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Paper Abstract and Keywords
Presentation 2025-02-28 10:50
Relationship between molybdenum disulfide content and brush wear characteristics in the sliding of copper slip rings and silver-graphite brushes
Masaki Saito, Atsuto Matsuda, Yuta Kikuchi, Makoto Takanezawa, Takahiro Ueno (NIT) EMD2024-32
Abstract (in Japanese) (See Japanese page) 
(in English) An electric sliding contact mechanism is a mechanism that conducts electric current from a stationary object to a moving object (rotating object) using brushes and slip rings. It is considered essential for the transfer of electric power from a brush, which is a stationary object, to a slip ring, which is a moving object. In this study, the contact voltage drop, brush wear, and friction coefficient were measured using silver graphite brushes synthesized with molybdenum disulfide, a solid lubricant, in order to clarify the sliding current-carrying characteristics. The experimental results are as follows. The contact voltage drop increased as the molybdenum disulfide content increased. As for the brush wear and friction coefficient, the friction coefficient became smaller and the brush wear decreased as the molybdenum disulfide content increased for the silver content of 70wt% and 90wt%. However, for the silver content of 50wt%, as the molybdenum disulfide content increased, the friction coefficient increased and the amount of brush wear increased.
Keyword (in Japanese) (See Japanese page) 
(in English) copper slip rings / silver-graphite brushes / molybdenum disulfide / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 385, EMD2024-32, pp. 6-9, Feb. 2025.
Paper # EMD2024-32 
Date of Issue 2025-02-21 (EMD) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMD  
Conference Date 2025-02-28 - 2025-02-28 
Place (in Japanese) (See Japanese page) 
Place (in English) NIT 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Short NOTE 
Paper Information
Registration To EMD 
Conference Code 2025-02-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relationship between molybdenum disulfide content and brush wear characteristics in the sliding of copper slip rings and silver-graphite brushes 
Sub Title (in English)  
Keyword(1) copper slip rings  
Keyword(2) silver-graphite brushes  
Keyword(3) molybdenum disulfide  
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1st Author's Name Masaki Saito  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Atsuto Matsuda  
2nd Author's Affiliation Nippon Institute of Technology (NIT)
3rd Author's Name Yuta Kikuchi  
3rd Author's Affiliation Nippon Institute of Technology (NIT)
4th Author's Name Makoto Takanezawa  
4th Author's Affiliation Nippon Institute of Technology (NIT)
5th Author's Name Takahiro Ueno  
5th Author's Affiliation Nippon Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2025-02-28 10:50:00 
Presentation Time 15 minutes 
Registration for EMD 
Paper # EMD2024-32 
Volume (vol) vol.124 
Number (no) no.385 
Page pp.6-9 
#Pages 4 
Date of Issue 2025-02-21 (EMD) 

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