Abstract
This paper presents a study on the deflection and bending moment of the WN (Haseg SymMarC) gear tooth. The tooth deflection and root stress of a Haseg SymMarC gear tooth due to a concentrated load were calculated by the three-dimensional finite element method (FEM) and compared with those measured. The validity of the gear model and constraint condition used in this FEM analysis was confirmed, and the critical section of the Haseg SymMarC gear tooth and the effects of the number of teeth and face width on the tooth deflection and bending moment were clarified. Furthermore, on the basis of these results, the approximate equations for the influence functions for deflection and bending moment of the Haseg SymMarC gear tooth were derived.
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