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在六十年代中期,新建的连轧机开始采用工作辊快速换辊装置,以提高连轧机的作业率。近年来,对快速换辊装置颇为重视,获得了进一步发展,工作辊的换辊时间可减少到5分钟左右。本文主要介绍武钢1700五机架冷连轧机工作辊的小车式快速换辊的特点,主要部件的结构和动作过程,如主轴定位、辊面分离、换辊缸的挂钩和换辊车等,并叙述了换辊用液压缸的液压系统和工作原理。
In the mid-1960s, the new tandem mill began to use the work roll quick-change device to improve the mill’s operating rate. In recent years, considerable attention has been paid to the rapid roll changing device, and further development has been achieved. The roll changing time of the working roll can be reduced to about 5 minutes. This paper mainly introduces the characteristics of the trolley quick change roll of the work rolls of WISCO’s 1700 five-stand tandem cold mill, the main components of the structure and the operation process, such as the spindle positioning, roll separation, Describes the hydraulic system and working principle of cylinder for roll change.