Last year, Hot Wheels celebrated its 50th anniversary. While a writing gig in manufacturing and engineering probably sounded surreal to the 8-year-old version of this author, truth be told, he was obsessed with Hot Wheels and Matchbox toys for most of his childhood. Somewhere in a box in the basement there’s a 1967 Camaro and a 1953 Corvette
that would still bring a smile to this face.
The paper is not the proof of a discovery, but it is the description of a method: the
optimization of the microgeometry for cylindrical gears. The method has been applied and described on some transmissions with helical gears and compound epicyclic, used on different hybrid vehicles. However, the method is also valid for industrial gearboxes.
A reader asks: I'd like to know about the different approaches and factors considered while determining the value of Ka in regards to the DIN 3990 and AGMA standards.