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Sizing-rolling method for continuous length sections, rolling mill driving mechanism, roll depressing mechanism and roll fixing mechanism
Sizing-rolling method for continuous length sections, rolling mill driving mechanism, roll depressing mechanism and roll fixing mechanism
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机译:连续长度段的定径轧制方法,轧机驱动机构,压辊机构和辊固定机构
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摘要
The invention is directed to provide a rolling method which enables an enlarged range of reduction ratio in sizing-rolling in the common drive system. The invention provides that when tension applied to rolled material between the upstream and downstream-placed mills is made higher than a value that tension/average resistance to deformation of rolled material is 0.2, the upstream-placed mill is caused to perform force rolling, and when compressive force of the rolled material is made higher than a value that compresssive force/average resistance to deformation of rolled material is 0.1, the downstream-placed mill together with the upstream-placed mill are caused to perform tensile rolling in the common drive system. The rolling methods provides a stable rolling in a larger sizing range without decrease of diameter or buckling of rolled material.
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