| 摘要 |
PURPOSE: A method for manufacturing extreme-thick material cold rolled sheet is provided to prevent wrinkle due to swelling in the edge part by leveling width directional thickness profile of sheet and improve the shape quality. CONSTITUTION: In a method for manufacturing extreme-thick material cold rolled sheet in a 6-Hi stand to easily process continuous annealing, strip crown of stand outlet side satisfies a formula Ci=(-5.52 ε - 0.95561)Fw,i + (-1.284ε -0.24397)FI,i + (1.45ε+0.2397)δi + (0.15ε+0.03604)Pi-0.43615CH,i + 7.20308, wherein Fw,i is curvature force of each stand working roll, Fi,i is curvature force of each stand intermediate roll, and δi is displacement of each stand intermediate roll, and Pi is reduction force of each stand (i=1-5).
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