Model building of backup roller diameter effect rate in 4-high mill

被引：0
|
作者：
Xu, JZ
Gong, DY [1 ]
Liu, XG
Wang, GD
Zha, XL
机构：
[1] Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110004, Peoples R China
[2] Benxi Iron & Steel Corp, Benxi 117000, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2004年 / 20卷 / 04期
关键词：
4-high mill; influence coefficient method; strip profile; hot rolling; backup roller diameter; effect rate;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Software for calculating the strip profile in 4-high hot rolling mill was developed using influence coefficient method. Regularity of backup roller diameter effect rate was studied systematically using the software. The results show that backup roller diameter effect rates decrease versus the increase of strip width, increase significantly versus the increase of backup roller diameter and obscurely increase versus the increase of reduction. The difference between backup roller diameter effect rate and it is reference value increases versus strip width increasing. When backup rollers diameter is set to be 1.64 m and strip width is 1.85 m, the error of strip profile calculated using the model of backup roller diameter effect rate reference value will be 3.55 mum. Based on the results, reference values of roller diameter effect rate and six power polynomial fitting coefficients of modification coefficients were determined considering coherent parameters. The high precision model of backup roller diameter effect rate was established. When the model is used to predict strip profile, the accuracy is less than 5.0 mum.
引用
收藏
页码：454 / 456
页数：3
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