High Speed Electric Motors
Torque Graphic

Definition
Speed of a electric motor is the magnitude of the rotational velocity of the electric motor shaft. In a motion application, acceleration of the motor dictates how fast the axis rotates – the amount of finish revolutions per unit period. Applications vary in their speed requirement, based on what is being relocated and the coordination with the various other components of the machine. A balance must be achieved between speed and torque, as motors typically generate less torque when operate at higher speeds.

Solution Overview
We address quickness requirements during our design process by creating an ideal coil (referred to as windings) and magnet configurations. In a few designs, the coil rotates based on motor structure. Creating a motor design that eliminates the iron becoming combined with coil results in higher speeds. The inertia of the high speed motors is reduced dramatically, increasing the acceleration (responsiveness) as well. In some styles the magnet rotates with the shaft. Because the magnet may be the contributing element for the electric motor inertia, creating a different design from a standard cylindrical magnet is required. Reducing the inertia drives higher rate along with acceleration.

Ever-power Technology
Ever-power offers designed high velocity motors for our brushless DC and brush DC technology, with self-helping high-density rotor coils. The ironless Drive Chain nature of brush DC coils permits both high acceleration and higher speeds, especially compared to brush DC motors with an iron-core design. Portescap offers a unique series of stage motors, the disc magnet series, which have a slim disc magnet instead of a cylindrical magnet. By lowering the inertia of the motors, we can achieve boosts to 10,000 rpm with a step motor, unparalleled in the industry. Contact us today to observe how we will help you find the right high quickness motors for your motion-critical applications.

Ever-power high speed motors are ideal for the following applications:
Respiratory and ventilation devices
Laboratory automation
Miniature pumps
Power hand tools
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