A semi-enclosed, advanced design, five axis, robot arm with electrical gripper. A five axis robot arm popular with those educators who need a rugged semi-enclosed design suitable for students at the community college through university level. Constructed out of 0.125 inch and 0.250 inch thick aluminum plate for years of trouble free service. Powered by six PMDC servo motors with integral gearboxes and incremental encoders. Home position microswitches on all axes and on the hand. Easy to service and repair construction throughout.