| Presentation | 2014-12-19 Effect of Lubricant on Sliding Conditions in Au-plated Slip-ring System for Small Electric Power Supply K. Sawa, Y. Takemasa, Y. Watanabe, T. Ueno, M. Yamanoi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Through the past tests, it can be made clear that lubricant is very important for long lifetime, because it can not only make ring wear decrease, but also protect the ring from oxidation. In this paper deterioration process of ring and brush is examined in details, and the followings can be obtained. Usually contact voltage drops have fluctuation. The fluctuation is found to be two types; one is a component which is dependent on rotation speed and the other comes from surface deterioration, such as oxidation. The details are investigated by using Fourier analysis of contact voltage waveforms. Generally, during the test the contact resistance of a ring increases suddenly and the ring reaches end of life, mainly because the lubricant disappears from the contact surface. In this test a temporary decrease of the contact resistance is observed just before the sudden increase of resistance. Further, a supply of lubricant to the ring which became high in resistance, is found to be useful to decrease its resistance. In addition Fourier transform is carried out on the contact voltage waveforms. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | slip ring / Au plating / Ag-Pd brush / lubricant / contact voltage drop / lifetime / Fourier transform |
| Paper # | EMD2014-99 |
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| Conference Information | |
| Committee | EMD |
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| Conference Date | 2014/12/12(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Chair | |
| Vice Chair | |
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| Assistant | |
| Paper Information | |
| Registration To | Electromechanical Devices (EMD) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effect of Lubricant on Sliding Conditions in Au-plated Slip-ring System for Small Electric Power Supply |
| Sub Title (in English) | |
| Keyword(1) | slip ring |
| Keyword(2) | Au plating |
| Keyword(3) | Ag-Pd brush |
| Keyword(4) | lubricant |
| Keyword(5) | contact voltage drop |
| Keyword(6) | lifetime |
| Keyword(7) | Fourier transform |
| 1st Author's Name | K. Sawa |
| 1st Author's Affiliation | Dept. of E. & E. Engineering, Nippon Institute of Technology() |
| 2nd Author's Name | Y. Takemasa |
| 2nd Author's Affiliation | Dept. of E. & E. Engineering, Nippon Institute of Technology |
| 3rd Author's Name | Y. Watanabe |
| 3rd Author's Affiliation | Dept. of E. & E. Engineering, Nippon Institute of Technology |
| 4th Author's Name | T. Ueno |
| 4th Author's Affiliation | Dept. of E. & E. Engineering, Nippon Institute of Technology |
| 5th Author's Name | M. Yamanoi |
| 5th Author's Affiliation | NIDEC SERVO |
| Date | 2014-12-19 |
| Paper # | EMD2014-99 |
| Volume (vol) | vol.114 |
| Number (no) | 382 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |