Characteristics of the Gear Boxes
■ Planetary gears, low backlash, one-, two or three-stage, gear ratio 1 : 3 to 1 : 512
■ Spur gears, gear ratio 1 : 3 to 1 : 70
■ Angular gear boxes: worm gears, ratio 1 : 6 to 1 : 208, or bevel gears, low backlash, gear ratio 1 : 4 to 1 : 270, with solid or hollow shafts

Parameter Name	Parameter Value
Type	planetary worm bevel spur
Shaft orientation	coaxial
Torque (Nm)	200 - 500 100 - 200 1000 - 2000 500 - 1000 2000 - 5000
Number of stages	single-stage two-stage three-stage
Performance	low-backlash
Applications	transmission