Planetary Gear Units

Roller press drives 
Slewing gear drives 
Bucket wheel drives 
Apron conveyor drives 
Separator drives 
Agitator drives 
Travelling gear drives 
Steel band rolling mill drives 
Rotary kiln drives
 
 

Examples of applications

Housing ?with or without mounting feet 
Torque reaction arms 
Bell housings 
Motor brackets 
Oil coolers 
 

Output shaft as hollow or solid shaft
Hollow shaft for shrink disk or with involute splines
Solid shaft with parallel key or involute splines
Input shaft with parallel key
Input and output shaft sealed by means of radial shaft seals; can be combined with primary refillable labyrinth
Input shaft with reinforced bearing
Bearing of main planetary gear stage in standard or reinforced design
Output can be combined with a short or long drive shaft and mounted pinion for use as gear unit in a slewing gear drive
 
  Accessories

Designs

Modular construction system = Multi-purpose use of the housings and internal components
Optimum load distribution between the planet gears, among other things owing to high manufacturing accuracy and Finite-Element calculation method (FEM calculation) of the planet carrier
Three or four planet gears
 

 Feature  Values  Unit
Power rating 30 up to 13,000 kW
Torque range 22,000 up to 2,600,000 Nm
Transmission ratio 25 up to 4,000 [-]
 
   
 
 
 
Advantages

This series includes more than 27 sizes. The gear units comprise two or three planetary gear stages which can be combined with different primary gear stages. Primary gear stages can be either helical or bevel gear stages or a combination of bevel and helical gear stage. 
 

FLENDER planetary gear unit series for horizontal and vertical installation.