BANGLADESH JOURNAL OF FOREST SCIENCE
A Half-yearly Peer Reviewed Journal of Bangladesh Forest Research Institute
A Half-yearly Peer Reviewed Journal of Bangladesh Forest Research Institute
Toon wood (Cedrela toona) is less known in Bangladesh as a commercial timber species, but it also has the prospects of being used for joinery, musical instruments, and some specific furniture manufacturing purposes depending on its physical and mechanical properties. This study was intended to identify the compatibility of Toon (Cedrela toona) wood for furniture manufacturing in terms of exhibiting some machining and hand tool properties viz., planning, shaping, boring, mortising, and turning tests. The appraisal in both machining and hand tool property tests were based on the frequency of the defect-free samples. The finishing property was also ascertained by using two types of polishing materials, viz., carpa and shellac. The defects of the samples were conjectured by visual and tactile observation. The percentage of defect-free samples was assessed for each property operation and classified based on five quality grades. The results of this study mainly emphasized good working properties, and toon wood may be suitable for furniture manufacturing.
Wood working properties is very important in order to select wood for particular use. The study
was conducted to assess the working properties of five wood (main stem portion) species- lambu, aijun,
jhau, palmyra palm and acacia hybrid. The working properties were carried out in two different methods,
namely : machining and handtools. The effects of machining properties, such as- sawing, planing, shaping,
boring, mortising and turning were tested on these five wood species along with handtools test. The sawing
qualities of these wood were determined by manual feeding of logs to the saw blade. The evaluation of each
operation was based on frequency of occurrence of defect free samples. Finishing properties were evaluated
with the application of two different types of polishing materials, viz.: shellac and carpa as well. Each
sample was visually observed and classified based on five quality grades. The results indicated that acacia
excellent working performance in all properties. All rated excellent shaping result in handtools operation except palmyra palm. Palmyra palm yielded very poor results in shaping, boring, mortising and turning tests.
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