Different types of stepper motors and their application fields

    When talking about stepper motors, we inevitably have to discuss the different types of stepper motors. Based on their structure, performance, and application, stepper motors can be divided into many types, such as single-phase stepper motors, two-phase stepper motors, three-phase stepper motors, four-phase stepper motors, etc. Each type of stepper motor has its unique application scenarios and advantages, and we'll explore them one by one.

    1. Single-phase stepper motor

    The single-phase stepper motor is the simplest type of stepper motor, typically consisting of two poles and a rotating rotor. Because of its simple structure, small size, and low cost, it is widely used in household appliances, home automation, medical equipment, handheld devices, and other fields.

    2. Two-phase stepper motor

    The two-phase stepper motor further optimizes the single-phase stepper motor, with its structure composed of two sets of electric drive coils that are orthogonally 90 degrees out of phase. With more precise current control, it can better control movement speed and accuracy and is commonly used in CNC machine tools, electronic watches, cameras, flatbed printers, and other equipment.

    3. Three-phase stepper motor

    The three-phase stepper motor has a more complex structure, consisting of three poles and a rotating rotor. It can maintain high precision while rotating at high speed, so it is often used in industrial automation, manufacturing, automotive accessories, and other application scenarios.

    4. Four-phase stepper motor

    The four-phase stepper motor is a high-performance stepper motor consisting of four electric drive coils. With more sophisticated structure and control than the three-phase stepper motor, it can achieve higher precision and speed and is suitable for high-demand application scenarios such as robots, printing presses, and CNC engraving machines.

    In addition to the above four types of stepper motors, there are also more specialized types, such as linear stepper motors, flying gyroscope stepper motors, and motors for plasma-based applications.

    Overall, different types of stepper motors have significant differences in application and performance, and choosing the right type of stepper motor based on specific requirements is crucial to meet the equipment's working requirements.