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作 者:战波[1,2] 孙业选 刘亚星 ZHAN Bo;SUN Ye-xuan;LIU Ya-xing(Cold Rolling Plant of Baoshan Iron&Steel Co.,Ltd.,Shanghai 200914,China;Cold Rolling Plant of Zhanjiang Iron&Steel Co.,Ltd.,Zhanjiang 524072,China;National Engineering Research Center for Equipment and Technology of Cold Strip Rolling,Yanshan University,Qinhuangdao 066004,China)
机构地区:[1]宝山钢铁股份有限公司冷轧厂,上海200914 [2]湛江钢铁有限公司冷轧厂,广东湛江524072 [3]燕山大学国家冷轧板带装备及工艺工程技术研究中心,河北秦皇岛066004
出 处:《塑性工程学报》2022年第5期86-91,共6页Journal of Plasticity Engineering
摘 要:针对六机架冷连轧机组超高强钢轧制过程不稳定的问题,充分结合该机组的设备与工艺特点,基于六机架冷连轧机组乳化液润滑系统,研究了乳化液浓度及温度与润滑油膜厚度、摩擦因数的函数关系模型,分析了油膜厚度对打滑和热滑伤的影响。以不发生打滑和热滑伤为约束,以实现带钢上下表面轧制稳定性控制为目标,开发了六机架冷连轧机组超高强钢乳化液浓度及温度优化设定技术,并将其推广应用到某钢厂1750六机架冷连轧机组。结果表明超高强钢冷连轧过程的轧制稳定性大大提高。Aiming at the problem of instability in the rolling process of ultra-high strength steel in six-stand tandem cold rolling mill,fully combining with the equipment and process characteristics of the mill,the functional relationship model between emulsion concentration and temperature and lubricating oil film thickness,friction factor was studied based on the emulsion lubrication system of six-stand tandem cold rolling mill.The influence of oil film thickness on slipping and thermal slip injury was analyzed.Taking no slipping and thermal slip injury as constraints,taking the realization of rolling stability control of the upper and lower surfaces of strip steel as goal,the optimization setting technology of emulsion concentration and temperature of ultra-high strength steel in six-stand tandem cold rolling mill was developed and applied to the 1750 six-stand tandem cold rolling mill in a steel mill.The results show that the rolling stability of tandem cold rolling process of ultra-high strength steel is greatly improved.
关 键 词:超高强钢 冷连轧 乳化液 浓度 温度 轧制稳定性
分 类 号:TG333[金属学及工艺—金属压力加工]
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