高性能微細ワイヤ放電加工実現のための Cu-Zr ワイヤ電極の開発
A thin wire electrode of copper–zirconium (Cu–Zr) with high conductivity was proposed to obtain high cutting speed in fine wire electrical discharge machining (EDM). The wire EDM characteristics using the bare Cu–Zr wire and zinc– or brass–coated ones were experimentally investigated. The results sh...
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| Published in | 電気加工学会誌 Vol. 54; no. 137; p. 155 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
一般社団法人 電気加工学会
2020
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0387-754X 1881-0888 |
| DOI | 10.2526/jseme.54.155 |
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| Abstract | A thin wire electrode of copper–zirconium (Cu–Zr) with high conductivity was proposed to obtain high cutting speed in fine wire electrical discharge machining (EDM). The wire EDM characteristics using the bare Cu–Zr wire and zinc– or brass–coated ones were experimentally investigated. The results showed that the cutting speed using the bare Cu–Zr wire was lower than that using the conventional–coated wires. However, the cutting speed could be significantly improved by coating a thin layer of brass or zinc around the Cu–Zr wire, and exceeded that using conventional wires, since the pulse frequency and peak discharge current increase with the brass or zinc coating. |
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| AbstractList | A thin wire electrode of copper–zirconium (Cu–Zr) with high conductivity was proposed to obtain high cutting speed in fine wire electrical discharge machining (EDM). The wire EDM characteristics using the bare Cu–Zr wire and zinc– or brass–coated ones were experimentally investigated. The results showed that the cutting speed using the bare Cu–Zr wire was lower than that using the conventional–coated wires. However, the cutting speed could be significantly improved by coating a thin layer of brass or zinc around the Cu–Zr wire, and exceeded that using conventional wires, since the pulse frequency and peak discharge current increase with the brass or zinc coating. |
| Author | 村松, 尚国 劉, 世賢 野村, 和弘 岡田, 晃 三好, 雅人 |
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| Copyright | 2020 一般社団法人 電気加工学会 |
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| References | 1) 片平敬子 : 最新の微細加工技術, 型技術, Vol.32, No.8 (2017) pp.14-15. 8) A. Okada, Y. Uno, and M. Nakazawa : Evaluations of spark distribution and wire vibration in wire EDM by high-speed observation, CIRP Annals, Vol.59 (2010) pp.231-234. 10) A. Okada, S. Ichii, and Y. Okamoto : Investigation of Wire Movement in Fine Wire EDM by High-speed Observation, International Journal of Electrical Machining, No.18 (2013) pp.43-48. 2) 東脇正明, 片田佳子 : 新型制御装置「D–CUBES」搭載新型ワイヤ放電加工機, 型技術, Vol.32, No.8 (2017) pp.20-21. 7) I. Cabanes, E. Portillo, M. Marcos, and J. Sanchez : An industrial application for on–line detection of instability and wire breakage in wire EDM, Journal of Materials Processing Technology, Vol.195, No.1-3 (2008) pp.101-109. 5) 村松尚国, 木村久道, 井上明久 : 最大で 2.2GPa の引張強度を持つ Cu-Zr 合金線の開発とそのミクロ組織, 日本金属学会誌, Vol.75, No.3 (2011) pp.159-165. 3) J. Wu, M. Zhou, X. Xu, J. Yang, Z. Zeng and D. Xu : Fast and stable electrical discharge machining (EDM), Mechanical Systems and Signal Processing, Vol.72-73 (2016) pp.420-431. 6) X. Yue, X. Yang and M. Kunieda : Influence of metal vapor jets from tool electrode on material removal of workpiece in EDM, Precision Engineering, Vol.53 (2018) pp.278-288. 4) I. Maher, A. A. D. Sarhan, and M. Hambi : Review of improvements in wire electrode properties for longer working time and utilization in wire EDM machining, International Journal of Advanced Manufacturing Technology, Vol.76 (2015) pp.329-351. 9) 早川伸哉, 国枝正典, 西脇信彦 : 放電加工における電極材料がエネレギー配分に及ぼす影響, 電気加工学会全 国大会講演論文集, (1996) pp.21-24. |
| References_xml | – reference: 10) A. Okada, S. Ichii, and Y. Okamoto : Investigation of Wire Movement in Fine Wire EDM by High-speed Observation, International Journal of Electrical Machining, No.18 (2013) pp.43-48. – reference: 4) I. Maher, A. A. D. Sarhan, and M. Hambi : Review of improvements in wire electrode properties for longer working time and utilization in wire EDM machining, International Journal of Advanced Manufacturing Technology, Vol.76 (2015) pp.329-351. – reference: 7) I. Cabanes, E. Portillo, M. Marcos, and J. Sanchez : An industrial application for on–line detection of instability and wire breakage in wire EDM, Journal of Materials Processing Technology, Vol.195, No.1-3 (2008) pp.101-109. – reference: 8) A. Okada, Y. Uno, and M. Nakazawa : Evaluations of spark distribution and wire vibration in wire EDM by high-speed observation, CIRP Annals, Vol.59 (2010) pp.231-234. – reference: 1) 片平敬子 : 最新の微細加工技術, 型技術, Vol.32, No.8 (2017) pp.14-15. – reference: 5) 村松尚国, 木村久道, 井上明久 : 最大で 2.2GPa の引張強度を持つ Cu-Zr 合金線の開発とそのミクロ組織, 日本金属学会誌, Vol.75, No.3 (2011) pp.159-165. – reference: 6) X. Yue, X. Yang and M. Kunieda : Influence of metal vapor jets from tool electrode on material removal of workpiece in EDM, Precision Engineering, Vol.53 (2018) pp.278-288. – reference: 2) 東脇正明, 片田佳子 : 新型制御装置「D–CUBES」搭載新型ワイヤ放電加工機, 型技術, Vol.32, No.8 (2017) pp.20-21. – reference: 9) 早川伸哉, 国枝正典, 西脇信彦 : 放電加工における電極材料がエネレギー配分に及ぼす影響, 電気加工学会全 国大会講演論文集, (1996) pp.21-24. – reference: 3) J. Wu, M. Zhou, X. Xu, J. Yang, Z. Zeng and D. Xu : Fast and stable electrical discharge machining (EDM), Mechanical Systems and Signal Processing, Vol.72-73 (2016) pp.420-431. |
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| SubjectTerms | Cutting speed Cu–Zr wire Wire EDM |
| Title | 高性能微細ワイヤ放電加工実現のための Cu-Zr ワイヤ電極の開発 |
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