Rolling pressure control method for finishing rolling of titanium plate in hot continuous rolling line
A rolling pressure and control method technology, applied in tension/pressure control, metal rolling, etc., can solve the problems that the chemical composition of the titanium plate cannot be provided, cannot be tested and calculated, and the hardness of the titanium plate cannot be tested, so as to achieve rolling stability good effect
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Embodiment 1
[0109] In this embodiment, the titanium plate TA1 is rolled, and the first titanium plate is rolled, and the coil number is 999113001.
[0110] The billet specifications are: thickness 206mm, width 1235mm, length 8040mm; rough rolling exit thickness 35mm, finish rolling product specifications: thickness 6.0mm, width 1238mm, target temperature 690°C.
[0111] The titanium plate billet is heated in the trolley furnace, and the target temperature of the furnace is 880°C. After being out of the furnace, the rough rolling adopts seven-pass rolling, and the exit thickness is 35mm. The seven-pass rolling data is as follows:
[0112]
[0113] Note: The set pressure refers to the calculated pressure, and the set roll gap refers to the actual roll gap.
[0114] The total actual pressure of seven passes of rough rolling is 147582KN.
[0115] The rolling pressure of the finishing rolling is calculated by the calculation method of the long genetic superposition correction value, and th...
Embodiment 2
[0219] In this embodiment, the titanium plate TA2 is rolled, and the first titanium plate is rolled, and the volume number is 99A219301.
[0220] The specifications of the billet are: thickness 209mm, width 1133mm, length 7375mm; rough rolling exit thickness 35mm, finished product specification: thickness 4.5mm, width 1138mm, target temperature 690°C.
[0221] The titanium plate billet is heated in the trolley furnace, and the target temperature of the furnace is 880°C. After being out of the furnace, the rough rolling adopts seven-pass rolling, and the exit thickness is 35mm. The seven-pass rolling data is as follows:
[0222]
[0223] Note: The set pressure refers to the calculated pressure, and the set roll gap refers to the actual roll gap.
[0224] The total actual pressure of seven passes of rough rolling is 141560KN.
[0225] The rolling pressure of the finishing rolling is calculated by the calculation method of the long genetic superposition correction value, and ...
Embodiment 3
[0329] In this embodiment, the titanium plate TA3 is rolled, and the first titanium plate is rolled, and the coil number is 991148901.
[0330] The billet specifications are: thickness 200mm, width 1190mm, length 7795mm; rough rolling exit thickness 35mm, finish rolling product specifications: thickness 5.0mm, width 1190mm, target temperature 690°C.
[0331] The titanium plate billet is heated in the trolley furnace, and the target temperature of the furnace is 880°C. After being out of the furnace, the rough rolling adopts seven-pass rolling, and the exit thickness is 35mm. The seven-pass rolling data is as follows:
[0332]
[0333] Note: The set pressure refers to the calculated pressure, and the set roll gap refers to the actual roll gap.
[0334] The total actual pressure of seven passes of rough rolling is 153906KN.
[0335] The rolling pressure of the finishing rolling is calculated by the calculation method of the long genetic superposition correction value, and th...
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