Some important features
of gears and gear trains are:
1. The ratio of the pitch circles of mating gears defines the speed ratio and the mechanical advantage of the gear set.
2. A planetary gear train provides high gear reduction in a compact package.
3. It is possible to design gear teeth for gears that are non-circular, yet still transmit torque smoothly.
4. The speed ratios of chain and belt drives are computed in the same way as gear ratios.
1. The ratio of the pitch circles of mating gears defines the speed ratio and the mechanical advantage of the gear set.
2. A planetary gear train provides high gear reduction in a compact package.
3. It is possible to design gear teeth for gears that are non-circular, yet still transmit torque smoothly.
4. The speed ratios of chain and belt drives are computed in the same way as gear ratios.
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