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A method for simulating the formation of emulsion spots on cold rolled strip

A cold-rolled strip and emulsion technology, applied in the field of steel cold-rolling, can solve problems such as affecting the production efficiency and economic benefits of enterprises, reducing the product qualification rate, affecting the quality of strip steel, etc., achieving strong operability and repeatability, improving Surface quality, the effect of eliminating emulsion stains

Active Publication Date: 2019-02-05
超滑科技(佛山)有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In other words, improper selection of rolling fluid will also lead to serious stains, which will affect the quality of strip steel, reduce the qualified rate of products, and even stop production, which will greatly affect the production efficiency and economic benefits of enterprises

Method used

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  • A method for simulating the formation of emulsion spots on cold rolled strip
  • A method for simulating the formation of emulsion spots on cold rolled strip
  • A method for simulating the formation of emulsion spots on cold rolled strip

Examples

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Embodiment 1

[0068] For the situation of Comparative Example 1, the formation process of the cold-rolled strip emulsion spot is simulated by the simulation method described in the present invention, so that the cold-rolled liquid can be selected and adjusted without affecting production, so as to reduce or even eliminate the cold-rolled strip surface The generation of emulsion spots improves the surface quality of cold-rolled strip products.

[0069] There is a huge pressure when the cold-rolled strip is rolled and crimped, which can reach 0.19 MPa according to calculations, and the surface temperature of the cold-rolled strip is relatively high, the highest temperature can reach 150°C, and the emulsion drips from the rolling outlet, so after crimping The surface of cold-rolled strip steel is in an environment of high pressure, high temperature, lack of oxygen, and water vapor.

[0070] The present invention is as follows to the simulation process of above-mentioned working condition:

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Abstract

The invention provides a method for simulating the forming process of the emulsion mark of the cold rolled strip steel, comprising the following steps: (1) calculating the plate surface pressure afterthe cold rolled strip steel is coiled; 2. Simulate that pressure on the surface of cold rolled strip aft coiling by a pressure simulator, wherein the pressure simulator comprises a splint, a pressuresensor and a torque wrench; 3) simulate that environment of the cold rolled strip aft coiling by a temperature-controllable high-pressure steam kettle; (4) Elemental analysis of cold rolled strip spots. The method for simulating the forming process of the cold rolled strip emulsion mark can be used as a simulation means to guide the laboratory to quickly and accurately select and adjust the rolling liquid, so as to reduce or even eliminate the mark defect caused by the rolling liquid emulsion, and is used for guiding the selection and adjustment of the rolling liquid in rolling production.

Description

technical field [0001] The invention belongs to the field of cold rolling of iron and steel, in particular to a method for simulating the formation process of emulsion spots of cold-rolled strip steel. Background technique [0002] With the continuous development of rolling technology, improving the rolling surface quality has become a topic of increasing concern in the industry. In industries such as automobiles and home appliances, surface quality and defect control have become increasingly important in the requirements of strip cold-rolled products such as plate shape, performance and surface quality. Therefore, it is particularly important to improve the surface quality of strip cold-rolled products. [0003] Spots on the surface of cold-rolled strip steel are the most serious and difficult defects on the surface of strip steel products, especially silicon steel sheets, and are difficult to solve through the process. Too many spot defects can easily lead to product clos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G01M99/00
CPCG01M99/00G06F30/20
Inventor 刘腾飞戴媛静张晨辉雒建斌
Owner 超滑科技(佛山)有限责任公司
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