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METHOD FOR ESTIMATING YIELD STRESS AND ELASTIC MODULUS OF MATERIAL TO BE STRAIGHTENED IN HOT ROLLER-STRAIGHTENING, AND METHOD FOR OPERATING ROLLER LEVELER
METHOD FOR ESTIMATING YIELD STRESS AND ELASTIC MODULUS OF MATERIAL TO BE STRAIGHTENED IN HOT ROLLER-STRAIGHTENING, AND METHOD FOR OPERATING ROLLER LEVELER
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机译：热轧矫直材料的屈服应力和弹性模量的估算方法及轧辊水平的操作方法
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摘要
PROBLEM TO BE SOLVED: To precisely predict the yield stress and the elastic modulus of a material to be straightened in hot roller-straightening.;SOLUTION: The warp and the undulation of the material to be straightened are flattened by letting the material pass between rolls of a roller leveler, in which a plurality of rolls are arranged in a vertically zigzag pattern, and repeatedly applying hot-bending to the material. Further, in the hot roller-straightening that gives a desired warp or undulation to a material to be straightened, the yield stress and the elastic modulus of the material are made to be a function of an arbitrary parameter, the parameter is estimated from the set position of each roll of a roller leveler and the straightening load in roller-straightening, and, by this estimated parameter, the yield stress and the elastic modulus of the material to be straightened are estimated.;COPYRIGHT: (C)2009,JPO&INPIT
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