Proposal of a Magnetic Lead Screw Actuator without Helical Permanent Magnets

Gendai MATSUOKA; Masahiko SAKAI; Yoshihiro NAKATA; Noboru NIGUCHI; Hiroshi ISHIGURO; Katsuhiro HIRATA

doi:10.14243/jsaem.25.224

Journal of the Japan Society of Applied Electromagnetics and Mechanics

Online ISSN : 2187-9257
Print ISSN : 0919-4452
ISSN-L : 0919-4452

Special Issue on The 25^th MAGDA Conference in Kiryu (MAGDA2016)

Proposal of a Magnetic Lead Screw Actuator without Helical Permanent Magnets

Gendai MATSUOKA, Masahiko SAKAI, Yoshihiro NAKATA, Noboru NIGUCHI, Hiroshi ISHIGURO, Katsuhiro HIRATA

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Keywords: Magnetic lead screw, actuator, robot, 3-D FEM

JOURNAL FREE ACCESS

2017 Volume 25 Issue 2 Pages 224-229

DOI https://doi.org/10.14243/jsaem.25.224

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Abstract

This paper presents a novel magnetic lead screw actuator without helical permanent magnets. Magnetic lead screw actuator is high efficiency due to its non-contact transmission. It is expected to be applicable to interactive robots with human because of its compliance to external forces. The proposed actuator has simple structure comparing to the conventional magnetic screws. The result of the force calculation and structure optimization employing 3-D finite element method is reported.

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