A Coreless DC motor from MICROMO differs from conventional, iron rotor DC motors in that they are equipped with an ironless, self-supporting, skew-wound copper coil. Because of this construction, the rotor is very light yielding a low moment of inertia. The rotor also rotates smoothly without cogging.
How to Select a DC Motor: Brushless DC Motors
If an application requires high speed, quiet operation, low EMI and longevity, then brushless DC motors (BLDC) might be what you are looking for. There are many advantages to brushless motor technology and speed is one of them. Higher speeds are achievable because there are no mechanical limitations being imposed by the brushes and commutator. Another advantage is the elimination of the current arcing electro-erosion problem commonly experienced with brushed motors.
How to Select A DC Motor: Coreless and Iron Core Brushed DC Motors
DC motors possess linear relationships that allow for very predictable operation. Motion control manufacturers and designers depend greatly on the premise that these linear relationships will hold true, since the laws of physics do not change. However despite their simplicity, selecting a DC motor for an application can still be a daunting task. There are many other variables to take into account including dimensions, load, duty cycle, etc. Heres a quick guide to getting started.
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