The double-reduction helical gearset shown in the figure
Chapter 13, Problem 13.16(choose chapter or problem)
The double-reduction helical gearset shown in the figure is driven through shaft a at a speed of 700 rev/min. Gears 2 and 3 have a normal diametral pitch of 12 teeth/in, a 30 helix angle, and a normal pressure angle of 20. The second pair of gears in the train, gears 4 and 5, have a normal diametral pitch of 8 teeth/in, a 25 helix angle, and a normal pressure angle of 20. The tooth numbers are: N2 5 12, N3 5 48, N4 5 16, N5 5 36. Find: (a) The directions of the thrust force exerted by each gear upon its shaft (b) The speed and direction of shaft c (c) The center distance between shafts
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