2 Phase Step Motor for CNC 24V Stepper Motor

Variable reluctance step motors have teeth on the rotor and stator, but no magnet. Therefore it has no detent torque. The Permanent Magnet has a magnet for a rotor but no teeth. Usually, the PM magnet has crude step angles, but it does have detent torque.

Hybrid stepper motors combine the magnet from the permanent magnet and the teeth from the variable reluctance motors. The magnet is axially magnetized meaning in the diagram to the right the top half is a north pole and the bottom half is a south pole. On the magnet are two toothed rotor cups with 50 teeth. The two cups are displaced 3.6° so that if we look down the rotor between two teeth on the north pole cup, we would see one tooth on the south pole cup directly in the middle.

These motors are two phase construction, with 4 poles per phase. The poles 90° apart from one another make up each phase. Each phase is wound so that the pole 180° is the same polarity, while those 90° apart are the opposite polarity. If the current in that phase were reversed, so would the polarity. This means that we can make any stator pole either a north pole or a south pole.

Lead time:	15days
Usage:	Driver control
Key word:	Hight Torque
HS Code:	8501109990
Production Capacity:	300, 000 PCS/Month
Brand:	SL
Model NO.:	NEMA 17 Series
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Model:
57BYG250-41h
Brand:
SL
Code:
8501109990