Zero-step-production three-roller type roughing mill for narrow strip steel and pass determining method thereof

The invention discloses a zero-step-production three-roller type roughing mill for a narrow strip steel and a pass determining method thereof and belongs to the technical field of steel rolling. Roller bodies of three rollers of the three-roller type roughing mill form plain roller bodies which are...

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Bibliographic Details
Main Author SUN XIUHUA
Format Patent
LanguageChinese
English
Published 27.09.2019
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Summary:The invention discloses a zero-step-production three-roller type roughing mill for a narrow strip steel and a pass determining method thereof and belongs to the technical field of steel rolling. Roller bodies of three rollers of the three-roller type roughing mill form plain roller bodies which are mainly provided with polished surfaces. On one aspect, the roughing pass demand of the narrow strip steel is met. On the other aspect, when used for diagonal steel biting, the roller bodies are different from grooved roller bodies, can effectively prevent the pass-bitten edge part of a steel blank from forming a step, and at the same time, also avoids the axial shift, caused by edge part stress, of the rollers. The pass determining method has the advantages that only the roller bodies of the middle roller and the lower roller need to be cut, and cutting is mainly carried out on the plain roller bodies, so that cutting difficulty is greatly reduced, pass cutting is simplified, and the efficiency is greatly increased
Bibliography:Application Number: CN201910565515