Abstract
In this work, experimental study was carried out to compare the machining performances of the three types of drills: (1) solid carbide drill, (2) diamond core drill, and (3) brad point bit for drilling CFRP. Comparative study of the performance of the tools was carried out in terms of delamination at hole entry and exit side. Experiment was conducted based on Taguchi’s orthogonal array technique. From the analysis of results, it is found that the performance of diamond core drill was better and resulted in lesser damages of holes. The lowest value for the delamination factor at entrance (1.093) and exit (1.101) was obtained at a spindle speed of 500 rpm, feed rate of 3 mm/min with the thrust force of 78 N. The use of diamond core drill is recommended for drilling CFRP in terms of economy and drilled hole quality.
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References
Melentiev, R., Priarone, P.C., Robiglio, M., Settineri, L.: Effects of tool geometry and process parameters on delamination in CFRP drilling: an overview. In: 3rd CIRP Conference on Surface Integrity (CIRP CSI), pp. 31–34. North Carolina, USA (2016)
Das, G., Das, P.: Cutting forces in drilling operation: measurement and modeling for medium-scale manufacturing firms. Int. J. Comput. Appl. 121(8), 12–17 (2015). https://doi.org/10.5120/21559-4592
Tsao, C.C.: Thrust force and delamination of core-saw drill during drilling of carbon fiber reinforced plastics (CFRP). Int. J. Adv. Manuf. Technol. 37, 23–28. https://doi.org/10.1007/s00170-007-0963-6 (2008)
Pinho, L.V., Carou, D., Davim, J.P.: Comparative study of the performance of diamond-coated drills on the delamination in drilling of carbon fiber feinforced plastics: assessing the influence of the temperature of the drill. J. Compos. Mater. 50(2), 179–189. https://doi.org/10.1177/0021998315571973 (2016)
Tsao, C.C.: Experimental study of drilling composite materials with step-core drill. J. Mater. Des. 29, 1740–1744. https://doi.org/10.1016/j.matdes.2008.03.022 (2008)
Priarone, P.C., Robiglio, M., Melentiev, R., Settineri, L.: Diamond drilling of carbon fiber reinforced polymers: influence of tool grit size and process parameters on workpiece delamination. In: 1st CIRP Conference on Composite Materials Parts Manufacturing, pp. 181–186. Karlsuhe, Germany (2017)
Konneh, M., Sudin, I., Abdullah Sidek, A.: Surface roughness in drilled carbon fiber reinforced polymer (CFRP) composite using diamond coated ball- nose drills. J. Adv. Mater. Res. 1115, 90–95. www.scientific.net/AMR.1115.90 (2015)
Robert, V., Henerichs, M., Kuster, F.: Comparison of conventional drilling and orbital drilling in machining carbon fiber reinforced plastics (CFRP). CIRP Ann. Manuf. Technol. 65, 137–140 (2016). https://doi.org/10.1016/j.cirp.2016.04.001
Robert, V.: Fundamentals of carbon fiber reinforced polymer (CFRP) machining. Ph.D. thesis, Eth Zurich (2017)
Eneyew, E.D., Ramulu, M.: Experimental study of surface quality and damage when drilling unidirectional CFRP composites. J. Mater. Res. Technol. 3(4), 354–362. https://doi.org/10.1016/j.jmrt.2014.10.003 (2014)
Koenig, W., Wulf, C., Grass, P., Willerscheid, H.: Machining of fiber reinforced plastics. Ann. CIRP Manuf. Technol. 34(2), 537–548 (1985). https://doi.org/10.1016/S0007-8506(07)60186-3
Krishnamoorthy, A., Rajendra Boopathy, S.: Delamination analysis in drilling of CFRP composites using response surface methodology. J. Compos. Mater. 43, 2885–2902. https://doi.org/10.1177/0021998309345309 (2009)
Babu, J., Sunny, T., Alex Paul, N., Mohan, K.P., Philip, J., Davim, J.P.: Assessment of delamination in composite materials: a review. J. Eng. Manuf. 230(11), 1990–2003. https://doi.org/10.1177/0954405415619343 (2016)
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Sowjanya, N.S., Ladeesh, V.G., Manu, R., Mathew, J. (2019). Comparative Study on the Performance of Different Drill Bits for Drilling CFRP. In: Shunmugam, M.S., Kanthababu, M. (eds) Advances in Forming, Machining and Automation. AIMTDR 2018. Lecture Notes on Multidisciplinary Industrial Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-32-9417-2_33
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DOI: https://doi.org/10.1007/978-981-32-9417-2_33
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