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Brushed DC Motors

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Brushed DC motors from EMS

DC motors can be divided into two categories: brushed and brushless DC motors. Brushed DC motors operate based on the mechanical linkage between their commutator and brushes. Brushless DC motors, however, do not have a commutator and brushes. Instead, they are electronically controlled with a drive circuit. There are several advantages to using a brushed DC motor:

Simple control over a wide speed range
A high starting torque
Torque and motor speed can be controlled by voltage

EMS stocks a variety of high torque DC motors, including brushed DC motors, from several leading manufacturers.

Faulhaber DC Motor Group

FAULHABER DC motors

EMS is the sole UK and Ireland supplier of FAULHABER motors. The key difference between FAULHABER DC micromotors and conventional brushed DC motors is in the rotor. The special winding used in the System FAULHABER technology does not have an iron core, but instead consists of a self-supporting skew-wound copper coil. The feather weight rotor has an extremely low moment of inertia and rotates without cogging. This results in outstanding dynamics across the entire range.

For low power motors, it’s best to select commutation systems using precious metal brushes because of their extremely low contact resistance. However, copper graphite brushes are recommended for higher power motors to ensure long life even under extreme load conditions.

The FAULHABER ranges of System Faulhaber DC motors, gearheads, encoders, brakes and brushless DC motors offer over a million possible combinations, one of the widest choices on the market. Sizes start from the incredibly small 3mm diameter motor and planetary gearhead, up to 44mm and 200+ Watts (W). This makes them suitable for applications such as medical devices, aerospace, control and instrumentation.

Visit the FAULHABER product selector for brushed DC motors.

Learn more about FAULHABER motors stocked by EMS here.

Bühler Motor bMotion

Bühler brushed DC motors

EMS is the official UK distributor of Bühler’s range of industrial brushed DC motors. Bühler DC motors can cover power requirements up to 200W, with applications ranging from building automation to transportation.

Bühler’s offer includes the innovative bMotion modular drive platform of DC motors, gear boxes, brakes and encoders. These drive solutions are modular and simple to combine, allowing for easy purchasing and installation of Bühler products.

Within this range is the DC Motor 63x95 201, which has a rated torque of 18 Newton-Centimetres (Ncm) and a rated speed of 3300 revolutions per minute (rpm).

Visit the Bühler website for more details on its brushed DC motors.

Discover the industrial range of Bühler motors supplied by EMS, here.

KAG DC Motor exploded

Kaehlig Antriebstechnik GmbH (KAG) brushed DC motors

KAG produces DC drives ranging from 2.5 to 250W power. The company develops small DC motors for a wide range of applications including medical technology, domestic services engineering, fluid mechanics, the automotive industry, office communications, automatic machines and agricultural machinery.

KAG motors are designed to give up to 3,000 hours life at nominal rating. To meet higher torque applications, there is a comprehensive range of spur and planetary gearheads available. Options include tachogenerators and optical encoders to give feedback for speed and positional control.

Visit the KAG website to discover its range of drive solutions.

Learn more about KAG products from EMS here.

Nidec Motors & Actuators group

Nidec Motors & Actuators

EMS is the exclusive distributor of industrial products for Nidec Motor & Actuators in the UK and Ireland. The Nidec range includes DC brushed motors and DC motors with spur gearheads and worm gearheads.

Available primarily in 12 and 24 volts DC, the products are suited for use in healthcare products such as patient hoists, bath lifters and pillow raisers. They’re also ideal for other applications including automated garage door openers, food processing, labelling and conveying systems and many applications where low voltage motors and geared motors are needed.

Visit the Nidec website to discover its suite of motor and actuators.

Learn more about Nidec Motor Actuator products from EMS here.

Selecting your small DC motor

EMS supplies a full suite of DC motor products, including brushed and brushless DC motors, stepper motors, linear DC servomotors, precision gearheads and encoders, from some of the world’s leading drive system manufacturers.

For more information on the motor products we offer our customers, click here.