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Servo Motors

A servo motor is a type of electric motor that can rotate an output shaft at precise angular speeds in response to pulses of input signal. It consists of an electric motor, a feedback device, and a controller. They are able to accommodate complex motion patterns and profiles better than any other type of motor. Although they are small in size they can pack a lot of power, and are quite energy efficient. Servo motors for sale online have many benefits that make them an attractive choice for a lot of different industries. They are precise and accurate, which makes them suitable for tasks where accuracy is important. Servo motors also have high torque, which is fit for applications that require heavy lifting or pulling.

Stepper motors vs servo motors
Stepping Motors and servo motors are almost same usage for positioning but are entirely different systems, each with its pros and cons.

Stepper motors, due to their high pole count, offer precision drive control for motion control applications. They have a high torque at low speeds, and they’re also relatively inexpensive and widely available. Stepper motors have limitations though. At high-speeds, they lose nearly all of their torque, sometimes up to 80%. They produce high vibrations levels and are prone to resonance issues. Stepper motors also produce high amounts of heat, which can be an issue in certain applications.

The main benefit of servo motors is they provide high levels of torque at high speed – something stepper motors can’t do. They also operate at 80 – 90% efficiency. Servo motors can work in AC or DC drive, and do not suffer from vibration or resonance issues. Servo motors have many advantages, but a major drawback is that they are more expensive than stepper motors.

The way in which the servo motor works offers a great deal of flexibility, precision and reliability with high cost efficiency. It can actuate and hold positions, torque and speeds precisely and in fractions of a second. This enables complex machine actions, which can also implement difficult production processes and are therefore particularly suitable for robotics and automation solutions.

If an application requires complete standstill stability, a stepper motor is the better choice. Servo motors, however, pulsate back and forth on standstill. Servo’s are the better choice in vertical applications in which the motor must hold a load still and for smooth operations while applications such as vision system positioning are better suited for a stepper motor.

Applications of Servo Motor
The servo motor is a small and effective motor and it can be used in some serious applications like precise position control.The controlling of this motor can be done with a PWM (pulse width modulator) signal. The applications of these motors mainly include in industrial robotics, computers, toys, CD/DVD players, etc. These motors are widely used in some applications where a specific task is to be done regularly in an exact manner.

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