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 construction process, its corrosion resistance is not easy to meet the requirements of forklift anticorrosion

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Shot blasting the cast iron substrate of a forklift to remove oil and rust from the surface of the component. Then, post-treatment is carried out by brushing the water-based rust-bearing paint to remove floating rust on the surface of the base material of the component. Then spray water-based epoxy zinc-rich primer (the main component and ratio are water-based epoxy resin: zinc powder = 20:80, and the ratio of water-based polyamine to curing agent is 5:1), and the wet film thickness is about 60~ 120 microns, dry 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 (its main component and ratio are water-based polyurethane resin: weather-resistant coloring pigment: auxiliary agent: water = 40:30:5:15, and the combination of polyurethane curing agent Ratio is 6:1), after leveling for 15-30 minutes, spray the topcoat again, the wet film thickness is controlled at 100-200 microns, and th...

Embodiment 2

[0035] Sandblasting the hot-rolled sheet substrate of the forklift to remove oil and rust from the surface of the component. Then, post-treatment is performed with an aqueous rust-carrying paint to remove floating rust on the surface of the base material of the component. Then spray water-based epoxy ester anti-corrosion primer (the main components and ratio are water-based epoxy ester resin: anti-rust pigments and fillers: additives: water = 40:25:5:30, the wet film thickness is about 60-100 Micron, dry at room temperature for more than 0.5 hours. After the paint film is surface-dry, spray water-based polyurethane texture topcoat (its main component and proportion are water-based polyurethane resin: weather-resistant coloring pigment: additive: water = 50:30:3: 15. The ratio with the polyurethane curing agent is 6:1, 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...

Embodiment 3

[0037] Grinding and derusting the hot-rolled plate base material of the forklift to remove oil and rust on the surface of the component. Then, post-treatment is carried out by brushing the water-based rust-bearing paint to remove floating rust on the surface of the base material of the component. Then spray water-based epoxy anti-corrosion primer (the weight ratio of its main components is water-based epoxy resin: anti-rust pigment: auxiliary agent: water=50:30: 5: 15 and water-based polyamine curing agent, the proportion is 8:1, the wet film thickness is about 60-100 microns, bake at 80°C for 30 minutes, inspect the appearance and performance of the coating film, and finally spray the water-based polyurethane texture topcoat (the main component and ratio are water-based polyurethane resin: weather-resistant type Coloring pigments: additives: water = 50:25:4:20, the ratio of polyurethane curing agent is 6:1, the wet film thickness is controlled at 60-140 microns, then leveled ...

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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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