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http://dx.doi.org/10.14775/ksmpe.2017.16.4.083

Study on Tool Wear and Cutting Forces by Tool Properties in CFRP Drilling  

Park, Dong Sub (Department of Mechanical Engineering, Graduate School, Kyungpook National University)
Jeong, Yeong Hun (School of Mechanical Engineering, Kyungpook National University)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.16, no.4, 2017 , pp. 83-88 More about this Journal
Abstract
Recently, the use of advanced materials with light weight significantly increases because of global regulation on CO2 emission. Especially, CFRP (carbon fiber reinforced plastics) one of the most promising advanced materials. Since CFRP has pretty higher strength per unit weight than steel, it is one of most popular materials in aviation industry and its application to automobile rises sharply. Especially, one of the frequent machining processes for CFRP is drilling to make a hole, however, CFRP drilling has troublesome limitations in hole quality and productivity induced due to delamination, splintering and severe tool wear. Particularly, cutting loads increase caused by tool wear makes delamination and splintering even severer. Therefore, tool wear monitoring or reduction in CFRP drilling must be considered seriously. In this study, we measured thrust force, flank wear, and tool surface temperature in drilling using various tools with different sizes and materials. Consequently, it was presented the effects of tool properties on drilled hole quality, thrust force and tool surface temperature.
Keywords
Carbon Fiber Reinforced Plastics(CFRP); Thrust Force; Tool wear;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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