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- Publisher
- Inderscience Publishers
- Copyright
- Copyright © Inderscience Enterprises Ltd
- ISSN
- 1750-0591
- eISSN
- 1750-0605
- DOI
- 10.1504/ijmr.2022.121602
- Publisher site
- See Article on Publisher Site
Abstract
This work exploits the characteristically complex geometry along the lip of a chisel drill. Few dry drilling experiments are conducted on aluminium 6061-T6 workpieces pre-cored with holes of diameters ranging from 25% to 75% of the drill diameter. Based on the generated torque and thrust force drilling profiles, incremental tangential, Ktc, and normal, Knc, cutting pressures values are assigned to the radial position of each cutting lip element. The resulting pressures amounted to a large number (192) of equivalent oblique turning tests with each edge possessing individual cutting parameters of uncut chip thickness, cutting speed, normal rake angle, and oblique cutting angle. Statistical analyses were performed on collected data. Sensitivity of the found cutting pressures with respect to cutting parameters is validated against literature-reported findings based mainly on turning tests. The findings support this work's approach of employing drilling as a data collection tool in lieu of orthogonal cutting experiments. [Submitted 23 January 2020; Accepted 10 July 2020]
Journal
International Journal of Manufacturing Research – Inderscience Publishers
Published: Jan 1, 2022