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Characterizing surface defects in machine-planning of rubberwood (Hevea brasiliensis)

Ratnasingam, Jegatheswaran and Scholz, Frieder (2007) Characterizing surface defects in machine-planning of rubberwood (Hevea brasiliensis). European Journal of Wood and Wood Products, 65 (4). pp. 325-327. ISSN 1436-736X

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Despite its extensive application in the furniture manufacturing industry throughout the South East Asian region, the machine-planing characteristics of rubberwood (Hevea brasiliensis) are not completely understood. In an effort to optimize the process, a series of experiments were undertaken using a Weinig 22A Unimat moulder (cutter-head rpm of 6000, cutter Ø 120 mm) to produce machined rubberwood surfaces with differing pitch lengths ranging from 0.8 mm to 1.5 mm, by altering the feed speed. The results showed that surfaces with a pitch length of cutter marks of 1.2 mm or more and a high knife rake angle were more prone to manifest machining defects, such as torn grain. This study shows that for machine planing of rubberwood the recommended cutter marks pitch length of 1.2 mm, achieved with a knife rake angle of 20°, will ensure the highest resultant surface quality and processing yield.

Item Type:Article
Faculty or Institute:Faculty of Forestry
Publisher:Springer Berlin / Heidelberg
DOI Number:10.1007/s00107-006-0163-3
ID Code:7402
Deposited By: Samsida Samsudin
Deposited On:22 Jun 2010 17:22
Last Modified:30 Oct 2015 08:02

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