摘要
This research investigates the high-throughput drilling of the compacted graphite iron (CGI), a high strength, lightweight material for automotive powertrain applications, at 26.5 mm/s feed rate using 4 mm diameter coated carbide drill. The CGI drilling experiments show that maximum 1740, 3150 and 2948 holes were drilled in two repeated tests under the dry, dry with through-the-drill compressed air, and minimum quantity lubrication (MQL) conditions. The Joule-Thomson cooling effect due to expansion of high pressure air from holes at the drill tip and mechanical effect of chip formation and evacuation are studied. Results demonstrate that high-throughput sustainable dry drilling of CGI is technically feasible.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 87-90 |
| 页数 | 4 |
| 期刊 | Procedia CIRP |
| 卷 | 46 |
| DOI | |
| 出版状态 | 已出版 - 2016 |
| 活动 | 7th CIRP Conference on High Performance Cutting, HPC 2016 - Chemnitz, 德国 期限: 31 5月 2016 → 2 6月 2016 |
学术指纹
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