Experimental approach of coconut peeling process
TypeCommunications avec actes
A substantial area of senile coconut palms exists within the Asia-Pacific region. Once coconut palms become over-mature and senile, their production of traditional products, such as coconuts, significantly decreases, resulting in profitability challenges for farmers. Presently, few profitable markets exist for over-mature, senile coconut palms. Using the coconut palm stem in composite or engineered wood products could, however, provide an attractive alternative. Coconut palm wood differs substantially from hardwood, softwood, and even the wood of other palms. Due to some of its unique characteristics, a processing system able to recover wood from the highdensity zone near the stem periphery is desirable. A series of rotary veneer laboratory trials were undertaken to establish fundamental benchmark lathe settings and veneering characteristics for coconut palm stems. Different pressure bar configurations, billet pre-treatment temperatures, and veneer thicknesses were tested and the resulting cutting forces and veneer quality were assessed.
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BAILLERES, Henri; DENAUD, Louis; BUTAUD, Jean-Claude; MCGAVIN, Robert (North Carolina State University, 2015)Substantial quantities of senile coconut palms are present in plantations within the Asia-Pacific region. Once coconut palms become over-mature, their production of traditional products, such as coconuts, significantly ...
PAŁUBICKI, Bartosz; MARCHAL, Rémy; BUTAUD, Jean-Claude; DENAUD, Louis; BLERON, Laurent; COLLET, Robert; KOWALUK, Grzegorz (Springer-Verlag, 2010)In the present paper, a novel method for veneer checks measurement and description based on digital image analysis is evaluated. According to this method, the camera is located sideways to the veneer allowing for viewing ...
DENAUD, Louis; BOUKERI, Asma; KREBS, Michael; BUTAUD, Jean-Claude; LETOURNEAU, Roger (FPInnovations, 2015)The present work deals with online lathe checks measurement. It is one of the most critical defects of veneer (leading to handling difficulties, excess of glue consumption, poor veneer surface quality, etc.). It could be ...
HANNOUZ, Simon; COLLET, Robert; BUTAUD, Jean-Claude; BLÉRON, Laurent; CANDELIER, Kévin (PRO LIGNO Foundation, 2015)Heat treatment is an attractive method to enhance wood durability, and valorize local hardwood species with natural low durability. Yet no standard allows the certification of such products. This study first aims to observe ...
LABIDI, Chafik; DENAUD, Louis; NOUVEAU, Corinne; COLLET, Robert; HENRY, Laurent (Presses Polytechniques et Universitaires Romandes, 2007)One of the major problems concerning tools of wood industry is nicks occurrence on the cutting edge. This phenomenon is accentuated by the small tool angle of most of the wood machining tools. The aim of this present study ...