B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
B21B 37/48 (2006.01) B21B 37/68 (2006.01)
Patent
CA 2278929
A method and an apparatus for correcting the strip travel when rolling strips in at least one roll stand, wherein measurement values relevant for the tensile stresses are measured on opposite sides of the exiting strip. Subsequently, the difference of the tensile stress values is computed in a control circuit as an actual value and the strip travel is corrected when the actual value deviates from a desired value by changing the roll adjustment of the at least one roll stand. The tensile stress values are measured at that strip portion which travels over a tension measuring device which, seen in the strip travel direction, is arranged behind the roll stand and transversely of the strip.
Hugh Daniel H.
Sudderth Stella M.
Borden Ladner Gervais Llp
Sms Schloemann-Siemag Aktiengesellschaft
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