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Control method for coating amount of anti-rust oil on surface of cold-rolled sheet

A control method and technology of anti-rust oil, which is applied to the device and coating of the surface coating liquid, can solve the problems of easy change of anti-rust oil performance and difficult control of the amount of oil applied, and achieve a small amount of anti-rust oil Effect

Inactive Publication Date: 2017-06-13
SHOUGANG CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for controlling the coating amount of anti-rust oil on the surface of cold-rolled sheet, so as to solve the problem that the performance of anti-rust oil itself is easy to change and the amount of oil coating is difficult to control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Cut the cold-rolled product sample into a sample substrate of 100mm×100mm, carry out degreasing and water washing treatment, blow dry, and set aside. Take KK anti-rust oil with a 15mL conventional rubber dropper, drop 1 drop in the middle of the spare sample substrate, and then use a rubber roller to spread the anti-rust oil evenly, and calculate the oil film weight according to the differential weight formula.

[0017] The amount of oil applied in this embodiment is 647.2mg / m 2 .

Embodiment 2

[0019] Cut the cold-rolled product sample into a sample substrate of 100mm×100mm, carry out degreasing and water washing treatment, blow dry, and set aside. Take KK anti-rust oil with a 15mL conventional rubber dropper, drop 2 drops in the middle of the spare sample substrate, then use a rubber roller to spread the anti-rust oil evenly, and calculate the oil film weight according to the differential weight formula.

[0020] The amount of oil applied in this embodiment is 1479.4mg / m 2 .

Embodiment 3

[0022] Cut the cold-rolled product sample into a sample substrate of 100mm×100mm, carry out degreasing and water washing treatment, blow dry, and set aside. Take KK anti-rust oil with a 15mL conventional rubber-tip dropper, drop 3 drops in the middle of the spare sample substrate, and then use a rubber roller to spread the anti-rust oil evenly, then roll it with a clean roller, and weigh it after the roll is evenly coated. Weight until the oil film weight reaches the ideal value, and calculate the oil film weight according to the differential weight formula.

[0023] The amount of oil applied in this embodiment is 2034.2mg / m 2 .

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Abstract

The invention discloses a control method for the coating amount of anti-rust oil on the surface of a cold-rolled sheet and belongs to the technical field of metal surface anti-rust treatment. A cold-rolled product sample is sheared into a sample base plate, and blow-drying is performed after deoiling and washing treatments are finished; 1-4 drops of anti-rust oil are sucked through a dropper, dropwise added on the surface of the base plate and uniformly spread through a rubber roller; and roller coating is performed through a clean roller, and the oil coating amount of the base plate is determined through a weight difference method. The control method for the coating amount of the anti-rust oil on the surface of the cold-rolled sheet has the advantages that the characteristics of the anti-rust oil are not changed, and the oil coating amount approximately equal to that of actual production is obtained on the sample base plate without long-time still standing.

Description

technical field [0001] The invention belongs to the technical field of metal surface antirust treatment, in particular to a method for controlling the amount of antirust oil coating on the surface of a cold-rolled plate. Background technique [0002] Cold-rolled sheets are widely used in automobiles, home appliances and other fields due to their excellent mechanical properties and process properties, but they have relatively poor corrosion resistance. Generally, it is necessary to coat the surface of cold-rolled sheets with anti-rust oil to prevent The product rusts during storage and transportation. At present, there are a large number of quality objections caused by anti-rust oil in major domestic steel mills, such as uneven spreading of anti-rust oil on cold-rolled plates and local accumulation, which further affects the subsequent processing technology of cold-rolled plates. Therefore, it is necessary to evaluate the comprehensive performance of antirust oil in the labo...

Claims

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Application Information

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IPC IPC(8): B05D1/26B05C11/02
Inventor 于东云生海杨建炜赵晓非苗雨芳高立军郝玉林
Owner SHOUGANG CORPORATION
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