Stepping motor on the structure there are three main types: reactive (可变磁阻、虚拟现实), permanent magnet (永久磁铁,PM)And hybrid (混合步进,HS)。 reactive stepper motor, stepper motor is a kind of traditional, by the magnetic rotor iron core through interaction with pulsed electromagnetic fields produced by the stator and rotating generation. reactive stepper motor working principle is simple, uniform distribution of many small teeth on the rotor and the stator tooth has three excitation winding, its geometrical axis respectively with the rotor teeth axis staggered in turn. The position and speed of the motor by the number of conductive (Pulse number)A one-to-one relationship with and frequency. The direction is determined by the conductive sequence. On the market in general with two, three, four, five phase reactive stepper machine is in the majority. applications: reactive stepper motor is mainly used in computer peripheral equipment, photographic system, combination of photoelectric device, control valve, a nuclear reactor, bank terminal, nc machine tools, automatic winding machine, electronic watches and clocks, and in the field of medical equipment, etc. permanent magnet, permanent magnet stepper motor rotor permanent magnet materials, the rotor pole and stator pole is the same. Is characterized by good dynamic performance, large output torque, step precision is poor, but the motor torque Angle (As a general rule, be 7. 5 ° or 15 °)。 hybrid: hybrid stepping motor integrated advantages of reactive and permanent magnet on the multiphase winding on the stator, rotor permanent magnet materials, have multiple small teeth on the rotor and stator step in order to improve the torque accuracy. Its characteristic is the output torque, good dynamic performance and interval Angle is small, but the complex structure, the cost is relatively high. on the stator winding and rotor is composed of soft magnetic materials. Simple structure, low cost, small interval Angle, up to 1. 2 °, but poor dynamic performance, low efficiency, big fever, difficult to ensure reliability. in the stator winding, a total of two phase, three-phase equals five series. The most popular is the two-phase hybrid stepping motor, accounted for more than 97% of market share, high performance/price ratio, and the reason is, deserve to go up after subdivision driver effect is good. This kind of motor is apart from the Angle of the basics of 1. Step 8 ° / step, with the upper drive, step away from the Angle of reduced to zero. Step 9 °, deserve to go up after subdivision drive its elongation can be subdivided by 256 times (0. 007 ° / micro step)。 Due to friction and manufacturing precision, etc, the actual control precision is slightly lower. With the step motor can match different subdivision drive in order to change the accuracy and effect. the main products: stepper motor, brushless motor, servo motor, stepping motor drive, brake motor, linear motor and other kinds of models of the stepper motor, welcome to inquire. Telephone:
