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Annodizing

Old 03-12-09, 05:35 PM
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sooprvylyn
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Annodizing

I want to annodize my hubs but they have steel cups. Anyone know a good way to mask the cups so they dont disolve in the sulphurinc acid?
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Old 03-12-09, 06:06 PM
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Originally Posted by sooprvylyn View Post
I want to annodize my hubs but they have steel cups. Anyone know a good way to mask the cups so they dont disolve in the sulphurinc acid?
Knock 'em out with a drift punch and press them back in after you get the hubs back from anodizing.
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Old 11-02-09, 07:33 PM
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Are these bottles of spray paint as good as getting something anodized?

http://www.krylon.com/products/xmetals/

http://www.duplicolor.com/products/metalcast.html
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Old 11-02-09, 07:38 PM
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Originally Posted by JohnDThompson View Post
Knock 'em out with a drift punch and press them back in after you get the hubs back from anodizing.
Can you do that with Shimano hubs?

I was thinking of recommending filling the hub with melted wax to mask the races and them melting it out with boiling water after the hubs are anodized.
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Old 11-03-09, 03:21 PM
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Originally Posted by hybridbkrdr View Post
Are these bottles of spray paint as good as getting something anodized?

http://www.krylon.com/products/xmetals/

http://www.duplicolor.com/products/metalcast.html
Nope, there's a translucent 3D clear finish to anodizing (the hexagon cells are aimed vertically on the surface). I haven't found any paints to give a nice finish similar to anodizing. Although Alsa does have some chrome-like paint that's very, very close to the real thing.
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Old 11-09-09, 12:35 PM
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Originally Posted by HillRider View Post
I was thinking of recommending filling the hub with melted wax to mask the races and them melting it out with boiling water after the hubs are anodized.
I don't know about the process he'll be using, but commercial platers use hot baths for the cleaning and etching. I'd be afraid the wax would melt. Otherwise it's a good idea - wax is impervious to just about anything chemical.
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