This section provides an overview for 5 phase stepper motors as well as their applications and principles. Also, please take a look at the list of 9 5 phase stepper motor manufacturers and their company rankings.
A stepper motor is a motor whose rotation angle and speed can be controlled by pulse signals and is used when accurate positioning is required. Among stepping motors, those with a movement angle of 0.72° per pulse are called 5 phase stepper motors.
Stepper motors have the following main features:
In addition to these features, 5 phase stepper motors are used to drive XY stages for microscopes because of their high-precision positioning capability.
Stepping motors are mainly composed of a "rotor" and a "stator.
For the above components, 5 phase stepper motors can be operated by the following procedure.
Thus, switching from phase A excitation to phase B excitation causes the rotor to rotate 0.72°.
In terms of electrical signals for control, "one cycle of power ON/OFF is one pulse," and when one pulse is input, the motor output shaft rotates by one step angle (0.72° for 5-phase).
The characteristics of 5 phase stepper motors vary depending on the wiring method. When designing a device, the wiring method should be considered to obtain a balance between cost and performance that is appropriate for the device.
Wiring methods include star wiring, pentagon wiring, and new pentagon wiring.
Stepper motors maximize their characteristics by setting the rotation speed according to time. Setting the rotation speed according to time is generally called an operation pattern. There are two types of operation patterns.
The rotation speed of a motor is not something that can be set as desired, but is determined by the following factors.
The characteristics of the motor you choose, especially the rotor inertia, are most important, especially when the motor is used for applications that require rapid movement and rapid stopping.
Stepper motors and servo motors are capable of higher precision positioning than other common motors (such as DC brush motors). In particular, 5 phase stepper motors are generally extremely expensive compared to 2-phase stepping motors. 5 phase stepper motors are chosen because 2-phase stepping motors allow a smaller motor rotation angle per step (the smallest unit of rotation instruction to a motor). The following characteristics are required
When you want to rotate the motor at a very small angle.
When you want to lower the noise level.
*Including some distributors, etc.
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