Common surface treatments for sheet metal fabrication parts
Common surface treatments for sheet metal fabrication parts
Treating the surface of sheet metal can play a role in corrosion protection and decoration. Powder spraying, electro-galvanizing, hot-dip galvanizing, surface oxidation, surface wire drawing, silk screen, etc.
The oil, rust, welding slag, etc. on the surface of the sheet metal fabrication parts should be removed before the surface treatment of the sheet metal fabrication parts.
Sheet metal fabrication parts surface treatment-Powder coating.
Surface spraying of sheet metal fabrication parts can be divided into liquid paint and powder paint. Powder paint is commonly used. Through powder spraying, electrostatic adsorption, high temperature baking, etc., a layer of paint of various colors is sprayed on the surface of the sheet metal fabrication parts to beautify the appearance and increase the corrosion resistance of the material. It is a common surface treatment method. We can supply different color and brand powder.
                                     
Sheet metal fabrication parts surface treatment- Electro galvanized& hot-dip galvanized.
The surface galvanizing of sheet metal fabrication parts is a common surface anti-corrosion treatment method, and can play a certain role in beautifying the appearance. Galvanizing can be divided into electro-galvanizing and hot-dip galvanizing. The appearance of electro-galvanized is relatively bright and flat, and the galvanized layer is thinner, which is more commonly used. The galvanized layer of hot-dip galvanizing is thicker and can produce a zinc-iron alloy layer, which has stronger corrosion resistance than electro-galvanized. Electro galvanized is suitable for thin plate parts. And hot-dip galvanized is suitable for thick plate parts.
Sheet metal fabrication parts surface treatment- Anodizing.
The surface anodizing of aluminum and aluminum alloys can be oxidized into various colors, which have a protective and decorative function. At the same time, an anodic oxide film can be produced on the surface of the material. It has high hardness, wear resistance, good electrical insulation and thermal insulation.
                                       
Sheet metal fabrication parts surface treatment- Wire drawing.
Put the sheet metal parts between the upper and lower wheels of the wire drawing machine. An abrasive belt is attached to the wheel, and the motor rotates to allow the product to pass through the abrasive belt and make the trace on the surface of the material. Depending on the abrasive belt, the thickness of the trace is different. The main function is to beautify the appearance. Commonly found in aluminum and stainless-steel material.
                                 
Sheet metal fabrication parts surface treatment- Silk Screen.
The process of silk screen printing various logos on the surface. There are generally two methods of flat screen printing and pad printing. Flat screen printing is mainly used on flat surfaces. If there are deep pits, pad printing is needed. Silk screen printing is required.
                                       
Sheet metal fabrication parts surface treatment- Chrome plating.
Chrome plating is divided into decorative and high corrosion resistance. Both metal products and non-metal products are applicable. Metal chromium is easily passivated in the air, and a very thin passivation film is formed on the surface, which has good wear resistance.
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