Reply To: First axis not moving properly Forum › Get Help › Electronics › First axis not moving properly April 2, 2018 at 6:01 pm #965 Quote Rafael Caballos Thank you Ángel again for your help. We changed the motor to a 40 mm long one and also printed a new gear with modulus 1.9, and now it moves fairly well. We continue to build the rest of the robot. Rafael