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PM Stepper Motor

The Permanent Magnet (PM) stepper motor has a stator construction similar to that of the single stack variable reluctance motor. The rotor consists of permanent magnet poles of high retentivity steel and is cylindrical in shape. The concentrating windings on diametrically opposite poles are connected in series to form a two phase winding on the stator.

PM stepper motors use a permanent magnet in the rotor and operate on the attraction or repulsion between the rotor PM and the stator electromagnets. Permanent magnet stepping motors are generally two-phase, with small torque and volume, and the step angle is generally 3.75 degrees, 7.5 degrees, 15 degrees or 18 degrees, etc. Our PM stepper motors are widely applied in many innovative applications, including: computer equipment, photographic systems, optoelectronic devices, valve control, ATM equipment, CNC machine, automatic winding machines, electronic clocks and medical equipment.

PM stepper motors offer a compact, efficient and highly cost-effective drive solution for a wide diversity of applications. Oyostepper's experienced technical engineers can help you choose the optimum motor for your application through selection of the most appropriate electrical winding, step angle and rotor stack configuration.

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