planetary reducer gearbox

An epicyclic gear train (also called ) contains two mounted to ensure that the centre of 1 equipment revolves around the center of the other. A carrier links the centres of both gears and rotates to transport one gear, called the planet gear or world pinion, around the various other, called the sun gear or sunlight wheel. The planet and sunlight gears mesh to ensure planetary reducer gearbox Precision planetary reducer stepper motor speed reducer gearbox steel gear box gearhead gear head nema 23that their pitch circles roll without slip. A point on the pitch circle of the planet equipment traces an epicycloid curve. In this simplified case, sunlight equipment is fixed and the planetary equipment(s) roll around sunlight gear.

An epicyclic gear train can be assembled therefore the planet equipment rolls on the inside of the pitch circle of a set, outer gear ring, or , sometimes called an annular gear. In cases like this, the curve traced by a spot on the pitch circle of the earth is a hypocycloid.

The mixture of epicycle gear trains with a planet engaging both a sun gear and a ring gear is named a planetary gear train.[1][2] In cases like this, the ring gear is usually fixed and the sun gear is driven.

Epicyclic gears get their name from their earliest program, that was the modelling of the actions of the planets in the heavens. Believing the planets, as everything in the heavens, to become perfect, they could only travel in perfect circles, but their motions as viewed from Earth could not be reconciled with circular Auto Chain motion. At around 500 BC, the Greeks developed the thought of epicycles, of circles travelling on the circular orbits. With this theory Claudius Ptolemy in the Almagest in 148 AD could predict planetary orbital paths. The Antikythera System, circa 80 BC, experienced gearing which was in a position to approximate the moon's elliptical route through the heavens, and even to improve for the nine-year precession of that route.[3] (The Greeks could have seen it not as elliptical, but instead as epicyclic motion.)

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