This webinar will address the design details and pitfalls related with the gear tooth fillet configuration – NOT just the fillet radius specification. Often this parameter is not specified at all or only minimally noted on the engineering drawing. In fact, however, it is one of the most important factors in determining the actual bending strength of the gear tooth. In this regard we will discuss the various types of fillet forms including full trochoidal, corner radius trochoidal and full circular. Superimposed on these is the complicating detail of undercut which is developed either unintentionally due to tooth number and pressure angle conditions or intentionally to allow finishing the tooth flanks only (i.e. by flank grinding, lapping, honing, hard cutting, etc.) without creating a step in the critical section region.

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