How to control the precision of aluminum oxidation treatment when CNC machining

I have been in contact with the machining industry for many years and have met many customers who have consulted the same questions. Asked if there is a certain influence on the accuracy of mechanical parts during the oxidation process of aluminum? Whenever a customer mentions this issue, we will inform the customer in detail. The oxidation of aluminum does have an effect on the accuracy of mechanical parts, because oxidation is a chemical treatment that will modify the appearance of aluminum and increase the hardness of mechanical parts. This is also the chemical coating technology!    How to control the precision of mechanical parts in the process of aluminum oxidation treatment? If the process size of fine mechanical parts is requested by precision, it can increase the process size of the machined parts or the size of the negative part according to the exact size after oxidation treatment to ensure fine machinery. After the processing part is oxidized, the process request on the drawing is reached. In the machining process of mechanical parts, not only the thickness of the paper is accurate, but also the size requirements of the fine hole, the step, the hole to the edge, etc., which are the same as the thickness request processing.    Aluminum oxidation has an impact on the precision of mechanical parts, but it can be controlled in the machining process of mechanical parts, which can guarantee and meet the technical requirements on the customer's drawings!The main products of the products manufactured by Lemo are machinery, electronics, automated assembly lines, communications, molds, medical, automation and special production equipment. At the same time, we have rich experience in processing various materials, such as AL6061/7075, SUS303/304, ESD225/420, DERLIN, S136H, SS440C, 17-4PH, ceramic Ceramic, Carbide Carbide, engineering plastic PEEK, etc. In addition, we can also provide customers with special processing, special heat treatment and special plating, surface treatment, etc.: such as optical grinding, honing, precision EDM shaped processing, carburizing, nitriding, vacuum heat treatment, ultra-low temperature treatment. Hard oxidation of aluminum parts , steel parts are blue, electrolytic polishing, electroless nickel, silver plating, gold plating, etc.
Lemo has over 40 cnc machining centers, include 3 axis,4 axis , 5 axis.We are expert on Custom metal parts, CNC machined parts, precision machining, aluminum machining, CNC machining ,CNC milling, CNC turning processing, precision grinding and so on. 
 pls conttact us as below :Amy ChenDongguan Lemo Precision Metal Products Co.,LtdDirect Phone: 86-137 1326 2409
Skype: amyptjEmail: [email protected] 
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