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A processing method of high weather resistance PCM board

A processing method and weather-resistant technology, which is applied to the device for coating liquid on the surface, pre-treated surface, coating, etc., can solve the problems of short service life and inability to use

Active Publication Date: 2019-08-23
芜湖拾比佰新型材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some places with harsh weather conditions and high corrosion resistance requirements, such as marine decorative panels, car floors, container panels, etc., ordinary coated galvanized sheets cannot be used due to their short service life. Therefore, it is necessary to develop a corrosion-resistant Steel plate with good performance and cost close to ordinary galvanized sheet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] A kind of processing method of high weather resistance PCM board of the present invention comprises the following steps:

[0018] Step 1. Pretreatment of the weather-resistant steel plate substrate, cutting the weather-resistant steel plate into the required specifications, punching it into the required shape, cleaning and drying the weather-resistant steel plate surface;

[0019] Step 2: Quickly rust the weather-resistant steel plate, make the weather-resistant steel plate pass through the rusting water tank, the temperature of the water tank is stable at 45-50 degrees Celsius, and apply an AC pulse voltage of 500V on the upper and lower surfaces of the weather-resistant steel plate;

[0020] Step 3. Remove floating rust, remove floating rust on the weather-resistant steel plate with high-pressure water, polish the upper and lower surfaces of the weather-resistant steel plate with polishing rollers, then clean and blow with hot air;

[0021] Step 4: Roller coat the bac...

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PUM

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Abstract

The invention discloses a processing method of a PCM plate with high weather resistance. The method comprises steps as follows: step one, pretreatment of a weather-resistant steel plate base material; step two, rapid rusting treatment of a weather-resistant steel plate; step three, removal of floated rust; step four, roller painting of back paint and priming paint; step five, roller painting of finish paint. The processing method adopts a simple process, the pretreated weather-resistant steel plate is subjected to rapid rusting treatment, the floated rust is removed through high-pressure water, and a rust layer with a stable surface is exposed, has the characteristics of high bonding strength with the base material, good coating performance and the like, can inhibit further extension of a corrosion layer and is very long in service life.

Description

technical field [0001] The invention relates to the technical field of steel plate processing, in particular to a processing method of a high weather resistance PCM plate. Background technique [0002] PCM plate refers to color-coated steel plate. Color-coated steel plate is a steel plate with organic coating. At present, the hot and humid climate in coastal areas has brought serious atmospheric corrosion effects to steel products. In order to improve the corrosion resistance of steel, currently the main There are two ways to increase alloying elements and surface coating anti-corrosion coating. The former is the most widely used stainless steel, while the latter is represented by various galvanized sheets, galvanized aluminum composite sheets, and painted pre-coated sheets. The galvanized layer and painted paint essentially protect the corrosion-prone substrate by using a corrosion-resistant material as an insulating surface. The alloying elements added to stainless steel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D1/38B05D7/00B05D3/00B05D3/14
CPCB05D1/38B05D3/002B05D3/14B05D7/584B05D2202/10B05D2350/60B05D2504/00B05D2420/02
Inventor 刘丙炎章凯祥张海峰周鹏王芳
Owner 芜湖拾比佰新型材料有限公司