冷轧无取向硅钢横向厚度差控制技术

doi:10.13228/j.boyuan.issn0449-749x.20150105

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Abstract Currently，the difference of transverse thickness was large in a 1420 mm cold mill in the beginning of the production of cold rolled non-oriented silicon steel. Hence，the quality could hardly meet the requirement of downstream users. To solve the problem，the adaptability of the hot rolled strip for the production of cold rolled non-oriented silicon steel and the strip shape control performance of the UCM were investigated. With the industrial field experiment conducted，combining the finite element analysis of the roll stack deflection，the influence of the different hot rolling and cold rolling processes on the non-oriented silicon steel transverse thickness difference was studied. Consequently，the main hot rolling and cold rolling processes parameters were optimized and a set of technology schedule for non-oriented silicon steel transverse thickness difference control was also proposed. With the technology schedule applied to the industrial production，the hit rate of non-oriented silicon steel transverse thickness difference has been improved a lot. The hit rate within 10 μm rose from less than 60% to 100%. The hit rate within 7 μm came up to 90% .

Received: 12 March 2015 Published: 06 January 2016

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	Articles by authors
	XIONG Wen-Shou
	GUO De-Fu
	DING Mei-Liang
	XUN Lin

Cite this article:

XIONG Wen-Shou,GUO De-Fu,DING Mei-Liang等. Technology of the transverse thickness difference control for cold rolled non-oriented silicon steel[J]. Iron and Steel, 2016, 51(1): 65-69.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20150105 OR http://www.chinamet.cn/Jweb_gt/EN/Y2016/V51/I1/65

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