Flattening process for steel strip

Abstract

The invention discloses a belt steel flattening craft, which is comprised the following parts: flattening roll roll-shape optimization design, flattening processing parameter optimization design initialization and elongation and slab-shaped composite optimization control, therein the craft doesn't need to draft flattener, which can guarantee export belt steel board mold and mechanical property on one common planisher; the invention is fit for hot-dip coating zinc units and annealed flattening; the belt steel slab-shaped guarantee value is 4-6T; the hit ratio is more or equal to 97%; the elongation control accuracy is smaller or equal to +-0.1%.

Description

technical field [0001] The invention relates to a steel processing method, in particular to a strip steel smoothing process. Background technique [0002] Leveling is to roll the strip steel after recrystallization annealing with a small amount of deformation (elongation is generally 0.2% to 3%) to eliminate the yield platform, ensure mechanical properties, control the shape of the plate, and obtain the required surface Morphology of the rolling process. Regardless of the traditional or modern cold rolling process, leveling is one of the essential production links. Since leveling is the last process that determines the shape and mechanical properties of the finished strip, it is of great significance to ensure the quality of cold-rolled strip. [0003] At present, the leveling function of the hot-dip galvanizing line is jointly completed by the skin pass machine and the stretching bending leveler. The main function of the skin pass machine is to improve the mechanical prop...

AI Technical Summary

Problems solved by technology

[0009] In addition, countries in the world have not yet been able to make the mechanical properties and shape of the strip steel good at the same time, but products with high requirements on the shape of the strip (such as home appliance panels) focus on ensuring the shape of the strip instead of the mechanical properties. High-quality products (such as automotive panels) focus on ensuring mechanical properties rather than panel shape

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