Posted by mkk on January 17, 2006 at 16:00:16:
In Reply to: gear noise in speed increaser gear set posted by steve green on January 15, 2006 at 11:16:57:
I will assume you have the correct gearing in your machine for the correct helix angle.
My next suggestion, would be to use a non metalic gear material which should reduce the noise levels although it may not be strong enough for your application.