| DONG Xiao-rong,HUANG Juan,MA Li-min.Study on Hard Anode Oxidation for Parts of Tank[J],37(5):85-88 |
| Study on Hard Anode Oxidation for Parts of Tank |
| Received:June 17, 2008 Revised:October 10, 2008 |
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| DOI： |
| KeyWord:Aluminum Alloy Parts in cylinder Hard anode oxidation Oxide film thickness Auxiliary cathode |
| Author | Institution |
| DONG Xiao-rong |
Xian Shiky High Voltage Electric Co. , Ltd, Xian, China |
| HUANG Juan |
Xian Shiky High Voltage Electric Co. , Ltd, Xian, China |
| MA Li-min |
Xian Shiky High Voltage Electric Co. , Ltd, Xian, China |
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| Abstract: |
| Parts in cylinder are the key ones within the hydraulic operating mechanism, which is one of the important parts of product above mentioned. According to the product drawings requirements, the parts in cylinder are required for hard anode oxidation, which should guarantee the machining size before oxidation, oxide film thickness as well as assembly size after oxidation. The three requirements described above cant be satisfied at the same time in normal oxidation process and testing, which means there might be unquaMed parts. Because it's difficulty to measure oxide film thickness accurately, its hard to control the oxidation process. A new view about influencing factors of oxide film thickness for parts of tanks and several improvement methods, such as positive votage controlling, special pictograph auxiliary cathode and accurately thickness measuring, are mentioned. Applied special thinckness detector of eddy,and suggest that tank parts anode oxidation of shall chose thinner day oxidation requirement; moreover, hose parts have to add auxiliary cathodion and applied with special thickness detector of eddy to inspect thinckness of oxide film. |
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