Jiangsu DINGS' represented new 3 axes stepper linear actuator demonstration during Automation Mumbai Expo We adopted longer lead screw which is going thru 3 sets of NEMA23 stepper to realize synchronous motion by Mitsubishi PLC.
This demo describes capabilities of DINGS' Non-Captive Linear Actuators but also various size of hollow shaft motors too.
Jiangsu DINGS' also supplies general open-loop microstepping drivers as well.