Method for anode treatment of aluminum casting profile

An anodic treatment and aluminum casting technology, which is applied in the field of anodic treatment of metal materials, can solve the problems of long-term action of chemicals, inability to obtain oxide film, and increase in production costs, and achieve long working hours, shortened processing time, and simplified operations. Effect

Inactive Publication Date: 2005-01-19
LEE CHI ENTERPRISES
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Problems solved by technology

[0021] According to the above steps, the surface anodization of aluminum castings can obtain a good quality oxide film, and then achieve the purpose of anti-corrosion and surface gloss. Contact with cast products to make it produce oxide film. Due to the long action time of chemicals, the processing time of this method is extremely long, and the operating conditions are relatively strict. If the control is not proper, it will not be possible to obtain a good quality oxide film. Increased production costs

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  • Method for anode treatment of aluminum casting profile
  • Method for anode treatment of aluminum casting profile
  • Method for anode treatment of aluminum casting profile

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Embodiment Construction

[0057] As shown in Figure 3, a preferred embodiment of the anodic treatment method for aluminum castings of the present invention is mainly to form a dense oxide film on the surface of aluminum castings, and to make the surface of the product glossy, including the following steps:

[0058] Step 1: Aluminum oxide film purification:

[0059]At room temperature, the original residual oxide film on the surface of the aluminum casting is removed by mechanical grinding, and then

[0060] Take out and wash.

[0061] Step 2: Degreasing and washing:

[0062] After the aluminum casting is ground, then add a degreasing agent solution at a concentration of 30-50% at room temperature

[0063] Soak aluminum castings in a sulfuric acid solution for 1 to 5 minutes to remove surface grease and remove water

[0064] wash.

[0065] Step 3: Surface polishing treatment:

[0066] Then soak in a mixed solution of 85% phosphoric acid and 62% nitric acid fo...

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Abstract

The invention discloses a method for anode treatment of aluminum casting profile which comprises anodic treatment, charging chemical agent, surface polishing, surface activating treatment, mechanical grinding, high temperature water scrubbing.

Description

technical field [0001] The invention relates to a metal material anodic treatment method, in particular to an aluminum cast material anodic treatment method which can shorten the manufacturing time and reduce the production cost. Background technique [0002] In order to make aluminum products anti-corrosion, the aluminum products are usually anodized to form an oxide film on the surface. Because the oxide film structure is dense, it can form a barrier effect on the surface of the aluminum product to prevent external air and moisture. etc. in contact with the interior to achieve the effect of corrosion protection; such as figure 1 As shown, it is the surface anodizing process of general aluminum forged products, and its main steps are: [0003] 1. Mechanical pretreatment: Usually, one of the methods of cloth wheel grinding, grinding wheel grinding, drum grinding, sandblasting grinding or other grinding methods can be used to remove the original bad oxide film on the surface...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/16
Inventor 彭广昭
Owner LEE CHI ENTERPRISES
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