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Antique brass paint spraying process

A process and workpiece technology, applied in the field of antique copper painting technology, can solve the problems of sign surface paint wrinkling, reduce the service life of signs, peeling, etc., achieve smooth and smooth surface, improve UV resistance and weather resistance, and improve wear resistance Effect

Inactive Publication Date: 2018-04-24
广东天利来标识设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The signs and texts produced by the above technical solutions are clear, eye-catching, and have good flatness. However, after a period of use, the paint on the surface of the signs will wrinkle and peel, which will reduce the service life of the signs.

Method used

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  • Antique brass paint spraying process
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  • Antique brass paint spraying process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1: a kind of antique copper painting technique comprises the following steps:

[0044] Step 1, pretreatment of workpiece surface;

[0045] (1) Select a metal workpiece suitable for processing. The surface of the workpiece to be processed should not have irreparable deformation such as concave light. The weld seam has no welding slag and other debris that is easy to fall off. Defects such as deformation and cracking that affect the adhesion of the paint layer;

[0046] (2) Check whether the surface of the workpiece is clean, and use isoamyl acetate solution to scrub the stains and oil stains on the surface of the workpiece;

[0047] (3) Scrape the surface of the workpiece with uneven surface or the surface of the workpiece with cracks. After scraping, place the workpiece at 30°C and a relative humidity of 65% for two hours to dry the atomic ash, and then use 80# Dry sand the workpiece with sandpaper, or put 80# sandpaper on the steam-powered grinder to grind...

Embodiment 17

[0062] An antique copper painting process, the difference between embodiment 17 and embodiment 1 is that the thickness of the copper-color finish paint layer is 35 μm.

Embodiment 18

[0064] An antique copper painting process, the difference between embodiment 18 and embodiment 1 is that the thickness of the copper-colored finish paint layer is 40 μm.

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Abstract

The invention relates to a paint spraying process, in particular to an antique brass paint spraying process and aims to solve the problem that the surface of a product made by using a conventional antique brass paint spraying process is easily wrinkled and peeled. The process comprises the following main steps: I, performing pretreatment on the surface of a workpiece, namely performing oil removal, atomic ash puttying and polishing treatment on the surface of the workpiece; II, spraying a primer, namely uniformly mixing and stirring a primer, a curing agent and a diluent according to a volumeratio of (4-6):1:3, spraying the surface of the workpiece treated in the step I, and curing for later use; III, performing primary polishing, namely polishing and repairing the workpiece cured in thestep II; IV, spraying a brass finishing coat, uniformly mixing and stirring the brass finishing coat, the curing agent and the diluent according to a volume ratio of (1-3):1:1, spraying the surface ofthe workpiece treated in the step III, and curing. A product made by using the process is smooth and flat in surface, good in paint layer adhesion property and long in service life.

Description

technical field [0001] The present invention relates to a kind of painting process, more specifically, it relates to a kind of antique copper painting process. Background technique [0002] Signs, as the name suggests, are signs used to make signs. There are generally words, patterns and other content on the sign, which play the role of pointing out the direction and warning. Common signs include public welfare signs, cultural signs, instruction signs, and warning signs. [0003] At present, the antique copper sign mainly expresses its function through vision, and has functions such as symbolism and direction. The prior art generally adopts the process of electroplating or water plating to make anti-bronze signs. However, there are some problems when using electroplating or water plating to make anti-patina signs, for example: 1. Since water plating requires a special sink to put products, the size of the processed sign is limited to the maximum size allowed by the sink, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D3/00B05D7/00B05D7/24B05D7/26
CPCB05D3/002B05D3/007B05D7/24B05D7/26B05D7/586
Inventor 龚国兵李平
Owner 广东天利来标识设计有限公司
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