Comprehensive control method for improving rolling force of precisely rolled strip steel and thickness precision through tension compensation
A technology of comprehensive control and thickness accuracy, applied in the direction of rolling force/roll gap control, tail end control, etc., can solve problems such as inconsistency
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[0049] See image 3 , A comprehensive control method for improving the rolling force and thickness accuracy of the finished strip through tension compensation, including the following steps:
[0050] Step 1: Calculate the deformation resistance and rolling force of the finished strip under high tension during the looper lifting process;
[0051] In order to consider the influence of different tension states on the rolling force calculation during the rolling process, this patent proposes the following deformation resistance model considering tension compensation:
[0052]
[0053] Where: km 1 Is the deformation resistance of the rolled piece under high tension, σ 0 Is the influence item of the chemical composition of the rolling stock, Is the influence item of the effective deformation degree, Is the influence term of effective deformation rate, k T (T) is the influence item of deformation temperature; T F , A F , —Respectively the forward tension, the influence coe...
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