Unusual Robot Arm. How it works ( IGUS RL DP 5)

This is unusual professional robotic arm. It uses stepper motors instead of usual brushless, and worm gearboxes instead of harmonic drive. In the last joint it uses plastic stain wave gearbox (of course we look at it in details) :) For more information, the link to this robot arm: Special thanks to my special Patrons: RobotDigg Shanghai, Shounak Bhattacharya, M. Aali, Matthew Harrison and Vikas Marwaha