Industrial shape detecting system of cold rolling strip |
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| Authors: | Li-po Yang Bing-qiang Yu Dong Ding Hong-min Liu |
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| Affiliation: | [1]National Engineering Research Center for Equipment and Technology of Cold Strip Rolling, Yanshan University, Qinhuangdao 066004, China [2]State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China |
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| Abstract: | A high-precision shape detecting system of cold rolling strip is developed to meet industrial application, which mainly consists of the shape detecting roller, the collecting ring, the digital signal processing (DSP) shape signal processing board and the shape control model. Based on the shape detecting principle, the shape detecting roller is designed with a new integral structure for improving the precision of shape detecting and avoiding scratching strip surface. Based on the DSP technology, the DSP shape signal processing circuit board is designed and embedded in the shape detecting system for the reliability and stability of shape signal processing. The shape detecting system was successfully used in Angang 1 250 mm HC 6-high reversible cold rolling mill. The precision of shape detecting is 0.2 I and the shape deviation is controlled within 6 I after the close loop shape control is input. |
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| Keywords: | shape detecting digital signal processing （DSP） shape signal processing close loop shape control cold rolling strip |
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