Quote:
Originally Posted by sanddrag
A machinist I know said for a traditional basic anodizing, the dimension added is so negligable .0002-.0003" that it doesn't need to evern be considered for most bearing press fits. If you are getting into hard anodizing, it is possible you could add a thou or two, and then it would need to be considered.
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This is usually correct. Dont worry about it at all if you are just doing a regular colored ano. If you are doing a hard anodization, find out exactly which process you are using and contact the people themselves. They will tell you the thickness which will allow you to change your part dimensions accordingly. It should be noted, however, that "thickness" in the anodizing world refers to the total amount of material affected by the process, both penetrating and building. This means an anodize that is .0002 thick penetrates .0001 and builds .0001.
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