A stepper motor or step motor or stepping motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any position sensor for feedback (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed. Our stepper motor at least 5% lower than other B2C, 100% quality control, 7 days unconditional return, ship to worldwide with DHL, Fedex, UPS, EMS.
About the closed loop stepper:
Closed-loop stepper with step-loss compensation is the most common type of closed-loop stepper control. The stepper drive operates as a micro-stepping drive and typically receives pulse and direction commands to move to the desired position. An encoder tracks shaft or load position. If lost steps are detected, a compensation algorithm inserts additional steps so that the motor shaft (or load) arrives at the desired position. Typically, the stepper-motor drive has settings for two currents: The motor gets running current when in motion and gets resting current when stopped.
They have been successfully implemented in many industrial such as CNC machinery (CNC routers, plasma, laser engravers/cutters, grinding machines, milling machines, etc), semiconductor, medical, lab automation, packaging...