Posted by Ron V on August 01, 2006 at 20:32:11:
In Reply to: Nitriding vs Carburizing bevel gears posted by MG on August 01, 2006 at 06:38:18:
Follow the link and post your question on the forum there as well, it's specific to Metrology.
I have no problem with nitriding gears as long as the application doesn't involve any shock loading. The process tends to leave a very thin, super hard layer on the casing called the "White Layer". The white layer can reach hardness levels of beyond 70Rc making the tooth surface very hard and brittle which would stand up poorly against any shock loading. There are heat treaters around who actively try to keep the white layer's depth to a minimum using different techniques. I’d try to source one of these.
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