High-throughput Dry and Minimum Quantity Lubrication Drilling of Compacted Graphite Iron

Ali T. Kuzu, Wenwu Wu, David A. Stephenson, Mustafa Bakkal, Jun Hong, Albert J. Shih*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)87-90
Number of pages4
JournalProcedia CIRP
Publication statusPublished - 2016
Event7th CIRP Conference on High Performance Cutting, HPC 2016 - Chemnitz, Germany
Duration: 31 May 20162 Jun 2016

Bibliographical note

Publisher Copyright:
© 2016 The Authors.


We thank the support from National Science Foundation, Ford Motor Company, UNIST, Kennametal, Scientific and Technical Research Council of Turkey (2214A-Abroad research support), and China Scholarship Council.

FundersFunder number
National Science Foundation
Ford Motor Company
Ulsan National Institute of Science and Technology
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu
China Scholarship Council


    • Chip
    • Drilling
    • Productivity
    • Wear


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