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| Study on Skin Passing Technology of Non-oriented Silicon Steel |
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Abstract The shape and surface quality are important quality index of non-oriented silicon steel strip. Considering the lamination factor, the non-oriented silicon steel must have a smooth surface and good shape. According to the characteristics of production technology of non-oriented silicon steel strip, a mathematic model that design the roll shape and the skin passing technology is construct．In this model, the uniformity of the distribution of front tension is taken as the objective function. Based on this, a skin passing technology of non-oriented silicon steel strip and temper mill’s roll shape is developed. In this skin passing technology, the rolling force is about 80~200KN, the skin passing tension is about 10~40MPa, the skin-pass rate is Less than 0.1%. The application of this technology in industry shows that the new roll shapes and the skin passing technology not only guarantee the shape and surface quality of non-oriented silicon steel strip, but also guarantee the non-oriented silicon steel’s electromagnetic performance.
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Received: 26 May 2009
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2010, Vol. 45 
