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Robotics Industry News

SMAC Announces Release of High Torque Brushless Motors

SMAC Moving Coil Actuators, Inc.

CARLSBAD, CALIFORNIA - SMAC announced the general release of its HT (High Torque) brushless DC motors. The HT basic design is aimed expressly at special OEM applications.

These motors represent a technical Leap over existing DC brushless motor technology:

  • Flux density over 10,000 Gauss - achieved by using Halbach magnet designs (like those used in Particle Accelerators)
  • SMAC’s patent pending PRINTED COIL technology - uses circuit board manufacturing methods to make coils with the following advantages;
  • Very low cost tool up
  • Very quiet because of the near perfect coil layer location
  • Nearly zero variance in resistance
  • Allows the combination of coil/encoder reader head/ controller amplifier all in the same circuit board. (Eliminates wires, soldering, etc.)

The HT motors are available in a 35mm motor (torque as great as 500 mNm) and a 55mm motor (torque as great as 1.0 Nm) sizes as standard with a 7.5mm motor (torque as great as 25 mNm) coming soon. Torques are 2X that of conventional designs.  SMAC also is making special motors for OEM proprietary application - like the HT 100 designed to integrate into a specific customer’s filler line.

SMAC HT motors have much higher torques than the current market leaders and are priced very competitively. Design possibilities exist to reduce motor foot print / weight / and even sometimes eliminate a gear.

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