The speed reducer of Prob. 1424 is to be used for an application requiring 40 hp at

Question:

The speed reducer of Prob. 14–24 is to be used for an application requiring 40 hp at 1145 rev/min. Estimate the stresses of pinion bending, gear bending, pinion wear, and gear wear and the attendant AGMA factors of safety (SF )P , (SF )G , (SH )P , and (SH )G . For the reducer, what is the factor of safety for unquantifiable exigencies in Wt? What mode of failure is the most threatening?