Design of a variable reluctance asymmetric stepping millimotor

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This paper reports on the design, simulation, and preliminary testing of a three phase variable reluctance stepping motor. This motor is pancake-shaped with an overall outside diameter of 8 mm and a height of 3 mm. The outside diameter of the rotor is 4.7 mm. The rotor and stators occupy 2 mm of the height with the remaining 1 mm reserved for a 6:1 planetary gear reductor. The rotor and stators were constructed of Hyperco 50 using conventional miniature machining. The reductor was assembled using copper and PMMA (polymethylmethacrylate) components that were constructed using the LIGA (Lithographic Galvanoformung Abformung) microfabrication ... continued below

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5 p.

Creation Information

GARCIA,ERNEST J.; GREENWOOD,WILLIAM H. & OLIVER,ANDREW D. June 1, 2000.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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Description

This paper reports on the design, simulation, and preliminary testing of a three phase variable reluctance stepping motor. This motor is pancake-shaped with an overall outside diameter of 8 mm and a height of 3 mm. The outside diameter of the rotor is 4.7 mm. The rotor and stators occupy 2 mm of the height with the remaining 1 mm reserved for a 6:1 planetary gear reductor. The rotor and stators were constructed of Hyperco 50 using conventional miniature machining. The reductor was assembled using copper and PMMA (polymethylmethacrylate) components that were constructed using the LIGA (Lithographic Galvanoformung Abformung) microfabrication process. The maximum measured stall torque of the motor without the reductor is 0.47mNm at 4W and the maximum speed is 2,400 rpm.

Physical Description

5 p.

Notes

OSTI as DE00756416

Medium: P; Size: 5 pages

Source

  • 7th Mechatronics Forum International Conference, Atlanta, GA (US), 09/06/2000--09/08/2000

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  • Report No.: SAND2000-1404C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 756416
  • Archival Resource Key: ark:/67531/metadc708903

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

Description Last Updated

  • April 11, 2017, 12:17 p.m.

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GARCIA,ERNEST J.; GREENWOOD,WILLIAM H. & OLIVER,ANDREW D. Design of a variable reluctance asymmetric stepping millimotor, article, June 1, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc708903/: accessed April 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.