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Experimental Investigation of drill tool types on delamination error in drilling of CFRP
Department of Mechanical engineering, Vignan Institute of Technology and Science, Deshmukhi, Hyderabad, Telangana State, India.
Research Article
International Journal of Science and Research Archive, 2023, 09(02), 061–067.
Article DOI: 10.30574/ijsra.2023.9.2.0512
Publication history:
Received on 18 May 2023; revised on 28 June 2023; accepted on 01 July 2023
Abstract:
Carbon Fiber Reinforced Polymer (CFRP) composite is preferred widely in the area of aerospace and automotive industries due to its light weight and high strength. Drilling of FRP composite and its related issues are an important one. The common issue with drilling of CFRP composite is delamination which is most important factor for estimation of delamination error. Selection of appropriate drill tool is one of the methods to control or minimize delamination error. In this work, an experimental investigation is carried out on minimization of delamination effect by selection of appropriate drill tool and process parameters level. Various drill tools are attempted by researchers for controlling delamination error during drilling of CFRP. The important drill types are twist drill, core saw drill and brad drill. The result is noticed that lower value of delamination factor is noticed with higher level of spindle speed (1250 rpm) and lower level of federate (0.10 mm/rev) with core saw drill. Core saw drill and brad spur drill are provided lower value of delamination factor than conventional twist drill. This study is focused on cutting performance with the effect of special drill than conventional one for the effect of delamination error reduction and accuracy. It is noticed that delamination error could be controlled by appropriate drill tool combined with optimum process parameters.
Keywords:
Drilling; Delamination; Drill types; CFRP
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Copyright © 2023 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution Liscense 4.0
