Among them, the curve 3 current largest, highest or voltage; Curve 1 current minimum, or voltage minimum, curve and load of the point of intersection for load the maximum speed of point. To rotating joints make the average current is big, …

Step pitch Angle: correspond to rotating joint one pulse signal, the motor rotor turned with the angular displacement said. = 360 degrees (rotor tooth number J * operation take number), conventional two, four phase, rotor tooth for 50 toot…