Axial drilling investigations and the potential of orbital techniques for enhanced hole quality in orthopedics

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Axial drilling investigations and the potential of orbital techniques for enhanced hole quality in orthopedics

HUSSEIN Raafat, ARAUJO Anna Carla, LANDON Yann, RIBEIRO DA SILVA Cristiane Evelise

Abstract. Precision in surgical bone drilling is essential for restoring bones mobility and function. However, the intricate nature and fiber-reinforced composite structure of bones inherently pose drilling-induced mechanical damage to the bone surface, affecting the primary stability necessary for implant anchorage and therefore leading to implant failure. The critical need for enhanced hole quality and damage reduction has spurred investigations into the optimal drilling parameters, novel drilling tools and alternative machining techniques. This study rigorously investigates the effect of the cutting speed and feed rate during axial drilling employing a center drill. It extends toward a comprehensive analysis of forces, temperature and mechanical damage, with a particular emphasis on delamination assessment. Then, the optimal parameters are established using the Tool-Material Couple (COM) optimization strategy. Subsequently, a novel approach of orbital drilling in bones is introduced for hole quality enhancement when compared to the conventional technique. This investigation serves as a foundational step for a more comprehensive study that ventures into the innovative application of orbital drilling in orthopedics.

Keywords
Biomanufacturing, Machining Bone, Drilling, Hole Accuracy, Delamination

Published online 4/24/2024, 10 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: HUSSEIN Raafat, ARAUJO Anna Carla, LANDON Yann, RIBEIRO DA SILVA Cristiane Evelise, Axial drilling investigations and the potential of orbital techniques for enhanced hole quality in orthopedics, Materials Research Proceedings, Vol. 41, pp 1850-1859, 2024

DOI: https://doi.org/10.21741/9781644903131-205

The article was published as article 205 of the book Material Forming

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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