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Materials 2018, 11(2), 264; https://doi.org/10.3390/ma11020264

On the Cutting Performance of Segmented Diamond Blades when Dry-Cutting Concrete

1
Department of Mechanical Engineering, Aeronautics Advanced Manufacturing Center (CFAA), Faculty of Engineering of Bilbao, Alameda de Urquijo s/n, 48013 Bilbao, Spain
2
Centro de Investigación y Desarrollo en Mecánica, Instituto Nacional de Tecnología Industrial INTI, Avenida General Paz 5445, 1650 Miguelete, Provincia de Buenos Aires, Argentina
3
Centro de Investigación y Desarrollo en Construcciones, Instituto Nacional de Tecnología Industrial, Avenida General Paz 5445, 1650 Miguelete, Provincia de Buenos Aires, Argentina
4
All Import SA, Paraná 4532, 1605 Munro, Provincia de Buenos Aires, Argentina
*
Author to whom correspondence should be addressed.
Received: 18 January 2018 / Revised: 5 February 2018 / Accepted: 7 February 2018 / Published: 9 February 2018
(This article belongs to the Special Issue Machining—Recent Advances, Applications and Challenges)
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Abstract

The objective of the present study is to analyze and compare the cutting performance of segmented diamond blades when dry-cutting concrete. A cutting criteria is proposed to characterize the wear of the blades by measuring the variation of the external diameter and the weight loss of the blade. The results exhibit the cutting blade SB-A, which has twice the density of diamonds and large contact area, exhibits less wear even though the material removal rate is higher compared with the other two cutting blades. Additionally, the surface topography of the different blades is evaluated to examine the impact of wear depending on the surface profile and the distribution of the diamonds in the blade’s matrix. Large number of diamonds pull-out are found in blades type SB-C, which additionally shows the worst wear resistant capability. As a conclusion, the cutting efficiency of the blade is found to be related to the density of embedded diamonds and the type of the surface profile of the cutting blade after reaching the stop criteria. View Full-Text
Keywords: dry-cutting; concrete; segmented diamond blade; topography; diameter variation; weight loss dry-cutting; concrete; segmented diamond blade; topography; diameter variation; weight loss
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Sánchez Egea, A.J.; Martynenko, V.; Martínez Krahmer, D.; López de Lacalle, L.N.; Benítez, A.; Genovese, G. On the Cutting Performance of Segmented Diamond Blades when Dry-Cutting Concrete. Materials 2018, 11, 264.

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