Posted by Randy Pasko on February 25, 2004 at 14:36:03:
In Reply to: Face gears posted by Tom Dobosz on May 16, 2003 at 09:03:51:
The concave/convex face teeth you refer to are from a Gleason design called a curvic coupling.
They are groung from solid using a Gleason curvic grinding machine. We have both #19 and #120 Gleason curvic grinding machines.