Thanks gearguru, dug out my 'fundamentals of gearing' booklet and i'm back up to speed on gears profiles. But in the constraints of time and a relatively new cad system last week i drew it the old fashioned way and joined the dots.
As an aside, having drawn it all at mid limit, i measured tooth...
thanks all!
having had all you help and thinking about it in the shower (things always seems clear there, maybe i should move my desk!) i put in the 2mm ball circle, set the across balls radius and then made the involute curve tangent to it. having set the ball centre - rad line as the y axis...
Hi all
I'm trying to create a spline model of a JIS D 2001 female spline.
Its 20 deg PA, 22tooth (1mod) side fit, 20.673 base dia, 22.0 mm pcd, 22.0 minor and 24.3 major dia. addendum modification 0.8
20.067/ 20.157 between dia 2 pins.
Ive drawn the involute form basics but the tooth width is...
