This video consist of Assembly of electric motor to SMD Planetary Gearbox where a details of inner parts of the Gearbox can be seen and the working of Gearbox is explained. Here we can observe how the Gearbox works after coupling with motor and how the motor RPM is reduced at the output. Inline reduction of the rotational movement can be observed and is explained in this video.

Selection criteria of Motor according to Gearbox Size.
For, 50 to 100 watt motor we select Size 40
100 to 400 watt motor we select Size 60
400 to 700 watt motor we select size 90
750 to 1500 watt motor we select size 120
1500 to 2000 watt motor we select size 150
2000 to 7000 watt motor we select size 180
7000 to 1100 watt motor we select size 220

Please watch our another video for the detail explanation of the assembly using bolts and Allen keys.
Video Link    • Right Angle Gearbox Motor Installatio...