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Coating preparation system

A preparation system and coating technology, applied in the direction of coating, surface reaction electrolytic coating, electrolytic coating, etc., can solve the problem that the laser cannot change the arc discharge characteristics, etc., and achieve the effect of uniform coating

Active Publication Date: 2020-06-16
贵州中医药大学第一附属医院 +1
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  • Abstract
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Problems solved by technology

[0005] The embodiment of the present application provides a coating preparation system to at least solve the problem in the related art that there is asynchrony in the processing sequence between the laser and the arc, and the laser cannot change the arc discharge characteristics

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0037] Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application, and those skilled in the art can also apply the present application to other similar scenarios. In addition, it can also be understood that although such development efforts may be complex and lengthy, for those of ...

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Abstract

The invention relates to a coating preparation system for preparing a workpiece surface coating. The coating preparation system comprises a power supply, a laser unit, a controller and a micro-arc oxidization device, wherein the controller is separately connected to the power supply and the laser unit; the positive electrode of the power supply is connected to the anode of the micro-arc oxidization device; the negative electrode of the power supply is connected to the cathode of the micro-arc oxidization device; the controller controls the laser unit to preheat a partial area of the anode; andthe controller controls the power supply and the laser unit to perform laser electric-arc coupling micro-arc oxidization on the preheated anode. According to the coating preparation system disclosedby the invention, the laser unit outputs second pulses to preheat the anode, and the controller controls the laser unit and the power supply to perform laser electric-arc coupling micro-arc oxidization, so that second pulses of the laser unit and third pulses of the power supply are in a synchronous time sequence, and therefore, the prepared coating is more uniform.

Description

technical field [0001] This application relates to the technical field of material surface treatment engineering, in particular to a coating preparation system. Background technique [0002] In recent years, magnesium alloys, titanium alloys and other metals have been used more and more as medical implant materials, such as human implants and cardiovascular and cavity interventional therapy stents, etc., which have high medical value and broad application market. However, the poor corrosion resistance of magnesium alloys and titanium alloys restricts their application and promotion. [0003] Micro-arc oxidation (MAO) is an emerging material surface modification technology. By controlling its electrical parameters and electrolyte composition, it can grow a substrate with strong bonding force, high hardness and wear resistance on the surface of magnesium alloy and titanium alloy. Ceramic coatings with high corrosion resistance and high corrosion resistance are conducive to br...

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Application Information

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IPC IPC(8): C25D11/00C25D11/02C25D11/26C25D11/30C25D11/34
CPCC25D11/005C25D11/024C25D11/026C25D11/26C25D11/30C25D11/34
Inventor 张仲昭杨凯文昌晖
Owner 贵州中医药大学第一附属医院
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