A Method for Controlling the Thickness Accuracy of Medium and Heavy Plate
A technology of precision control and thickness control, applied in rolling mill control devices, metal rolling, manufacturing tools, etc., can solve problems such as the reduction of steel plate rolling yield, the inability to fully consider constraints, and the impact on enterprise economic benefits.
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[0061] The thickness accuracy control method of the medium and heavy plate of the present invention mainly considers various factors and constraints, and comprehensively uses various setting, actual measurement, measurement and other means, through the thickness control in the length direction of the steel plate and the width direction of the steel plate. Five control measures including thickness control, absolute steel thickness control, thickness gauge accuracy control and secondary rolling target thickness control make the model accuracy closer to reality, program design closer to science, and hardware settings and functions closer to Standards to achieve the goal of improving the thickness accuracy of medium and thick plates. The specific process and method of thickness accuracy control are:
[0062] 1. Thickness control in the length direction: mainly AGC control.
[0063] Generally, the AGC mode used in the semi-automatic and fully automatic state of the heavy plate rolling ...
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