A novel approach to the development of the bearing pattern for spiral-bevel and hypoid gears is presented. The numerical method uses the concept of "potential point of contact" to determine the shape of the separation between the meshing tooth surfaces in the vicinity of the Mean Point. Machine settings are used as control parameters in the numerical solution to modify the shape and location of the bearing pattern. The presented method, which has been used in the automobile industry for several years, allows substantial freedom in the development of spiral bevel and hypoid gear sets, even on conventional generators.
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