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Planetary Gear Type
Apr 18, 2018

Planetary gears have the following features in terms of structure:

(1) The sun gear, planet carrier and ring gear are all concentric, that is, they rotate around a common axis, which can eliminate intermediate and intermediate gears such as those used in manual transmissions;

(2) All gears are always in mesh with each other, and there is no need to slip the gears when shifting, so friction and wear are small and the service life is long;

(3) The structure is simple and compact, its load is distributed to a large number of teeth, and the strength is large;

(4) A plurality of gear ratios can be obtained.