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Epicyclic gears get their name from their earliest application, that was the modelling of the movements of the planets in the heavens. Believing the planets, as everything in the heavens, to become perfect, they could just travel in ideal circles, but their motions as seen from Earth could not become reconciled with circular motion. At around 500 BC, the Greeks created the thought of epicycles, of circles traveling 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, got gearing which was in a position to approximate the moon’s elliptical path through the heavens, and also to improve for the nine-yr precession of that path.[3] (The Greeks could have seen it not as elliptical, but rather as epicyclic motion.)
EP, a versatile and multi-use alternative, is not only another simple planetary gearbox. EP high-tech planetary reducer can be a true integrated concept, including some functions combined alongside one another to give you a complete sub-assembly to the virtually all demanding machines.
EP is the best high-tech servo-reducer, specially focused on designs requiring:
Superior output torsional stiffness
Ultra-huge output radial stiffness and Tilting moment
Patented output bearing design
A high-tech planetary gear train, predicated on REDEX’s differential know-how
ISO 9409-1 output drive flange for mounting pinions, Planèt redukteur bwat pulleys, couplings, etc.
High input speeds
Superior acceleration and superb torque density
Minimum backlash (1 – 3 arc-minutes)
In-Line or correct angle arrangements
This versatile design helps it be possible for design engineers to find exact solutions to the most demanding aplikasyon yo.
Parallel shaft Gearmotors
Helical Single-Stage
The S Series design produces this gearmotor particularly effective for fan, blower applications and pump. To meet the needs of clients in these sectors, the S Series can be available in the foot or flange types and may be completed with a variety of electric motors entirely created by EP. Asynchronous motors both IEC and small (B-BE-BX/M-ME-MX), servomotors (BMD) and reluctance motors (BSR) could be in conjunction with the S Series: with the breadth of its portfolio, EP provides customers with a superb balance of cost performance, efficiency and dynamics.

The combination 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 generally fixed and the sun gear is driven.