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Hardware spraying technology

A product and hardware technology, applied in the direction of coating, liquid coating device on the surface, surface pretreatment, etc., can solve the problems of reducing the quality and speed of spraying, increasing production costs, uneven spraying, etc., to ensure the effect, Improve yield and avoid uneven effect

Inactive Publication Date: 2016-03-02
TIANJIN HANKAI GLASS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current spraying process is generally to clean the hardware products, and then spray and bake them. In this way, when there is grease on the surface of the hardware products, it is easy to spray unevenly, resulting in spraying failure. Multiple sprayings are required, which increases the production cost. , reducing the spraying quality and speed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] During operation, the specific steps are:

[0022] (1) polishing

[0023] Use sandpaper to polish the hardware products that need to be sprayed;

[0024] (2) cleaning

[0025] Clean the hardware products that need to be sprayed with acid solution, then clean with alkaline solution after acid cleaning, and clean with water after alkaline cleaning;

[0026] (3) dry

[0027] Air-dry the cleaned hardware products and ensure the cleanliness of the hardware products;

[0028] (4) Paint mixing

[0029] Debug the baking paint that needs to be sprayed, and mix the spray paint and baking paint according to the ratio of 1:2;

[0030] (5) Spray baking for the first time

[0031] Put the hardware products in the painting tray, and then use the painting equipment to spray paint the hardware products. After painting, put the spray tray and hardware products together in the oven for baking. The baking temperature is 120°C-180°C and the time is 8min. -22min, then place for 40-120...

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PUM

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Abstract

The invention provides a hardware spraying technology. The hardware spraying technology comprises the specific processes of polishing, cleaning, drying, paint mixing, first-time spraying and baking, second-time spraying and baking, tidying and packaging. During cleaning, acid pickling and alkali washing are carried out firstly, washing is carried out through clean water finally, grease and residues on hardware are sufficiently and thoroughly washed away, and the spraying effect is guaranteed. During spraying, secondary spraying and baking are carried out, the spraying effect is ensured, and the spraying quality is improved.

Description

technical field [0001] The invention relates to the field of hardware, in particular to the field of metal spraying. Background technique [0002] Spraying is a coating method in which spray guns or disc atomizers are dispersed into uniform and fine droplets by means of pressure or centrifugal force and applied to the surface of the object to be coated. Today's hardware products are generally sprayed after the production is completed. One is to spray and color the hardware products to make the hardware products have a wider range of applications. The other is to carry out transparent spraying to improve the corrosion resistance and rust resistance of the hardware products. However, the current spraying process is generally to clean the hardware products, and then spray and bake them. In this way, when there is grease on the surface of the hardware products, it is easy to spray unevenly, resulting in spraying failure. Multiple sprayings are required, which increases the produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D1/12B05D1/38B05D3/00B05D3/02
Inventor 王彪
Owner TIANJIN HANKAI GLASS TECH