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上海市冶金局于84年3月在上海召开了“φ45/φ200×160mm四辊不可逆冷轧机恒张力液压卷取控制装置”技术鉴定会。该装置由上海冶金设计研究与上海第三冷轧带钢厂共同研制的。使先进的电液比例控制技术首次应用于冷轧带钢生产,实现了高精度冷轧机的恒张力自动控制。自83年正式投产以来,运行正常。此种装置,在整卷(空卷筒直径为φ200,
Shanghai Metallurgical Bureau in March 84 held in Shanghai, “φ45 / φ200 × 160mm four-roll irreversible cold rolling machine constant tension hydraulic control device,” technical appraisal. The plant was jointly developed by Shanghai Metallurgical Design and Research and Shanghai No.3 Cold Rolling Plant. The advanced electro-hydraulic proportional control technology was first applied to the cold-rolled strip production to achieve constant tension automatic control of the high-precision cold rolling mill. Since its official production in 1983, it has been operating normally. Such devices, the entire volume (empty reel diameter φ200,