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Micro-arc oxidation device with variable cathode area and surface treatment method

A technology of micro-arc oxidation and cathode area, applied in anodic oxidation, surface reaction electrolytic coating, electrolytic coating, etc., can solve the problems of high production equipment requirements, low production efficiency, poor film quality, etc., and achieve low production cost, Improvement of production efficiency, effect of no oxidation transition zone

Pending Publication Date: 2022-01-11
西安庄信新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the embodiment of the present application is to provide a micro-arc oxidation device and surface treatment method with variable cathode area, which solves the problems of high production equipment requirements, complicated operation, low production efficiency and energy consumption in the traditional submerged micro-arc oxidation surface treatment method. Technical problems of high waste and poor film quality

Method used

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  • Micro-arc oxidation device with variable cathode area and surface treatment method
  • Micro-arc oxidation device with variable cathode area and surface treatment method
  • Micro-arc oxidation device with variable cathode area and surface treatment method

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Effect test

Embodiment 1

[0064] The present embodiment 1 provides a kind of preparation method of ceramic oxide film layer of plate material for industrial use or building, specifically comprises the following steps:

[0065] Step 1 - Prepare raw materials: select aluminum alloy plates for industrial use or construction with a size of 2000mm×2000mm×1mm;

[0066] Step 2-preparation of cleaning mixture: use metal surface cleaning agent CY-10, add 5% mass ratio into cleaning tank 1, start gas stirring and ultrasonic cleaning (20-130KHZ);

[0067] Step 3-preparation of micro-arc oxidation electrolyte: fully stir sodium silicate 10g / L, sodium fluoride 10g / L, sodium hydroxide 10g / L and water to obtain an electrolyte, and add the electrolyte to the micro-arc oxidation tank 1;

[0068] Step 4 - Set the power supply parameters: voltage 600V, frequency 500HZ, duty cycle 20%; output pressure of the air compressor is 1-1.2Mpa; cooling temperature is set to 25-35°C;

[0069] Step 5 - Micro-arc oxidation: hang the...

Embodiment 2

[0072] This embodiment 2 provides a kind of preparation method of ceramic oxide film layer of plate material for industrial use or building, specifically comprises the following steps:

[0073] Step 1 - Prepare raw materials: select aluminum alloy plates for industrial use or construction with a size of 2000mm×2000mm×1mm;

[0074] Step 2-preparation of cleaning mixture: use metal surface cleaning agent CY-10, add 5% mass ratio into cleaning tank 1, start gas stirring and ultrasonic cleaning (20-130KHZ);

[0075] Step 3-preparation of micro-arc oxidation electrolyte: fully stir sodium silicate 10g / L, sodium fluoride 10g / L, sodium hydroxide 10g / L and water to obtain an electrolyte, and add the electrolyte to the micro-arc oxidation tank 1;

[0076] Step 4 - Set the power supply parameters: voltage 620V, frequency 500HZ, duty cycle 22%; output pressure of the air compressor is 1-1.2Mpa; refrigeration temperature is set to 25-35°C;

[0077] Step 5 - Micro-arc oxidation: hang the ...

Embodiment 3

[0080] The present embodiment 3 provides a kind of preparation method of the plate ceramic oxide film layer for industrial use or construction, specifically comprises the following steps:

[0081] Step 1 - Prepare raw materials: select aluminum alloy plates for industrial use or construction with a size specification of 2500mm×2500mm×4mm;

[0082] Step 2-preparation of cleaning mixture: use metal surface cleaning agent CY-10, add 5% mass ratio into cleaning tank 1, start gas stirring and ultrasonic cleaning (20-130KHZ);

[0083] Step 3-preparation of micro-arc oxidation electrolyte: fully stir sodium silicate 10g / L, sodium fluoride 10g / L, sodium hydroxide 10g / L and water to obtain an electrolyte, and add the electrolyte to the micro-arc oxidation tank 1;

[0084] Step 4 - Set the power supply parameters: voltage 630V, frequency 600HZ, duty cycle 22%; the output pressure of the air compressor is 1-1.2Mpa; the cooling temperature is set at 25-35°C;

[0085] Step 5 - Micro-arc o...

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Abstract

The invention discloses a micro-arc oxidation device with a variable cathode area and a surface treatment method, and belongs to the technical field of surface treatment. The micro-arc oxidation device comprises a micro-arc oxidation tank, a circulating tank, a lifting mechanism, a cooling circulating mechanism and a power supply mechanism, an injection port and an outflow port are formed in the side part of the micro-arc oxidation tank, a liquid level control piece is arranged at the end of the outflow port, and a workpiece channel is formed in the bottom of the micro-arc oxidation tank; a cathode part in the micro-arc oxidation tank is connected with the cathode of the power supply mechanism; the lifting mechanism is arranged above the micro-arc oxidation tank, and an anode part connected with the anode of the power supply mechanism is arranged on the lifting mechanism; and the circulating tank is arranged below the micro-arc oxidation tank, and the micro-arc oxidation tank is connected with the circulating tank and can cool the electrolyte flowing to the injection port. According to the micro-arc oxidation device with the variable cathode area, the growth rate of a micro-arc oxidation film layer is increased, the processing period is shortened, the production efficiency of the micro-arc oxidation film layer is improved, the electrolyte can be recycled, and the production energy consumption is reduced.

Description

technical field [0001] The embodiment of the present application relates to the technical field of surface treatment, in particular to a micro-arc oxidation device with variable cathode area and a surface treatment method. Background technique [0002] Micro-arc oxidation (MAO) is through the combination of electrolyte and corresponding electrical parameters, on the surface of aluminum, magnesium, titanium and other metals and their alloys, relying on the instantaneous high temperature and high pressure generated by arc discharge, in situ growth of matrix metal oxides. Metal surface treatment technology of functional ceramic oxide film. Compared with other surface treatment technologies, the advantages of micro-arc oxidation include: first, it can strengthen the surface of the base metal while maintaining the inherent characteristics of the material, so that it has excellent weather resistance; second, the production equipment is simple, the process is stable, and the produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/02
CPCC25D11/026
Inventor 范晓杰卢金武马小飞李长亮
Owner 西安庄信新材料科技有限公司
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