Improving the thickness accuracy of cold rolled narrow strip by piezoelectric roll gap control at high rolling speed

被引：13

作者：

Stockert, Sven ^{[1
]}

Wehr, Matthias ^{[2
]}

Lohmar, Johannes ^{[1
]}

Hirt, Gerhard ^{[1
]}

Abel, Dirk ^{[2
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Met Forming IBF, D-52056 Aachen, Germany

[2] Rhein Westfal TH Aachen, Inst Automat Control IRT, D-52074 Aachen, Germany

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2018年 / 67卷 / 01期

关键词：

Rolling; Piezoelectric; Accuracy; ACTUATORS; DESIGN;

D O I：

10.1016/j.cirp.2018.04.107

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页码：313 / 316

页数：4

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