A Comprehensive Optimization Method of Emulsion Flow for Ultra-Thin Strip Rolling in Cold Tandem Mill

A technology of cold tandem rolling unit and emulsion, which is applied in the direction of rolling mill control devices, metal rolling, metal rolling, etc., and can solve the problems of self-excited vibration of ultra-thin strip rolling mill and optimization setting, etc.
CN104858241BActive Publication Date: 2017-01-04BAOSHAN IRON & STEEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BAOSHAN IRON & STEEL CO LTD
Publication Date
2017-01-04

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Abstract

The invention discloses an emulsion flow comprehensive optimization method in cold continuous rolling set ultrathin strip steel rolling, and relates to special control equipment or a method for a metal rolling mill or processed products thereof, in particular to the emulsion flow comprehensive optimization for comprehensive control in a cold continuous rolling set ultrathin material rolling process; traditional equipment parameter and process parameter data of a cold continuous rolling set control system is used for defining emulsion flow comprehensive optimization process parameters synchronously considering the slip, the vibration and the heat slide damage and giving consideration to the plate shape and the pressing control to determine optimal flow distribution values of all frames under present tension system and reduction schedules; and the emulsion flow comprehensive optimization setting in the ultrathin strip steel rolling is realized through the computer program control. The method adopts different emulsion flow systems for strip steels with different thicknesses, so that the vibration phenomenon of the final frame can be obviously weakened, the stable rolling speed is greatly stabilized, and the capacity of the cold continuous rolling set is improved while enhancing the quality of rolled ultrathin strip steel products.
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Description

technical field

[0001] The invention relates to a control device or method specially suitable for a metal rolling mill or its processed products, in particular to a comprehensive optimization method for emulsion flow in the process control of a cold tandem rolling mill in the rolling process of extremely thin materials. Background technique

[0002] The 3+2 five-stand tandem cold rolling mill is widely used in steel rolling production line. Stands 4-5 adopt a five-stand cold tandem rolling unit of a six-roller model. Compared with the tandem cold rolling mill whose five stands are all four-rollers, the last two stands of the 3+2 five-stand tandem cold rolling mill are six-rollers, and the rolling mill of the six-roller The diameter of the rolls is smaller, the shape control ability is stronger, and the thinning capacity is much stronger than that of the cold tandem mill with all five stands of the four-high model. At the same time, compared with the tandem cold rolling mil...

Claims

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