... line : (Photos just forreference )1). un-coiler (Optional devices) : (1). Use of un-coiler : to support and uncoil the steel coil ... , tenses the coil. Inner diameter of coil: φ 450 -550mm, Max outer diameter of coil :φ1000mm-1250mm. Capacity ... (height 6). PLC control system :PLC control the whole line.Human-machine interface, whirl encoder calculates the length, touch screen ...