Referring to the given figure, spur gear A receives 5 hp at 650 rpm thl B is an idler and gear C is the driven gear. The pressure angle o is 20° and the gear diameters: DA, DB, and DC are 6", 12", and 9" respectively. Determine : a. The torque each shaft must transmit, b. The tooth load for which each gear must be designed (Fr and Ft), c. The force applied to the idler shaft as a result of the gear tooth loads.

Parvinbhai

The gears shown in the figure form an ideal transmission mechanism. Shaft a applies 8.7 Nm of torque to the pinion (gear 2), which rotates clockwise at 2,312 revolutions per minute. All of the gears have a 20 degree pressure angle. Gears 2 and 3 have a module of 2.5 mm, while gears 4 and 5 have a module of 4 mm. What is the speed of shaft c? Express your answer in units of revolutions per minute. McGraw-Hill Companies, Inc for y 12T NO # + C 3 36T- to 스 3/2 X 18T 30T 5

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