Coating process applying water-based paint to forklift metal parts

A technology of metal parts and water-based coatings, applied in the direction of surface coating liquid devices, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems that the corrosion resistance is not easy to meet the requirements of forklift anti-corrosion, and the technology is immature, etc., to achieve Good hiding power, good appearance, and the effect of improving production efficiency

Inactive Publication Date: 2013-03-20
GUANGZHOU QINGTIAN INDAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the relatively immature technology of current water-based coatings, if there is no correct c

Method used

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  • Coating process applying water-based paint to forklift metal parts

Examples

Experimental program
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Effect test

Example Embodiment

[0032] Example 1

[0033] The cast iron base material of the forklift is shot blasted to remove oil stains and rust on the surface of the parts. Then, the water-based rusty paint is brushed for post-treatment to remove rust on the surface of the substrate of the component. Then spray water-based epoxy zinc-rich primer (the main component and ratio is water-based epoxy resin: zinc powder = 20:80, and the ratio of curing agent water-based polyamine is 5:1), and the wet film thickness is about 60~ 120 microns, self-drying at room temperature for more than 0.5 hours. After the surface of the paint film is dry, spray the water-based polyurethane texture topcoat (the main components and proportions are water-based polyurethane resin: weather-resistant coloring pigment: additives: water = 40:30:5:15, and the polyurethane curing agent The ratio is 6:1). After leveling for 15-30 minutes, spray the top coat again, the wet film thickness is controlled at 100-200 microns, and then dry at ...

Example Embodiment

[0034] Example 2

[0035] Sandblasting the hot-rolled plate base material of the forklift to remove the oil and rust on the surface of the part. Then, the water-based rusty paint is post-treated to remove rust on the surface of the substrate of the part. Then spray water-based epoxy ester anti-corrosion primer (the main components and proportions are water-based epoxy ester resin: anti-rust pigments and fillers: additives: water = 40:25:5:30, and the wet film thickness is about 60-100 Micron, self-drying at room temperature for more than 0.5 hours. After the surface of the paint film is dry, spray water-based polyurethane texture topcoat (the main component and ratio are water-based polyurethane resin: weather-resistant coloring pigment: auxiliary: water=50:30:3: 15. The ratio with polyurethane curing agent is 6:1, and the wet film thickness is controlled at 60-140 microns, and then dried at room temperature. The total dry film thickness of the composite coating is about 80-200...

Example Embodiment

[0036] Example 3

[0037] The hot-rolled plate base material of the forklift is polished and rusted to remove the oil and rust on the surface of the part. Then, the water-based rusty paint is brushed for post-treatment to remove rust on the surface of the substrate of the component. Then spray water-based epoxy anti-corrosion primer (the weight ratio of the main components is water-based epoxy resin: anti-rust pigment: auxiliary: water = 50:30: 5: 15 and water-based polyamine curing agent, the ratio is 8:1, the wet film thickness is about 60-100 microns, baking at 80°C for 30 minutes, the appearance and performance of the coating film are inspected, and finally the water-based polyurethane texture topcoat is sprayed (the main component and ratio are water-based polyurethane resin: weather resistant Coloring pigment: additives: water=50:25:4:20, the ratio of the polyurethane curing agent is 6:1, the wet film thickness is controlled at 60-140 microns, then leveling for 8min, and ...

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Abstract

The invention discloses a coating process applying water-based paint to forklift metal parts. The coating process is characterized in that water-based anti-corrosion priming paint and waterborne polyurethane texture finish paint are combined and used on base materials of a critical component of a forklift. The water-based paint is enabled to be correctly used for coating of the critical component of the forklift, and the coating process applying the water-based paint to the forklift metal parts not only solves harm and potential safety hazards brought about by a traditional coating process to the forklift, but also improves the protecting performance and the physical and chemical performance of the coating process, and prolongs the service life of the forklift.

Description

technical field [0001] The invention relates to a coating process for applying water-based paint to metal parts of forklifts. Background technique [0002] The operating environment of forklifts is generally relatively harsh, coupled with their high value and long service life, so their metal parts have very high requirements for corrosion resistance and weather resistance. At present, the main method is to spray the metal surface of the forklift to enhance its anti-corrosion performance, thereby increasing its service life. The traditional coating method uses solvent-based coatings, which can basically meet the performance requirements of forklifts such as anti-corrosion and weather resistance, and its construction technology is relatively mature. For example, Zhang Rui of Shantui Construction Machinery Co., Ltd. published the article "Painting Process and Equipment for 10,000 Forklift Parts Annual Production" in "Modern Paint and Coating" in August 2009, introducing the c...

Claims

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Application Information

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IPC IPC(8): B05D7/16B05D5/00C09D163/00C09D1/00C09D7/12C09D5/08C09D175/04
Inventor 许振阳王从国胡乐晖张红禹汉文许奕祥
Owner GUANGZHOU QINGTIAN INDAL
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