| 摘要 |
PURPOSE:To produce effectively a cold-rolled steel sheet with the rationalized layout of a continuous production device for the cold-rolled steel sheet by installing a pickling device, a continuous cold rolling device and a continuous annealing device on the same line and changing the moving direction of the steel sheet in the middle. CONSTITUTION:A pickling device 8, a cold rolling mill 10 and a continuous annealing device 14 which are main installations are installed on the same line in order to make the production fully continuous in the stage of cold rolling a hot-rolled steel sheet 3. The line including ancillary installations is extremely long in this case and poses a problem in a factory layout and therefore direction changers 11a, 11b are provided just behind the mill 10 in this line to introduce the cold-rolled steel sheet into the furnace 14 after the direction of the line is changed respectively 90 deg. by said devices. If the line is formed to a U shape in such a way, the rational formation of the factory layout is made possible. |
