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Backlight plate ultra-flat and ultra-thin precision strip steel roller system precision control method

A roll system and configuration method technology, applied in metal rolling, manufacturing tools, metal rolling, etc., can solve the problems of restricting the flatness of ultra-flat precision stainless steel products, high requirements for roll system configuration, and large deformation of rolling mill stands , to achieve the effect of solving production bottlenecks, stabilizing surface quality and improving product quality

Active Publication Date: 2022-03-22
SHANXI TAIGANG STAINLESS STEEL PRECISION STRIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the currently configured rolling mills, such as the SUNDWIG four-column twenty-high-650 rolling mill, the overall rigidity of the rolling mill is poor, the deformation of the rolling mill stand is large during rolling, and the requirements for the configuration of the roll system are high. bottleneck

Method used

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  • Backlight plate ultra-flat and ultra-thin precision strip steel roller system precision control method
  • Backlight plate ultra-flat and ultra-thin precision strip steel roller system precision control method
  • Backlight plate ultra-flat and ultra-thin precision strip steel roller system precision control method

Examples

Experimental program
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Effect test

Embodiment 1

[0057] In this embodiment, Sundewei four-column 20-high rolling mill is used. According to the production plate shape, the roll system that the rolling mill needs to be equipped with is: the diameter of the backup roll is 165mm, the driving roll of the second intermediate roll is a flat roll, and the free roll of the second intermediate roll The convexity is 0.2 mm, the taper of the first intermediate roll is 130×0.2 mm, and the working roll is a flat roll.

[0058] The equipment process of the roll train of the rolling mill of the present embodiment is as follows:

[0059] Select a 165mm backing bearing for assembly, first measure the runout value of the bearing, and the runout value is within 0.005mm.

[0060] The bearing diameters are arranged according to the backing bearing diameter as follows:

[0061]

[0062] Measure the middle of the driving roll of the second intermediate roll, the double 1 / 4 side and the two ends of the roll, numbered 1-5, and ensure that the di...

Embodiment 2

[0072] In this embodiment, stainless steel with a steel grade of SUS316L, a thickness of 0.15 mm, and a width of 510 m is selected as a raw material. Select the 165mm support roll, driving roll, free roll with a crown of 0.2mm, the first intermediate roll of 130×0.2mm, and the work roll that has been ground according to the precision requirements. Roll trains are assembled for rolling.

[0073] The rolling table is as follows:

[0074]

[0075] During the rolling process, the shape control is fully automatic, and the work rolls are replaced every two passes. The finished product pass is tested for rolling, and after the rolled plate shape is stable, stop the car to take a sample with a length of 1m, and observe the warpage of the steel strip. After inspection, the warpage of the steel plate is less than 5cm, and the wave height is less than 3IU. Continue rolling until the rolling is completed.

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Abstract

The invention relates to the technical field of stainless steel rolling technologies and equipment, in particular to a precision control method for a backlight plate ultra-flat and ultra-thin precision strip steel roller system. The rolling mill roll system comprises a working roll, a first middle roll, a second middle roll and a supporting roll, and the diameter deviation of the supporting roll does not exceed 0.02 mm; the diameter deviation of the driving roller of the second intermediate roller is not more than 10 microns, and the diameter difference of the same roller is not more than 2 microns; the diameter difference of the free roller of the second middle roller at the midline equidistant position is not more than 2 microns; the same-roller diameter difference of the plane part of the first middle roller is not more than 2 microns; and the same-roller diameter difference of the working rollers does not exceed 3 microns. By means of the rolling mill roller system and the configuration method thereof, control over the precision of the backlight plate ultra-flat and ultra-thin precision strip steel roller system can be achieved.

Description

technical field [0001] The invention relates to the technical field of stainless steel rolling technology and equipment, in particular to a precision control method for ultra-flat and ultra-thin precision strip steel rolls of a backlight plate. Background technique [0002] Ultra-flat and ultra-thin precision strip steel for backlight panels refers to ultra-flat stainless steel strip steel with a thickness of less than 0.1mm. This stainless steel is used for the bottom substrate of the display screen. Excellent flatness, high-strength mechanical properties and light and thin characteristics are favored by high-tech and cutting-edge markets. However, with the increasing market requirements for products, the requirements for the flatness of ultra-thin stainless steel strips are more refined and strict, and the market applications are more extensive. For example, electronic products such as conventional LED substrates, OLED curved screens, and folding mobile phone screens, The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B13/02B21B29/00
CPCB21B13/02B21B29/00
Inventor 王天翔李学斌任岩刘玉栋段浩杰韩小泉折启耀房旭张艳霞
Owner SHANXI TAIGANG STAINLESS STEEL PRECISION STRIP CO LTD
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