Question: 8. A 20-degree spur pinion with 20 teeth and a module of 2.5 mm transmits 120 W to a 36- tooth gear. The pinion

8. A 20-degree spur pinion with 20 teeth and a module of

8. A 20-degree spur pinion with 20 teeth and a module of 2.5 mm transmits 120 W to a 36- tooth gear. The pinion speed is 100 rpm, and the gears are grade 1, 18-mm face width, through-hardened steel at 200 Brinell, uncrowned, manufactured to a No. 6 quality standard, and considered to be of open gearing quality installation. Find the AGMA bending and contact stresses and the corresponding factors of safety for a pinion life of 10 cycles and a reliability of 0.95. Use AGMA equations, eqn 14-15 thru 14-18.

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