For this reason, AC servo motors work well with systems that require a range of control, including rotational speed and torque, while stepper motors are more suited for equipment with repeated short strokes or equipment that needs good responsiveness. Stepper motors have excellent responsiveness and synchronization, which makes them suitable for low-to-medium speed operations. Torque control is also possible over a wide rotational range, from low to high revolution ranges.Īnother kind of motor with functionality similar to servo motors is stepper motors. AC servo motors do not have wear components like brushes, and can withstand long-term continuous use. As DC servo motors have durability and maintenance issues, AC servo motors have become the mainstream in recent years. Servo motors come in two types: AC and DC. Servo motors are used in a variety of factory automation equipment, including positioning devices and industrial robots. They have robust structures that endure continuous operation and frequent starts and stops.
While general motors rotate 360°, servo motors turn within a certain range at the desired angle.
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