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活套在热轧机组中是为了调整张力,在冷轧及精整机组中主要是为了储存带钢满足后续轧机用料,当冷轧机组在头尾段进行带钢上卷、剪切、焊接及卸卷等工序时,能保证整个机组的工序能正常连续的运行。活套的有效容量就是带钢的存储能力,带钢的存贮能力决定了机组生产节奏的稳定性,同时也直接影响机组的长度。
Looper in the hot-rolling mill is to adjust the tension in the cold-rolled and finishing unit is mainly to save the strip to meet the follow-up mill materials, when the cold-rolled unit in the head and tail section of the coil winding, cutting, Welding and unloading processes, to ensure that the entire unit of the process can be normal continuous operation. The effective capacity of the looper is the storage capacity of the strip. The storage capacity of the strip determines the stability of the rhythm of the production unit and also directly affects the length of the unit.