剪切线张力控制系统及应用

来源期刊：冶金自动化2010年第1期

论文作者：许红兵 彭辉

文章页码：58 - 61

关键词：剪切线； 张力控制； 速度和转矩模式

Key words：slitting line； tension control； speed and torque mode

摘    要：铜陵金威铜业有限公司剪切线卷取机和张力辊之间的张力控制系统,通过控制张力辊转矩间接实现铜板带张力的恒定控制。卷取机由变频器控制,采用速度模式以恒线速运行。通过变频器控制张力辊电动机转矩,使其处于制动运行状态,并在某一恒定张力设定下保持恒张力运行,且张力辊速度跟随卷取机速度。这种控制方式可以保证机组运行时张力控制精度为5%的控制要求,并可满足带材卷取质量等方面的工艺要求。

Abstract: In tension control system between recoiler and tension roll for slitting line of Tongling Jinvi Copper Corp.,constant tension control of sheet copper can be indirectly realized through torque control of tension roll.Recoiler is controlled by frequency converter and operated in constant linear velocity under speed mode.Tension roll motor is controlled by frequency converter under torque mode to make tension constant.Frequency converter makes tension roll motor operate under braking mode and controls the velocity of tension roll following the velocity of recoiler.The control approach can implement 5% tension control precision requirement and satisfy technological requirements of quality for sheet copper coiling.