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Permanent magnet direct current (dc) motors convert electrical energy into mechanical energy through the interaction of two magnetic fields. One field is produced by a permanent magnet assembly; the ...

A fundamental understanding of the speed-torque curve it the key to specifying a dc motor that will do everything it needs to do. Much has been written about the process of selecting motors for ...

Inexpensive and easy to operate, brush DC motors provide the ideal balance of performance at the right price in industries such as automotive, aerospace, medical, industrial, appliance, consumer, and ...

The LO-COG Series 8690 of 26-mm brush-commutated DC motors are available in 1.798'', 1.923'' and 2.173'' lengths and provide continuous torque output up to 3.17 oz.-in., peak torque up to 20 oz.-in., ...

The TG3300 series slotless, brush PM motor employs a unique armature coil assembly that eliminates the iron core found in conventional motors. This design is said to eliminate cogging torque and ...

With the increasing use of variable-frequency drives (VFDs), there is increased generation of electrical currents on shaft motors, causing electrical damage to bearings. Manufacturers and end users ...