Posted by Tom Ramsey on February 19, 2009 at 14:01:41:
In Reply to: Re: ANSI B92.1-1970 posted by John Cerra on February 18, 2009 at 13:13:31:
The "c" is minimum clearance. It is the difference between the max actual and max effective tooth thickness. It is based on the pitch and the class of fit. See table 64, page 81. Assumed external spline.