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2020 | OriginalPaper | Buchkapitel

64. Assessment on Hole Quality During Drilling of Al/CFRP Stack

verfasst von : Tarakeswar Barik, Swagatika Sarangi, Kamal Pal

Erschienen in: Advances in Unconventional Machining and Composites

Verlag: Springer Singapore

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Abstract

Carbon fiber reinforced plastics (CFRP) along with metallic stacks highly used in avionics and other industries. However, assembling of such ancillaries needs holes for which primarily drilling is necessary. Drilling of such dissimilar material combinations having different mechanical properties results numerous defects. The reduction of such defects with acceptable hole quality needs a study on the effect of variations of the cutting parameters. This paper presents an experimental study on the interaction effect of different cutting parameters, like spindle speed and feed rate on delamination, circularity, and surface roughness, which was considered as hole quality characteristics. Aluminum alloy (7075) was used as the stacking metal with fabricated CFRP at fiber orientation of 0°/90° and 45°/–45°. Drilling is carried out using Tungsten–Carbide Twist Drill of point angle 1100°, 1180°, and 1250°. Drilling defects were found to be minimum for the least point angle, higher spindle speed, and lower feed rate.

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Titel: Assessment on Hole Quality During Drilling of Al/CFRP Stack
verfasst von: Tarakeswar Barik
Swagatika Sarangi
Kamal Pal
Verlag: Springer Singapore
Buch: Advances in Unconventional Machining and Composites
Print ISBN: 978-981-329-470-7

Electronic ISBN: 978-981-329-471-4

Copyright-Jahr: 2020
DOI: https://doi.org/10.1007/978-981-32-9471-4_64

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