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Web roll manufacturing method, web roll winding method and internal stress calculation method
Web roll manufacturing method, web roll winding method and internal stress calculation method
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机译:幅材卷的制造方法,幅材卷的卷绕方法和内应力计算方法
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摘要
PURPOSE: A manufacturing method of a web roll, a winding method of a web roll, and an internal stress calculation method are provided to compute the winding conditions of a web by calculating the internal stress of the web and wind the web based on the computed winding conditions. CONSTITUTION: A manufacturing method of a web roll is as follows. A dummy roll for evaluation is manufactured by winding a web around a winding core. Multiple division models are formed by cutting the web roll in a width direction. The circumferential stress or radial stress of the web is computed based on the circumferential young's modulus, radial young's modulus, and winding tension profile of each division model. A fault generation stress range is computed from the fault generation winding diameter of the dummy roll and the computed stress of each winding diameter.
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