Suppose that the gears in Figure 15.28 (page 669 of textbook) are identical, each having an...

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Mechanical Engineering

Suppose that the gears in Figure 15.28 (page 669 of textbook)are identical, each having an 8-in diameter, 80 teeth and 20°pressure angle. Assume that their finish and accuracy correspond toabout the best that is commercially obtainable with a shapingcutter. (a). Which of the gears is the most vulnerable totooth-bending fatigue failure? Why? (b). If the motor rotates 1200rpm, determine the proper values for V, P, p, Kv, and J.

(Figure Numbers are from Juvinall and Marshek, FifthEdition)

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