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  • What is a Torque Motor?
    greater efficiency and power, especially at low rpm. Meanwhile minimizing maintenance requirements.
  • How to Select a Low Noise Fan
    Horsepower (Not motor horsepower). The formula is given here to demonstrate the fact that the tip speed of the blades is by far the strongest indicator of the noise a fan will produce. To select a low noise fan, therefore, it is most effective to reduce the tip speed by lowering the RPM which can be done
  • DC Motors: Principle of Operation
    voltage variations. Stepper Motor Basics. The PM or "tin can" stepper motor is a low cost solution for your positioning applications with typical step angles of 7.5° - 15°. Smaller step angles can be obtained trough Microstepping. The shaft of the motor moves in distinct step increments when electrical
  • Slotless vs Slotted Brushless DC Motor Designs
    Due to their mechanical commutation, brushed DC have limited operational lifetime and are confined to low speeds typically less than 12K rpm.
  • Sensorless BLDC Control with Back-EMF Filtering
    the motor windings based on the filtered back-EMF signals. This control technique precludes the need for discrete, low-pass filtering hardware and off-chip comparators. BLDC motors are used in a variety of applications. The algorithm described in this application note targets BLDC motors
  • Feature Article - New Developments in High-Speed Machining Technology - 03/03
    a variety of tools and have sufficient torque in the low ranges for drilling and tapping operations. Spindles here are generally in the 16,000 to 24,000 rpm range. New synchronous spindles that generate high torque at low speeds offer good potential for the future. For high-speed positioning
  • IR Survey Pinpoints Air-Curtains Heat Distribution Problems and Slashes $34,000 from New Jersey Bulk Mail Center Utility Bill
    of retrofitting remaining fifty single speed aircurtains motors with VFD units. Utilizing FLIR 695 IR camera and Raytek temperature gun we found out that the existing single speed (1200 rpm ) air-curtains installed previously were unable to distribute adequate heat for our employees. In-fact, most our

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