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| Improvement measures of roll’s curve grinding precision for cold strip mill |
| ZHANG Long1，WANG Dong-cheng1,2，MA Xiao-bao1，WANG Zhi-jie1，ZHANG Shuai1 |
（1. National Engineering Research Center for Equipment and Technology of Cold Rolling Strip，Yanshan University，Qinhuangdao 066004，Hebei，China
2. State Key Laboratory of Metastable Materials Science and Technology，Yanshan University，Qinhuangdao 066004，Hebei，China） |
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Abstract The optimization of roll profile is an effective way to improve the rolling mill’s flatness and thickness profile control ability. However，the ability and precision of grinding machine is limited，so the deviation between the object roll profile and the actual grinding profile is inevitable，which will weak the application effect of roll profile. Aimed to the problem，the deviation distribution regularities are analyzed，and then two improvement measures including the offset and tilt compensation of targeted roll profile are put forward，which reduces significantly the mean square error between the object roll profile and the actual grinding profile，and the asymmetry of roll profile is basically eliminated，so the application effect of roll profile is improved. The results provide valuable reference for grinding roll profile with fixed deviation pattern.
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Received: 09 May 2016
Published: 09 December 2016
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2016, Vol. 51 
