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Method for coating self-drying type metallic glittering paint on machine tool

A metal flash paint, self-drying technology, applied to the surface coating liquid device, coating, polyurea/polyurethane coating, etc., can solve the problem that precision machine tools cannot be baked at high temperature, and achieve a strong modern high-tech style , enhance competitiveness, dazzling effect

Inactive Publication Date: 2012-01-11
四川普什宁江机床有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above-mentioned technical problems, the present invention proposes a method for coating self-drying metallic flash paint on machine tools. This method adopts the method of coating sealing, which eliminates the shadow markings formed by the different colors of the bottom layer. Metal flash paint The use of self-drying metallic flash paint solves the problem that precision machine tools cannot be baked at high temperatures, and does not produce blooming problems when spraying

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for coating self-drying metallic flash paint on a machine tool, characterized in that:

[0035] 1a. After pre-fitting the protective cover of the machine tool, carry out normal temperature degreasing, rust removal, surface adjustment and phosphating treatment. The time for rust removal is 15-30 minutes; the time for surface adjustment is 2-5 minutes; the time for phosphating is 15-25 minutes; then Evenly spray epoxy iron red anti-rust primer on the protective cover of the machine tool, or;

[0036] 2a. Grind the casting until the surface is free of bumps, burrs, and peaks, and evenly apply epoxy iron red anti-rust primer;

[0037] b. Then, on the basis of spraying or brushing the epoxy iron red antirust primer (uneven surface, poorly formed surface, defects, etc.) scrape the putty or the G07- 3 perchlorethylene putty;

[0038] c. Use 1.5-2# emery cloth to fully polish the atomic ash or perchlorethylene putty layer, clean the floating dust on the surface of th...

Embodiment 2

[0056] The storage stability of metallic glitter paint has the following two problems: ① The reactivity of aluminum powder. In the acid-catalyzed system, the aluminum powder pigment will react with the acid to consume part of the acid catalyst, so that the system cannot be completely cured, and the color of the aluminum powder will turn black. Therefore, the choice of partially etherified amino resins and polyols has high reactivity and does not require acid catalysts, which can avoid this problem. ② Settling of aluminum powder. In metallic flash paint, the selection of a suitable anti-settling agent 420-10 is directly related to the anti-settling property, workability, leveling property and even the physical and chemical properties of the film after formation. Four additives were selected: KLN-3212, 201P wax, 6900-20X (DIsPARLON) and TYs-1 wax. In the test, it was found that KLN-3212 has good anti-settling properties, but has a tendency to yellow; TYs-1 has poor anti-settli...

Embodiment 3

[0058] The orientation of aluminum powder directly affects the gloss, FI, flop effect and color consistency of metallic glitter paint. Therefore, it is very important to select the appropriate additives in the metallic flash paint to help the aluminum powder to be arranged in an orderly manner during the film formation process. In the formulation and construction design, cellulose acetate butyl (CAB) and wax additives were selected for comparative experiments.

[0059] CAB is a thermoplastic high molecular polymer, which exists on the surface of the coating film after film formation, and a small amount of hydroxyl groups in CAB also participate in the reaction during the curing and natural drying process, which makes the xylene immersion and wiping resistance of the paint film better. However, CAB The glass transition temperature is higher, and the paint film is more brittle at a lower temperature, so the flexibility of the paint film decreases, but it has a good orientation t...

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Abstract

The invention discloses a method for coating self-drying type metallic glittering paint on a machine tool. The method comprise the following steps: carrying out pre-mounting finishing to a protecting cover of the machine tool, then carrying out normal-temperature degreasing, derusting, surface conditioning and phosphatizing treatment, then uniformly spraying epoxy iron red rust-proofing primer onthe protecting cover of the machine tool, scratching atomic grey (or vinyl perchloride putty), painting when in spraying, spraying off-white closed coating, and spraying self-drying type acrylic polyurethane and acrylic polyurethane coating varnish. The method adopts a coating-closed mode, eliminates the shadow speckle formed by different colors on the bottom layer, the metallic glittering paint adopts the self-drying type metallic glittering paint, therefore, the problem that the precise machine tool can not be baked at high temperature is solved, and the problem of floating can not occur when in spraying.

Description

technical field [0001] The invention relates to the technical field of machine tool product coating, in particular to a method for coating a self-drying metallic flash paint on a machine tool. Background technique [0002] In the face of the global financial crisis and fierce competition at home and abroad, foreign machine tool manufacturers continue to enter the Chinese market. In addition to technological advantages, these manufacturers also pay great attention to the overall shape, detail design and exterior coating of machine tools. Although the performance and precision of domestic machine tools are comparable to foreign machine tools, in comparison, domestic machine tools still lack due competitive advantages. The main manifestations are: the appearance and image of domestic machine tool products cannot truly reflect their intrinsic value, while Appearance image is precisely one of the most direct and important carriers to reflect brand value. [0003] Metallic flash ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D5/06B05D1/38B05D3/10B05D3/12C09D175/14C09D7/12C09D5/00
Inventor 王亚非朱明张学智
Owner 四川普什宁江机床有限公司
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