REASON AND PRECAUTION MEASURES FOR EDGE CROSS CRACKS ON COLD-ROLLING STRIP STEEL |
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| Sun Haili.REASON AND PRECAUTION MEASURES FOR EDGE CROSS CRACKS ON COLD-ROLLING STRIP STEEL[J].Hebei Metallurgy,2012(8):48-50. |
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| Authors: | Sun Haili |
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| Affiliation: | Sun Haili(Tangshan Jianlong Industry Co.,Ltd.,Tangshan,Hebei,064200) |
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| Abstract: | After cold-rolling and annealing edge cross cracks would form on strip steel,and it would affect the surface quality of strip steel.Through site research and analysis it is concluded the mechanism of cross crack is that because of bending and shaking the strip steel would be forced on one side and so yield and sliding line emerge.It can be prevented through measures: rolling under loose edge in former procedure,flattening tension process adjusting,properly increasing rolling load or elongation,increasing production speed and etc. |
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| Keywords: | cold-rolling strip steel edge cross crack yield deformation precaution measures |
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