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金屬化學蝕刻機的步驟Steps of metal chemical etching machine

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金屬化學蝕刻機的步驟Steps of metal chemical etching machine

發布日期:2018-10-27 作者:www.tonertimes.com 點擊:

  工業上金屬等離子刻蝕機的化學腐蝕通常有下述四個步驟:

  1.清潔處理:其目的是將待腐蝕零件毛培表麵的各種汙漬清洗幹淨,以保證防蝕層能與金屬表麵的粘附力均勻一致,並使蝕刻速度均勻不變。常用的清潔處理方法有:有機溶劑清潔、堿性化學清潔、酸性化學清潔、超聲波清潔及電解清潔處理等。在使用過程中可根據零件金屬材料類型及零件表麵的汙染程度分別選擇。

等離子刻蝕機

  2.防蝕處理:其目的是保護那些不需要腐蝕加工的表麵,使需要腐蝕加工的金屬表麵完全暴露出來,而被與金屬材料相適應的腐蝕劑所腐蝕。這一工序要求:防蝕材料要與金屬表麵粘附牢固,並在整個腐蝕過程中不會發生防蝕層脫落現象。防蝕處理主要包括:絲網印刷防蝕技術、照相化學防蝕技術、移印防蝕技術、圖形電鍍防蝕技術、激光光刻防蝕技術及刻劃防蝕層技術。

  3.防蝕加工:是將被腐蝕金屬零件按圖紙要求製作好防蝕圖文後,放入腐蝕機中進行腐蝕加工的過程。在這一工序中主要控製:腐蝕劑濃度、腐蝕溫度、時刻時間等。金屬腐蝕加工根據圖紙要求可分為五種基本類型,即:整體腐蝕、選擇腐蝕、多台階腐蝕、錐度腐蝕和化學切割下料。金屬全麵腐蝕不需要進行防蝕處理,零件經清潔處理後即可進行腐蝕加工。

  4.清除防蝕層:零件從金屬腐蝕機中取出後,使用溶劑、堿液或其他清潔劑將零件表麵的防蝕層去掉。

The chemical corrosion of the metal plasma etching machine in industry usually has the following four steps: 

 1. Cleaning treatment: the purpose is to clean all kinds of stains on the surface of the parts to be corroded, so as to ensure that the anti-corrosion layer can be uniform with the adhesion of the metal surface, and the etching speed is uniform. Common cleaning methods include: organic solvent cleaning, alkaline chemical cleaning, acid chemical cleaning, ultrasonic cleaning and electrolytic cleaning. In the use process, it can be selected according to the type of metal material and the pollution degree of the part surface.

2. Anti corrosion treatment: its purpose is to protect the surfaces that do not need to be corroded, so that the metal surfaces that need to be corroded are exposed completely, and are corroded by the corrosive agent suitable for the metal materials. This process requires that the anti-corrosion material adhere to the metal surface firmly, and the anti-corrosion layer will not fall off during the whole corrosion process. Anti-corrosion treatment mainly includes: screen printing anti-corrosion technology, photo chemical anti-corrosion technology, pad printing anti-corrosion technology, graphic plating anti-corrosion technology, laser lithography anti-corrosion technology and etching anti-corrosion layer technology. 

 3. Anti corrosion processing: it is a process that the corroded metal parts are put into the corrosion machine for corrosion processing after the anti-corrosion graphics and text are made according to the drawing requirements. In this process, the concentration of corrosion agent, corrosion temperature and time are mainly controlled. According to the requirements of drawings, metal corrosion processing can be divided into five basic types, namely: overall corrosion, selective corrosion, multistep corrosion, taper corrosion and chemical cutting blanking. No anti-corrosion treatment is required for all-round metal corrosion, and parts can be processed after cleaning. 

4. Remove the anti-corrosion layer: after the parts are taken out from the metal corrosion machine, use solvent, alkali solution or other cleaners to remove the anti-corrosion layer on the surface of the parts.


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