SPN planetary gear models excel due to their wide range of feasible applications. High rigidity coupled with low radial backlash for his or her dynamic positioning role. A highly efficient, compact style for continuous operation of your smart solution. Or optimal simple running properties through floor helical gears. What do you take into account to be important when choosing a gear device? You select which requirements your gear unit should fulfil.
The essential design of a planetary gear unit includes a sun gear, a ring gear and several planetary gears. The planetary gears are backed by the ring gear and rotate around the sun gear. This operating theory gave the name to this kind of gear unit. The gear unit’s drive and output functions can be carried out by the sun gear, the casing or the planetary carrier, planetary gearbox depending on the design.
In the most typical design, the epicyclic gear unit, the drive function is conducted by the sun gear, the output function by the planetary carrier, and the housing is stationary. This design includes a positive influence on the inner forces in the apparatus unit. The load distribution over a number of planetary gears allows high torques to be transmitted in 
a concise design. The use of helical gears decreases the running noises.