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Lessons Learned in Fabrication of a High-Specific-Torque Concentric Magnetic Gear

Zachary Cameron, Thomas Tallerico, Justin Scheidler, NASA Glen Research Center

May 13, 2019

https://doi.org/10.4050/F-0075-2019-14682

Abstract:
Magnetic gearing is being investigated at NASA as a replacement to conventional mechanical gearing in aerospace applications. Some potential benefits of magnetic gears over mechanical gearing are torque transmission without mechanical contact, decreased transmission noise, and no required lubrication. However, in order to be a viable alternative for aerospace applications, magnetic gearing must be shown to provide high enough specific torque (torque per unit mass). NASA's second magnetic gearing prototype (PT-2) was able to achieve promising specific torque on par with low torque mechanical gearboxes. This work will briefly review the electromagnetic and structural design of PT-2, provide detailed information on fabrication and assembly, examine build errors, walk through rebuild efforts to improve operation, and conclude with remarks on build difficulties and opportunities for improvement in future prototypes.


Lessons Learned in Fabrication of a High-Specific-Torque Concentric Magnetic Gear

  • Presented at Forum 75 - Best Paper for this session
  • 11 pages
  • SKU # : F-0075-2019-14682
  • Propulsion

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Lessons Learned in Fabrication of a High-Specific-Torque Concentric Magnetic Gear

Authors / Details:
Zachary Cameron, Thomas Tallerico, Justin Scheidler, NASA Glen Research Center