Causes and control measures of edge drum defects in cold rolled steel strip

The edge drum of steel coil is mainly due to the irregular cross section shape of hot rolled steel coil, that is, the local high point, resulting in the defects of bulging or strip-like protrusion of cold rolled steel strip at the high point.

Hot rolled steel coils of local high position in the width direction, due to the cause of the cold rolling base plate thicker, not protruding during hot rolling coiling, but due to the flatness of hereditary cannot eliminate in the subsequent cold-rolled, caused by cold rolling with an extension of uneven in length direction, high place an extension of the extension is greater than the width on the other, This results in a plate shape defect and a drum edge.

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Causes and control measures of edge drum defects in cold rolled steel strip

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