Method for dynamically setting tandem rolling schedule of hot rolling strip
A rolling schedule and hot-rolled sheet technology are used in the determination of the rolling schedule for hot-rolled strip steel and the dynamic setting of the rolling schedule for hot-rolled strips. The effect of saving calculation time, saving iterative steps, and simple algorithm
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[0043] The present invention will be further described below in combination with specific embodiments.
[0044] Taking the production line of the 6-stand hot continuous rolling finishing unit as an example, the material of the steel plate is Q235, the feeding thickness of the rough rolling mill is 30 mm, the feeding width is 1500 mm, the feeding temperature is 1050 °C, the target finished product thickness is 7.45 mm, and the final rolling temperature is 870 °C.
[0045] Step 1. Obtain the standard reduction distribution coefficient table and the standard load distribution coefficient table
[0046] Step 2. Initialize the data and extract the rolling process parameter table
[0047] Speed standard table (270.000, 330.000, 400.000) for code (1, 1, 2, 3, 7)!
[0048] Speed standard table (220.000, 300.000, 370.000) for code (1, 1, 2, 3, 8)!
[0049] Looper tension standard table (0.250, 0.400, 0.200, 0.350, 0.500) for code (1, 3, 7)!
[0050]Speed curve standard table (...
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