3× Nema23 stepper motor. 4× Nema23 stepper motor. Nema23 Stepper motor 76mm/270Oz-in/ 3A 1.8Nm. 3× Tb6600 stepper motor driver. 4× Tb6600 stepper motor driver. Support for 4-axis linkage, you can connect four stepper motor drives or servo drives;.
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