Posted by lbmakem on July 11, 2009 at 11:37:46:
In Reply to: Outside angle posted by northern gear cutter on June 01, 2009 at 16:11:28:
don't know why you want the angle on the outside diameter as it is not used in any formula that i know of, the Sine of the base angle is Cosine 0f your Pressure Angle multiplied by the Sine of your helix angle.