Exactly what is a Servo Motor?
A servo motor is a rotary actuator that is designed for exact precision control. It consists of an electric motor, a feedback device, and a controller. They could accommodate complex movement patterns and profiles much better than any additional type of motor. Although they are small in size they can pack a whole lot of power, and so are extremely energy efficient.
There are two types of servo motors, AC servos and DC servos. The primary difference between the two motors is definitely their way to obtain power. AC servo motors depend on an electric wall plug, instead of Stainless Steel Chain batteries like DC servo motors. While DC servo electric motor performance is dependent only on voltage, AC servo motors are dependent on both frequency and voltage. Due to the complexity of the energy supply, AC servo motors can handle high surges, which explains why they are often found in industrial machinery.
Why Choose an AC Servo Motor?
There are several benefits to choosing AC servo motors over DC servo motors. They provide more torque per weight, performance, reliability and decreased radio frequency sound. And in the lack of a commutator, they require less maintenance and also have a longer life span. AC servo motors are used in a wide variety of applications where position control is crucial and are commonly used in robotics, semiconductor equipment, machine tools, and aircrafts.
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