METHOD FOR CONTROLLING STRIP THIKNESS IN A ROLLING MILL

摘要

A control method of plate thickness at a rolling mill is provided to control thickness of a plate precisely by amending estimated errors of the plate conveniently. A control method of plate thickness at a rolling mill comprises the following steps of: storing measured thickness values of a metal steel plate and an estimated thickness value of a plate material(40) in the rolling roll(10); storing error values; measuring final estimation thickness by applying the errors on the measured thickness; and controlling distance between a pair of rolling rolls.