planetary reducer gearbox

An epicyclic gear train (also called planetary gear) contains two gears mounted so that the centre of 1 gear revolves around the center of the other. A carrier links the centres of the two gears and rotates to carry one gear, called the earth gear or planet pinion, around the various other, called the sun gear or sunlight wheel. The earth and sunlight gears mesh to ensure that their pitch circles roll without slip. A point on the pitch circle of the earth equipment traces an epicycloid curve. In this simplified case, sunlight gear is fixed and the planetary equipment(s) roll around sunlight gear.

An epicyclic gear train can be assembled so the planet equipment rolls within the pitch circle of a fixed, outer gear ring, or ring gear, sometimes named an Planetary Reducer Gearbox annular equipment. In this case, the curve traced by a point 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 called a planetary gear train.[1][2] In this instance, the ring equipment is generally fixed and sunlight gear is driven.

Epicyclic gears get their name from their earliest program, which was the modelling of the movements of the planets in the heavens. Believing the planets, as everything in the heavens, to be perfect, they could only travel in ideal circles, but their motions as seen from Earth could not be reconciled with circular 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 was able to predict planetary orbital paths. The Antikythera System, circa 80 BC, had gearing which was in a position to approximate the moon’s elliptical path through the heavens, and even to improve for the nine-calendar year precession of that route.[3] (The Greeks could have seen it not as elliptical, but instead as epicyclic motion.)
EP, a versatile and multi-use option, is not simply another simple planetary gearbox. EP high-tech planetary reducer is definitely a genuine integrated concept, including more than a few functions combined alongside one another to give a complete sub-assembly to the most demanding machines.
EP is the best high-tech servo-reducer, specially dedicated to designs requiring:
Superior output torsional stiffness
Ultra-excessive output radial stiffness and Tilting moment
Patented output bearing design
A high-tech planetary gear train, based on REDEX’s differential know-how
ISO 9409-1 productivity drive flange for installation pinions, pulleys, couplings, etc.
High input speeds
Superior acceleration and superb torque density
Minimum backlash (1 – 3 arc-minutes)
In-Line or proper angle arrangements
This versatile design helps it be easy for design engineers to find precise answers to the most demanding applications.
Parallel shaft Gearmotors
Helical Single-Stage
The S Series design may make this gearmotor particularly effective for fan, blower applications and pump. To meet the needs of clients in these sectors, the S Series is also available in the foot or flange editions and will be completed with a wide selection of electric motors entirely created by EP. Asynchronous motors both IEC and compact (B-BE-BX/M-ME-MX), servomotors (BMD) and reluctance motors (BSR) could be coupled with the S Series: with the breadth of its portfolio, EP provides buyers with an outstanding balance of dynamics, cost effectiveness and efficiency.


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