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Epicyclic gearing or planetary gearing is a gear system consisting of one or more outer gears, or planet gears, revolving about a central, or sun gear. Typically, the planet gears are mounted on a movable arm or carrier , which itself may rotate relative to the sun gear.
The most basic form of planetary gearing involves three sets of gears with different degrees of freedom. Planet gears rotate around axes that revolve around a sun gear, which spins in place.
How Gears Work. by Karim Nice Planetary Gearsets & Gear Ratios. Prev NEXT . Any planetary gearset has three main components: The sun ... There are several other ratios that can be gotten out of this planetary gear set, but these are the ones that are relevant to our automatic transmission. You can try these out in the animation below:
The center of attention is the planetary gearset. About the size of a cantaloupe, this one part creates all of the different gear ratios that the transmission can produce. Everything else in the transmission is there to help the planetary gearset do its thing. This amazing piece of gearing has appeared on HowStuffWorks before.
Low-Cost, High-Efficiency Planetary Gear Systems. With units available in many ratios, sizes, and materials, Matex gears can be used singly or in combination to meet virtually any reduction requirement.
Turbo 400 Planetary Gear Set TH400. 4 Pinion Helical Gears have angled teeth. Planetary gear set was pulled from a low miles running th400 all Gears checked for proper clearances over allin very nice ...
Planetary Gear Set. Gears! Gears! Gears! Space Explorers Building Set, 77 Pieces. by Learning Resources. $33.98 $ 33 98 $39.99 Prime. FREE Shipping on eligible orders. 4.3 out of 5 stars 21. Manufacturer recommended age: 4 - 12 Years. Performance Automatic PA26418P C4 Planetary Power Gear Set.
GM TH350 Transmission FRONT PLANET PLANETARY GEAR SET NON LOCKUP. General Motors. $38.87. Buy It Now. Free Shipping. 700R4 4L60E Transmission Planetary Set 4 Gears Rebuilt. Refurbished. $59.00. Buy It Now +$25.00 shipping. 700R4 4L60E Transmission Planetary Set Bearing Type ,Rebuilt Planets 4 Gears. Refurbished.
Planetary gear set in motion. First the planet carrier is held stationnary, then the sun is held stationnary, finally the ring gear is held stationnary.
Sun Teeth. Planet Teeth. Ring Teeth. Sun Speed. Carrier Speed. Ring Speed. Requires an HTML 5-compliant browser. Gear image generation code from http://jsbin.com ...