Patent ID: 9029805
Filing Date: 2015-05-12
Classification: G01N

Abstract:
1. A method for inspecting contact between mating gears, the method comprising: providing first and second gears, each of the first and second gears having respective sets of gear teeth; mounting the first and second gears for rotation about respective axes such that the teeth of the first gear being meshed to the teeth of the second gear; applying a mixture to the teeth of the first gear, the teeth of the second gear, or the teeth of both the first and second gears, the mixture comprising a hypoid gear lubricant and a fluorescing dye; rotating the first gear relative to the housing to thereby drive the second gear; applying ultra-violet radiation to the teeth of at least one of the first and second gears while the second gear is being driven by the first gear; and inspecting the ultra-violet radiated teeth to identify a tooth inspection zone that approximates a zone of contact between the teeth of the first and second gears.