Plastic spraying process for cast aluminum alloy component

A technology for casting aluminum alloys and components, which is applied in the coating process of metal materials, surface pretreatment, and devices for coating liquid on the surface, etc. It can solve problems such as easy loosening and falling off, and achieve improved machinability and stable coating The effect of increased performance and reduced production cost

Inactive Publication Date: 2021-07-23
重庆福泰涂装技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a plastic spraying process for cast aluminum alloy components, which is used to solve the technical problem that the existing plastic spray coating on the surface of cast aluminum alloys is easy to loosen and fall off during machining or engraving

Method used

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  • Plastic spraying process for cast aluminum alloy component
  • Plastic spraying process for cast aluminum alloy component
  • Plastic spraying process for cast aluminum alloy component

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A plastic spraying process for cast aluminum alloy components, specifically processing a cast aluminum alloy engine block (motorcycle engine block), the steps comprising:

[0033] Step 1. Shot blasting is performed on the cast aluminum alloy components. The shot blasting uses a steel shot with a particle size of 0.5 mm, model S170, and the shot blasting time is 8 minutes;

[0034] Step 2, carry out acidic degreasing treatment to the workpiece after step 1 finishes, acidic degreasing agent adopts PC-200 acidic degreasing agent (purchased from Chongqing Parn Chemical Technology Co., Ltd), the mass ratio of acidic degreasing solution is 3% (100Kg solution The quality of medium-acid degreasing agent is 3Kg), its pH value control is 2, and the temperature control in the acid degreasing process is 55 ℃, and time control is 9 minutes;

[0035] Step 3. Clean the workpiece after step 2. Specifically, wash it twice with water with pH=5, each time for 1 minute, and then wash with ...

Embodiment 2

[0047] A kind of casting aluminum alloy member (engine block) plastic spraying process, step is referred to implementation 1, and its main difference with embodiment 1 is shown in Table 3,

[0048] Casting aluminum alloy member plastic spraying process parameter in the embodiment 2 of table 3

[0049]

Embodiment 3

[0051] A kind of casting aluminum alloy member (motorcycle front bracket aluminum alloy guide rail riveted assembly) spraying process, the steps refer to implementation 1, and its main difference with embodiment 1 is shown in Table 4,

[0052] Casting aluminum alloy components spray process parameters in table 4 embodiment 3

[0053]

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PUM

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Abstract

The invention discloses a plastic spraying process for a cast aluminum alloy component. The plastic spraying process comprises the steps that shot blasting treatment, acid degreasing treatment, cleaning, passivating treatment, cleaning, drying and heat preservation treatment, plastic spraying treatment and curing treatment are sequentially carried out on the cast aluminum alloy component. According to the process, the technical problem that a plastic spraying coating on the surface of a cast aluminum alloy is prone to loosening and falling off in the machining or carving process is solved, the stability of the coating of the cast aluminum alloy component treated through the method is greatly improved, and the machining performance of the cast aluminum alloy component is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of surface treatment of cast aluminum alloys, and in particular relates to a plastic spraying process for cast aluminum alloy components. Background technique [0002] Since the plastic spraying surface treatment process has environmental protection effects such as reducing environmental pollution, energy saving and consumption reduction, it has expanded to many application fields in recent years, and plays a positive role in the anti-corrosion and environmental protection of the surface of metal components. However, compared with the coating on the surface of the electroplating process The adhesion between the layer and the metal is even worse. When it is required to be partially machined and applied to precision assembly, sealing, marking, and decoration, it is easy to loose or fall off the machined edge coating, which restricts its further promotion. [0003] Taking the engine block of cast aluminum alloy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D7/14B05D3/10C23C22/06
CPCB05D3/002B05D3/102B05D7/14C23C22/06
Inventor 刘平
Owner 重庆福泰涂装技术有限公司
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