Universiti Teknologi Malaysia Institutional Repository

Machining of bone: Analysis of cutting force and surface roughness by turning process

Noordin, M. Y. and Jiawkok, N. and Ndaruhadi, P. Y. M. W. and Kurniawan, D. (2015) Machining of bone: Analysis of cutting force and surface roughness by turning process. Proceedings Of The Institution Of Mechanical Engineers, Part H: Jourl Of Engineering In Medicine, 229 (11). pp. 761-768. ISSN 9544-070

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Official URL: http://dx.doi.org/10.1177/0954411915606169

Abstract

There are millions of orthopedic surgeries and dental implantation procedures performed every year globally. Most of them involve machining of bones and cartilage. However, theoretical and analytical study on bone machining is lagging behind its practice and implementation. This study views bone machining as a machining process with bovine bone as the workpiece material. Turning process which makes the basis of the actually used drilling process was experimented. The focus is on evaluating the effects of three machining parameters, that is, cutting speed, feed, and depth of cut, to machining responses, that is, cutting forces and surface roughness resulted by the turning process. Response surface methodology was used to quantify the relation between the machining parameters and the machining responses. The turning process was done at various cutting speeds (29-156 m/min), depths of cut (0.03 -0.37 mm), and feeds (0.023-0.11 mm/rev). Empirical models of the resulted cutting force and surface roughness as the functions of cutting speed, depth of cut, and feed were developed. Observation using the developed empirical models found that within the range of machining parameters evaluated, the most influential machining parameter to the cutting force is depth of cut, followed by feed and cutting speed. The lowest cutting force was obtained at the lowest cutting speed, lowest depth of cut, and highest feed setting. For surface roughness, feed is the most significant machining condition, followed by cutting speed, and with depth of cut showed no effect. The finest surface finish was obtained at the lowest cutting speed and feed setting.

Item Type:Article
Subjects:A General Works
ID Code:58492
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 12:07
Last Modified:18 Sep 2017 11:04

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