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Spraying method applicable to aluminium profiles

An aluminum profile, powder spraying technology, applied in the direction of coating, liquid coating device on the surface, surface pretreatment, etc., can solve the problems such as poor spraying effect, achieve good spraying effect, good anti-fading performance, color and luster uniform effect

Inactive Publication Date: 2012-10-10
TIANJIN YUDELONG ALUMINUM MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing spraying method is faster, but the spraying effect is not very good and needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The following examples illustrate the present invention in detail.

[0015] A spraying method suitable for aluminum profiles, comprising the following steps in sequence:

[0016] (1) Degreasing, use ABP-R solvent in the degreasing process, generally corrode for 8-10 minutes at 80-120g / l, pH value 1.5-1.8;

[0017] (2) Chromating, YC-09 solvent is used in the chromizing process, the concentration is generally 6-13g / l, and the corrosion is within the range of PH1.8-2.0. If the pH value is greater than 2.0, add an appropriate amount of nitric acid to reduce it to 1.8.

[0018] (3) washing with water;

[0019] (4) Pure water washing;

[0020] (5) air dry;

[0021] (6) Drying. During the drying process, the temperature of the drying furnace should be kept between 65±5°C, and the time should generally be controlled within 10-20 minutes. If the material is denser, it can be appropriately increased for 3-5 minutes. time;

[0022] (7) Hanging, during the hanging process, t...

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PUM

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Abstract

The invention provides a spraying method applicable to aluminium profiles. The spraying method comprises the following sequential steps of: oil removing, chromizing, water washing, pure-water washing, air drying, drying, upper hanging, trial spraying, powder spraying and lower hanging. The spraying method provided by the invention has the advantages and the positive effects that the spraying effect is good, and a spraying layer is stable and not easy to fall off.

Description

technical field [0001] The invention belongs to the field of spraying technology, and in particular relates to a spraying method suitable for aluminum profiles. Background technique [0002] Known spraying methods generally include roller coating, shower coating, and powder coating, among which powder coating is a more advanced process at present. This method is to install a color coating machine with a powder electrostatic gun in the spraying workshop. The steel plate passes through this atmospheric pressure spraying workshop quickly, and is sprayed against the steel plate with an electrostatic powder spray gun. The existing spraying method is faster, but the spraying effect is not very good and needs to be improved. Contents of the invention [0003] The purpose of the present invention is to provide a spraying method suitable for aluminum profiles. [0004] The technical scheme of the present invention is as follows: [0005] A spraying method suitable for aluminum p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D7/14B05D3/10B05D3/02
Inventor 赵炳瑞
Owner TIANJIN YUDELONG ALUMINUM MFG
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