Pancake / Disc Armature
Servo Motors

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Printed discand motors are often called "pancakes" or "pancake motors" and the name is just a catch all name for motors that have flat armature or rotor. Most are brushed DC but some AC pancakes do exist where the rotor is flattened. These motors are commonly used in situations where high torque and low speeds are necessary. For many pancakes, stator coils are present on both sides of the motor, though some lower torque pancakes may have stator coils on one side of the motor.

Printed discand motors are often called "pancakes" or "pancake motors" and the name is just a catch all name for motors that have flat armature or rotor. Most are brushed DC but some AC pancakes do exist where the rotor is flattened. These motors are commonly used in situations where high torque and low speeds are necessary. For many pancakes, stator coils are present on both sides of the motor, though some lower torque pancakes may have stator coils on one side of the motor.

Pancake / Disc Armature Servo Manufacturers

Several companies produce low-inertia disc armature motors. If your motor is not on the list below, contact us as our capabilities are always expanding!

PMI / Kollmorgen

Parvex

Infranor / Mavilor

 

Replacement Capabilities

 
 

Sometimes having an SEM DC servo motor repaired is not the best option.

Extensive motor damage or unacceptable lead times, may make replacement options a more intelligent and economical choice. Servo Repair International provides various replacement options for many SEM products. The older DC servo motors may be crossed over to newer products from SEM or other competing manufacturers. We can also provide our own direct replacement DC servo motors as replacements. Many times just a simple feedback device crossover may be needed to increase turnaround time and better performance.

 

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