| 摘要 |
A steel rolling installation has a pair of rolling cylinders (1) whose gap setting is automatically adjusted(2). The transfer speed of the incoming steel is measured by a signal generator(8), linked to a pair of contact rollers(9). A similar speed measuring installation(10,11) is at the outlet side of the rolling cylinders(1). The data from these two speed sensors, together with signals from thickness sensors(6,7) on either side of the rolling station, are fed into a process controller(12). Thus the correct roller(1) setting occurs when the measured thickness reaches the roller gap.
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