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Machining properties of lesser used wood species from Mozambique
Eduardo Mondlane University.
Eduardo Mondlane University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-0145-080X
2017 (English)In: Wood research, ISSN 1336-4561, Vol. 62, no 4, 635-644 p.Article in journal (Refereed) Published
Abstract [en]

The present study was aiming at measuring cutting forces for wood of lesser used species from Mozambique such as Acacia nigrescens Oliv (namuno), Pericopsis angolensis Meeweven (muanga), Pseudolachnostylis maprounaefolia Pax (ntholo) and Sterculia appendiculata K. Schum (metil). Another aim was to use an expeditious method to compare performance of the species when cut. A machinability index calculated using Digraph and Matrix Methods was used for ranking the performance of the species when cut. Two different cutting tools 20o and 30o rake angle were used. Main cutting force in 90°-90° and 90°-0°cutting directions were measured by piezoelectric gauge. The results of the experiments showed that cutting forces followed normal trends to increase with density and decrease with increasing rake angle. The ratio between wood density and cutting forces in cutting directions 90°-90° and 90°-0° were 7 s2m-4 and 17.3 s2m-4, respectively. The most difficult species to be machined was Namuno, whereas the easiest species to be machined was Metil.

Place, publisher, year, edition, pages
Statny Drevarsky Vyskumny Ustav , 2017. Vol. 62, no 4, 635-644 p.
Keyword [en]
Cutting tool, cutting force, tool wear, machinability, hardwood
National Category
Engineering and Technology Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-65845DOI: 2-s2.0-85029753928ISI: 000411908900013Scopus ID: 2-s2.0-85029753928OAI: oai:DiVA.org:ltu-65845DiVA: diva2:1144734
Note

Validerad;2017;Nivå 2;2017-10-03 (andbra)

Available from: 2017-09-27 Created: 2017-09-27 Last updated: 2017-11-24Bibliographically approved

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