The three main types of stepper motor technology are permanent magnet, variable reluctance, and hybrids. Permanent magnet (PM) stepper motors use permanent magnets on the rotor. The rotor is ...

Hybrids are the most effective, but most expensive stepper motor type. Permanent Magnet The motor uses a permanent magnet on the rotor. Step angles range from 1.5 to 30 degrees. Permanent magnet ...

Modifying a stepper motor by drilling a hole down its shaft ... which uses a modified delta-style 3D-printer to roll fine magnet wire out onto adhesive paper to form beautiful coils of various ...