Hot-rolled strip steel mathematical model data layer judgment method
A mathematical model and hot-rolled strip technology, applied in metal rolling, metal rolling, rolling mill control devices, etc., can solve the problem of reducing model calculation accuracy, unavoidable cross-layer phenomena, and affecting product dimensional accuracy and rolling stability To achieve the effect of improving setting accuracy and rolling stability, ensuring setting reliability and maintaining continuity
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[0038] A kind of method for judging the data layer of hot-rolled strip mathematical model data according to the present invention is characterized in that, comprising:
[0039] 1) Mathematical model layer division rules:
[0040] The main factors affecting the rolling stability of the strip steel or the properties of the strip steel are: steel type, thickness, width, finishing temperature and coiling temperature. The rules for dividing the layers of the mathematical model according to different factors affecting the properties of the strip steel are:
[0041] a) Classification of material layers: For varieties with no sudden change in strip properties, the material layers are classified according to carbon equivalent CEQ, and the layer number of each file is Gi, i=1~10; the carbon equivalent interval LGi of each file is 0.03 ~0.10; CEQ calculation formula is:
[0042] CEQ=(C+Mn / 6+Si / 24)×100%; wherein C, Mn, Si are respectively the weights of carbon, manganese, and silicon ele...
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