Journal
CIRP ANNALS-MANUFACTURING TECHNOLOGY
Volume 67, Issue 1, Pages 313-316Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cirp.2018.04.107
Keywords
Rolling; Piezoelectric; Accuracy
Funding
- Deutsche Forschungsgemeinschaft (DFG) [HI790-52-1]
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Particularly in fast rolling mills, conventional actuators reach their dynamic limits, when longitudinal thickness variations of the incoming strip shall be reduced with high accuracy by model-predictive roll gap control. Accordingly, the applicability of highly dynamic piezoelectric actuators in combination with electromechanical spindles and a high frequency precision measurement of the thickness in front of the roll gap was examined. Rolling tests in a cold rolling mill for narrow slit strips show that this novel concept is suitable to provide the required dynamic actuation especially at high rolling speed. (C) 2018 Published by Elsevier Ltd on behalf of CIRP.
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