Feasibility study on design and development of an advanced online flatness measurement system for improving control of rolled flat strips.


The increasing demands for ultra-high quality rolled metal strips (e.g. bright-annealed stainless steel) have posed great challenge for online flatness measurement systems. Online flatness measurement is very complex due to the high tension of the rolled strip and the measurement accuracy required. It becomes more difficult with increasing rolling speed and decreasing strip thickness. Current flatness measuring systems employ indirect contract force measurement or noncontact deflection measurement. However, such systems are subject to some apparent disadvantages and more powerful and reliable noncontact systems are in great desire. The objective of this project is to investigate the feasibility of proposing an improved noncontact online flatness measurement system to address the drawbacks of current systems, and to serve modern rolling mills for producing ultra-high quality end products. This project will surely benefit the partner organization – Magnum Integrated Technologies Inc. and its subdivision Waterbury Farrel, who are world renowned leader in design and manufacturing of rolling mills and metal-forming and cutting machinery. Improvement in flatness control in the partner’s rolling mills will greatly enhance the competitive strength of their products.



Faculty Supervisor:

Dr. Farrokh Janabi-Sharifi


Ali Tavallaei


Magnum Integrated Technologies Inc.


Engineering - mechanical


Construction and infrastructure


Ryerson University



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