Research and application of computer control system for aluminium single‐stand 4‐high cold rolling mill

Improvement of thickness tolerances For a two-stand aluminium cold rolling mill

trol loops to compensate backup roll eccentricity and harmonic hardness variation allows a significant improvement in strip thickness performance. These measures were successfully implemented as an extension to an exist ing two-stand aluminium cold rolling mill. An essential quality characteristic in the cold rolling sector is the minimum thickness deviation that can be achieved at final gauge,...

A Cold Rolling Mill Model for Unwinding Diagnosis

A model is presented which describes the uncoiling process of a rolling mill in fault-less and in faulty situations. This model is implemented in the DYMOLA modelling and simulation environment. It is used for two purposes: first for the simulation of the unwinding process and second for model-based fault diagnosis. For the latter diagnostic task, a simplified model is derived. Results of the s...

Rolling mill simulator A new platform for testing, analysis and optimization of cold rolling mills

The cold rolling of flat metal products especially in tandem or multi-stand mills is a highly complex process where the product quality is influenced by various aspects. With the help of a hardware-in-the-loop simulator, the complete rolling process can be simulated and tested in real-time. This allows pre-commissioning and pre-optimizations before the actual commissioning work is done on the p...

Design of a Fuzzy Feed-forward Controller for Monitor HAGC System of Cold Rolling Mill

In this study we propose a novel monitor hydraulic automatic gauge control (HAGC) system based on fuzzy feedforward controller. This is used in the development of cold rolling mill automation system to improve the quality of cold strip. According to features/ properties of entry steel strip like its average yield stress, width of strip, and desired exit thickness, this controller realizes the c...

Mill Control System and Method for Control of Metal Strip Rolling