| 摘要 |
<p>A method and apparatus for automatically controlling the thickness of product (12) emerging from a rolling mill. Signals indicative of total roll force (F), rollgap position (S), angular position (v) of a first mill roll and downstream product thickness (h) are utilized to obtain an output signal indicative of total roll eccentricity affecting the true instantaneous rollgap position (S) as a function of the measured mill roll angular position (v). The output signal may be used to compensate an estimate of instantaneous thickness of the product (12) for the purpose of controlling the gap between work rolls (3, 4). If preferred the output signal may be further processed to obtain an output signal indicative of the period roll eccentricity of a set of rolls (3, 4) having a common period of rotation or of a plurality of such sets.</p> |
