An Experimental Investigation of Tool Wear When Conventionally Drilling CFRP

John McClelland, Adrian Murphy, Yan Jin

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Drilling holes for mechanical fastening of components is a critical manufacturing process in the aerospace industry. High rates of tool wear are detrimental to the quality of the drilled hole and hence the manufacturing process as a whole. Therefore, this paper presents an experimental investigation of tool wear when conventionally drilling carbon fibre reinforced polymers. The methods and processes used to manufacture test coupons, design novel apparatus and acquire results are discussed. Data was recorded on a force dynamometer, thermal imaging camera and optical microscope. The severity and shape of tool wear was found to be interlinked with the geometry of the tool, magnitude of thrust force and the temperature of the tool cutting tip.
Original languageEnglish
Title of host publicationAdvances in Manufacturing Technology XXXIII
EditorsYan Jin, Mark Price
PublisherIOS Press
Pages253 - 258
Number of pages6
ISBN (Electronic)978-1-64368-009-5
ISBN (Print)978-1-64368-008-8
Publication statusPublished - Sept 2019
Event17th International Conference on Manufacturing Research - Queen's University Belfast, Belfast, United Kingdom
Duration: 10 Sept 201912 Sept 2019
Conference number: 17


Conference17th International Conference on Manufacturing Research
Abbreviated titleICMR 2019
Country/TerritoryUnited Kingdom
Internet address


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