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  2. Spindle (tool) - Wikipedia

    en.wikipedia.org/wiki/Spindle_(tool)

    A main component of this spindle is the motor, stored internally. Internal Motor: limited power and torque due to restricted space within the spindle housing; Speed Range: 20,000 [3]-60,000 RPM [2] (top speed according to design) Advantage: high top speed expands application use; Disadvantage: sensitive life range according to use

  3. Brushless DC electric motor - Wikipedia

    en.wikipedia.org/wiki/Brushless_DC_electric_motor

    Brushless motors are commonly used as pump, fan and spindle drives in adjustable or variable speed applications as they are capable of developing high torque with good speed response. In addition, they can be easily automated for remote control. Due to their construction, they have good thermal characteristics and high energy efficiency. [20]

  4. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    The spindle speed is the rotational frequency of the spindle of the machine, measured in revolutions per minute (RPM). The preferred speed is determined by working backward from the desired surface speed (sfm or m/min) and incorporating the diameter (of workpiece or cutter).

  5. Brushed DC electric motor - Wikipedia

    en.wikipedia.org/wiki/Brushed_DC_electric_motor

    Brushed DC motors can be varied in speed by changing the operating voltage or the strength of the magnetic field. Depending on the connections of the field to the power supply, the speed and torque characteristics of a brushed motor can be altered to provide steady speed or speed inversely proportional to the mechanical load.

  6. Makino - Wikipedia

    en.wikipedia.org/wiki/Makino

    In 1984, Makino introduced the first commercial high-speed spindle for milling. [6] In 1990, Makino introduced Geometric Intelligence, the first servo-control software tailored to high-speed machining, [6] and Flush Fine machining, a method for cutting hardened materials.

  7. Switched reluctance motor - Wikipedia

    en.wikipedia.org/wiki/Switched_reluctance_motor

    The switched reluctance motor (SRM) is a type of reluctance motor. Unlike brushed DC motors , power is delivered to windings in the stator (case) rather than the rotor . This simplifies mechanical design because power does not have to be delivered to the moving rotor, which eliminates the need for a commutator .

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