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Aluminum Anodize CNC Turning Part

Aluminum Anodize CNC Turning Part

The principle of aluminum anodization is essentially the principle of water electrolysis.We are SHENZHEN LITONG METAL POWER CO LTD.,which has 13 years OEM and ODM experiences. Welcome to visit us and business cooperation....

The principle of aluminum anodization is essentially the principle of water electrolysis. When the current passes, the following reaction will take place:


In the cathode, according to the following reaction release H2: 2H + + 2e → H2
On  the anode, 4OH - 4e → 2H2O + O2, the oxygen is not only molecular  oxygen (O2), but also atomic oxygen (O) and ionized oxygen (O-2) .
Aluminum  as the anode is oxidized by the oxygen precipitated thereon to form an  anhydrous Al2O3 film: 2AI + 3 [O] = AI2O3 + 1675.7 KJ It is to be noted  that not all of the generated oxygen acts on aluminum and part of it is  precipitated as a gaseous form .copper electroplate CNC milling part Supplier


Anodizing types Anodic oxidation has long been widely used in industry. Crowded with different names of many ways, summed up the following categories:
Divided according to the current type: DC anodic oxidation, AC  anodization, and can shorten the production time required to reach the  thickness of the film thick and uniform dense, and significantly  improved corrosion resistance of the pulse current anodic oxidation.
Divided by the electrolyte: sulfuric acid, oxalic acid, chromic acid,  mixed acid and natural coloring with organic sulfonic acid solution  anodizing.


Divided by the nature of the film: ordinary film, hard film (thick  film), porcelain film, light modification layer, the role of  semiconductor barriers such as anodic oxidation.
DC  Sulfuric acid anodic oxidation method is most commonly used because of  its anodization suitable for aluminum and most aluminum alloys; thicker  film, hard and wear-resistant, better corrosion resistance after  sealing; The  film is colorless and transparent, easy to color strong adsorption  capacity; lower processing voltage, low power consumption; process does  not have to change the voltage cycle is conducive to continuous  production and operation of automation; , Low price and other advantages.CNC turning copper electroplate part Supplier


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    Add: 2F, Building A1, No. 276, E. Baoshi Rd., Baoan District, Shenzhen
    Tel: +86-755-27359623
    Mob: +8618516195475
    E-mail: sales@litongcnc.com


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