Three Stand Copper Rolling Mill

Edger path line adjustment is motorized. CLOSE LOOP system for AUTO CORRECTION of width and thickness due to which we can increase the speed of the machine. We can take the reading manually but it is possible for a line speed of upto 120-200mpm.
The main control is from D.C. DIGITAL drive Make ABB, Model DCS 800 which has some excellent features over other drives :

• It has double bridge.
• Good adaptive programming.
• Very good Speed control with an accuracy of 0.005% with encoder.
• Speed controller cycle time is 3.3millisec.
• Current controller response time is 3.0 millisec.

The machine operation is controlled by PLC programming. The communication between the controller and drive is through Profibus which transfers the data at a speed of 3 Mbps. The operation is through touch screen. Digital feeding of ratios and speed is possible.