济南江河数控

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江河数控、雕刻机

2013-08-13 09:46The classification step motor?

Stepper motor of three types: permanent magnet (PM), reaction formula (VR) and a hybrid (HB). Permanent magnet stepper usually two-phase, torque and smaller, step angle of 7.5 degrees or 15. Reaction is generally three-phase stepper, can achieve high torque output, step angle of 1.5 degrees, but the noise and vibration are large, in Europe and other developed countries, the 1980s have been eliminated. Hybrid stepper is a mix of permanent magnet and reactive advantages, it is divided into two phases and five-phase, two-phase step angle of 1.8 degrees while the five-phase stepper angle of 0.72 degrees, this step into the motor of the most widely used.

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