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The most common types of electric motors

Posted on by Matt Passannante

Electric motors are increasingly used in a wider range of applications. Today, you can find a use for an electric motor in just about every industrial setting. Given the diversity of the electric motor class, there are more options among electric motors than ever before to power systems and equipment. For operators, it’s especially important to select the right motor that is designed to match the system’s purpose and align with its performance goals.

If you want to know more about the types of electric motors available and which one is right for your systems operations, Kurz Industrial has all the details.

AC Brushless Motors

Alternating current (AC) brushless motors are some of the most commonly used electric motors in motion control applications. They are designed to operate using permanent electromagnets. AC brushless motors are designed to use a rotating magnetic field that is generated in the stator to simultaneously turn the rotor and stator at the same rate.

DC Motors

Direct current (DC) motors come in two types, which are brushed and brushless. Brushed motors have a current flow that is determined by the stator’s brush orientation. Depending on the model, rotor bar segments may ultimately determine the current’s flow instead. Brushless motors are another type of DC motor. They are designed for performance and efficiency. Brushless motors are used in smaller spaces than brushed motors. They are also smaller than most AC motors. Brushless motors are generally operated with an embedded controller, and they do not have a commutator or a slip ring.

Direct Drive

Direct drive electric motors are efficient motors that are designed for longevity. They are preferred in applications where speed is critical, as they can accelerate more rapidly than other types of motors. Direct drive motors are also easy to maintain.

Linear Motors

Linear motors are another type of electric motor. They are characterized by an efficient design that includes a motor and unrolled stator, which generates linear force as a result. They have two ends and a flat active compartment. Linear motors are typically more accurate and faster than rotary-style electric motors.

Servo Motors

Servo motors are commonly used in robotic applications. Servo motors are any kind of electric motor that has a feedback sensor for accurate positioning. Servo motors can have either linear actuators or rotary actuators. They are popular for their ease of use in robotics equipment and their lower cost in comparison to other types of motors.

Stepper Motors

Stepper motors are another category of electric motors. Stepper motors have an internal rotor that is controlled by external magnets. The rotor in a Stepper motor can be made of either metal or permanent magnets. Stepper motors move from one point to the next in fixed increments. They move using energized windings that cause the teeth on the rotor to line up with the magnetic field.

Before you purchase an electric motor for your application, it’s important to find the right one for the job. Kurz Industrial can assist by providing more details about electric motors and their ideal applications.

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