Worm Gear Units

Escalators 
Lift drives 
Conveyors 
Coal mills 
Eccentric and rotary presses 
Roll adjustment drives
Mixer drives 
Single screw extruders
 
 

Examples of applications

Backstops 
Motor bell housings 
End/Forcing plate for hollow shaft design 
Guard for shrink disk 
Motor brackets 
Torque reaction arms 
Bottom bell housing for aerator drives 
 

Solid or hollow shaft on output side 
Input or output shaft on both sides; reinforced bearing arrangement on output side 
Hollow shaft with shrink disk or involute splines 
Labyrinth or Taconite shaft seals 
Cast iron or fabricated steel housings 
Worm and wheel sets with reduced backlash 
Worm and wheel sets with increased accuracies 
Worm and wheel sets with DUPLEX?gearing 
Worm, worm and helical, and double worm gear unit designs 
Oil level indicator, Oil level limit switch
 
  Accessories

 Designs

High transmittable power ratings per unit of volume 
Large transmission ratio in one gear stage 
Irreversibility possible when at rest 
Vibration damping, low-noise gearing not susceptible to shocks
 

 Feature  Values  Unit
Power rating up to 800 kW
Torque range up to 360,000 Nm
Transmission ratio 5 up to 4,600 [-]
Centre distances 63 up to 630 mm
 
   
 
 
 
Advantages

Worm Gear Units
 
 
 
 
 
CAVEX?worm gear units and worm and wheel sets with concave-profile worm threads; according to the modular construction system.
Systematic grading of sizes, dimensions and transmission ratios.