Surface treatment method of die-cast aluminum alloy exterior part and die-cast aluminum alloy exterior part product

A cast aluminum alloy, surface treatment technology, applied in surface reaction electrolytic coating, metal material coating process, ion implantation plating and other directions, can solve the problems of unreachable anodic oxidation treatment, low process yield and high cost, Achieve the effect of guaranteed effect and subsequent dyeing effect, simple process and high genuine rate

Inactive Publication Date: 2016-08-10
DONGGUAN COOLPAD SOFTWARE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the surface treatment of die-casting aluminum alloy appearance parts cannot be carried out by anodic oxidation process, but can only be sprayed and baked. If anodic oxidation treatment of aluminum alloy appearance parts is to be carried out, the forming process can only be stamped first and then CNC (numerical control machine tool) Processing, first forging and then CNC processing or full sheet CNC processing
Among them, the method of spraying baking paint is specifically to use a special primer on the substrate layer to improve the adhesion, and then spray the primer twice and the middle paint once and then the PU topcoat

Method used

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  • Surface treatment method of die-cast aluminum alloy exterior part and die-cast aluminum alloy exterior part product
  • Surface treatment method of die-cast aluminum alloy exterior part and die-cast aluminum alloy exterior part product
  • Surface treatment method of die-cast aluminum alloy exterior part and die-cast aluminum alloy exterior part product

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Effect test

Embodiment 1

[0036] Such as figure 1 As shown, the surface treatment methods of die-casting aluminum alloy appearance parts include:

[0037] Step S100, using aluminum as the anode and the die-casting aluminum alloy appearance part as the cathode, performing ion coating treatment on the die-casting aluminum alloy appearance part, so as to form an aluminum plating layer on the surface of the die-casting aluminum alloy appearance part;

[0038] Step S102 , performing anodic oxidation treatment on the appearance part of the die-casting aluminum alloy after the ion plating treatment, so as to form an oxide film layer on the surface of the appearance part of the die-casting aluminum alloy.

[0039] The surface treatment method of the die-casting aluminum alloy appearance parts provided in this embodiment, before anodizing the die-casting aluminum alloy appearance parts, the appearance parts are subjected to ion plating treatment. In the ion plating treatment, aluminum is used as the anode, and ...

Embodiment 2

[0042] Such as figure 2 As shown, the surface treatment methods of die-casting aluminum alloy appearance parts include:

[0043] Step S200, performing mirror polishing treatment on the die-casting aluminum alloy appearance part;

[0044] Step S202, using aluminum as the anode and the die-casting aluminum alloy appearance part as the cathode, performing ion coating treatment on the die-casting aluminum alloy appearance part after the mirror polishing treatment, so as to form an aluminum plating layer on the surface of the die-casting aluminum alloy appearance part;

[0045] Step S204, performing sandblasting treatment on the appearance part of the die-casting aluminum alloy after the ion plating treatment;

[0046] Step S206, performing degreasing treatment on the die-casting aluminum alloy appearance part after sand blasting treatment;

[0047] Step S208, performing alkali cleaning on the degreased die-casting aluminum alloy appearance parts;

[0048] Step S210, performing...

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Abstract

The invention provides a surface treatment method for a die-casting aluminum alloy exterior part and a die-casting aluminum alloy exterior part product. The surface treatment method comprises: using aluminum as an anode, using the die-casting aluminum alloy exterior part as a cathode, and performing the die-casting aluminum alloy exterior part on the die-casting aluminum alloy exterior part. Ion plating treatment is performed to form an aluminum coating layer on the surface of the die-casting aluminum alloy exterior parts; anodizing treatment is performed on the die-casting aluminum alloy exterior parts after the ion plating treatment to form an oxide film layer on the surface of the die-casting aluminum alloy exterior parts. In the surface treatment method for die-casting aluminum alloy exterior parts provided by the present invention, an aluminum coating layer is formed on the surface of the exterior parts before anodizing treatment. The anodic oxidation effect and the subsequent dyeing effect are guaranteed, and the process is simple, the cost is low, and the authenticity rate of the appearance parts is high.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, and more specifically, to a surface treatment method of a die-casting aluminum alloy appearance part and a die-casting aluminum alloy appearance part product. Background technique [0002] At present, the surface treatment of die-casting aluminum alloy appearance parts cannot be carried out by anodic oxidation process, but can only be sprayed and baked. If anodic oxidation treatment of aluminum alloy appearance parts is to be carried out, the forming process can only be stamped first and then CNC (numerical control machine tool) Processing, first forging and then CNC processing or full sheet CNC processing. Among them, the method of spraying baking paint is specifically to use a special primer on the substrate layer to improve the adhesion, and then spray the primer twice and the middle paint once and then the PU topcoat (polyurethane coating) once, after each spraying. Baking, t...

Claims

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Application Information

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IPC IPC(8): C23C14/32C23C14/16C23C14/02C23F3/03C25D11/04C25D11/18C23C28/00
CPCC23C14/32C23C14/02C23C14/16C23C28/322C23F3/03C25D11/04C25D11/18
Inventor 陈浩
Owner DONGGUAN COOLPAD SOFTWARE TECH
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