The Geometric Design of Internal Gear Pairs - May/June 1990
The article "The Geometric Design of Internal Gear Pairs" appeared in the May/June 1990 issue of Gear Technology.
The paper describes a procedure for the design of internal gear pairs, which is a generalized form of the long and short addendum system. The procedure includes checks for interference, tip interference, undercutting, tip interference during cutting, and rubbing during cutting.
The article "The Geometric Design of Internal Gear Pairs" should appear in the box below, but if you do not see it, you can download it here.