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Question

B)

A compound gear train is shown below. Gear A has 60 teeth, engaging with gear B

having 200 teeth. Gear C has 60 teeth and is attached to the same shaft as gear B. Gear

C meshes with gear D, which has 90 teeth. The initial speed of gear A is 120 r.p.m.

Calculate:

i) the movement ratio of the gear system

ii) the speed of gear D in radians per second.

56

5

Fig: 1