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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Official URL: http://dx.doi.org/10.1007/s00107-006-0163-3
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.
|Faculty or Institute:||Faculty of Forestry|
|Publisher:||Springer Berlin / Heidelberg|
|Deposited By:||Samsida Samsudin|
|Deposited On:||22 Jun 2010 09:22|
|Last Modified:||09 Aug 2010 04:18|
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