‌1.Definition and characteristics of hybrid stepper motors

Hybrid stepper motors have the characteristics of both permanent magnet and reactive stepper motors. The rotor itself is magnetic, so the torque generated under the same stator current is greater than that of reactive stepper motors, and the step angle is usually smaller. This makes it widely used in economical CNC machine tools and other equipment that require high-precision control. However, the structure of the hybrid rotor is more complex, the rotor inertia is large, and its speed is lower than that of reactive stepper motors.

1.Unipolar drive: Unipolar drive means that each coil is connected to only one power supply, and the direction of rotation of the motor is controlled by changing the polarity of the power supply. This drive method is simple, but the output torque is small.

‌2.Bipolar drive: Bipolar drive means that each coil is connected to two power supplies, and the direction of rotation of the motor is controlled by changing the polarity of the power supply. This drive method has a large output torque, but the control circuit is more complex.

‌3.Subdivision drive‌: Subdivision drive refers to controlling the step of the motor by changing the current of the coil. This driving method can improve the step accuracy of the motor, but requires a more complex control circuit. 

‌4.Microstep drive‌: Microstep drive refers to controlling the step of the motor by changing the current and voltage of the coil. This driving method can further improve the step accuracy of the motor, but requires a more complex control circuit. ‌

1.Combining the advantages of permanent magnet and reactive types‌: The hybrid stepper motor is designed by combining the advantages of permanent magnet and reactive stepper motors. It has high output torque and high step accuracy, so it has been widely used in many applications. ‌

2.Step angle and accuracy‌: Hybrid stepper motors are divided into two-phase, three-phase and five-phase. The two-phase step angle is generally 1.8 degrees, the three-phase step angle is generally 1.2 degrees, and the five-phase step angle is generally 0.72 degrees. As the number of phases increases, the step angle decreases and the accuracy increases. ‌

‌3.Structural features‌: Hybrid stepper motors are mainly composed of two parts: stator and rotor. The stator consists of multiple windings, which are arranged in a specific way to generate a rotating magnetic field. The rotor is composed of permanent magnetic materials and soft magnetic materials, and the permanent magnetic materials provide the initial magnetization of the magnetic field.

4.Performance advantages‌: The rotor of the hybrid stepper motor is magnetic, so the torque generated under the same stator current is greater than that of the reactive stepper motor, and its step angle is usually smaller. In addition, as the number of phases increases, the step angle decreases and the accuracy improves.

5.Application areas‌: Hybrid stepper motors are widely used in industrial automation and precision control, especially in CNC machine tools, robots, 3D printing and other fields. Its precise step control and easy-to-implement open-loop control make it very popular in situations where high-precision position control is required.

1.Robotics technology‌: Hybrid stepper motors are widely used in the field of robotics, mainly for driving robot joints. Due to its simple control, high precision and fast response speed, it can meet the high-speed and precise motion requirements of robots.

2.Industrial automation equipment: In the field of automation equipment, hybrid stepper motors are widely used in counters, printers, textile machines, packaging machines and other equipment. Its simple structure, convenient control and stable torque make it the first choice for stepper motors in automation equipment.

3.Instruments: In the field of instruments, hybrid stepper motors are also widely used. For example, hybrid stepper motors are needed in the focus adjustment of microscopes and sample injection of chemical analysis instruments. Due to its high precision and stable torque, it can meet the higher requirements of these fields.

4.Precision measuring instruments: Hybrid stepper motors have become an ideal choice in many scenarios that require precise control and fast response due to their high precision and high torque density.

5.3D printing: Hybrid stepper motors are also used in the field of 3D printing. Their high precision and stability make them perform well in the precise motion control of 3D printers.

6.Economical CNC machine tools: Hybrid stepper motors are widely used in economical CNC machine tools because of their high output torque and high step accuracy.