They are tested firstly in testing saw with intent to analysis the force, power and dynamic characteristic, then put into operation in medium section mill for checking their performances.

This paper introduces the controlling method to do roll gap regulation used of ABB MASTER system on medium small section mill of Laiwu iron and steel group co.

Briefly describes the characters of technology, equipments and electric automation for production line of medium and small section fully continuous rolling mill imported by Laiwu iron and steel co.