Cutting Forces in basic and real life wood machining processes review, COST Action E35 2004-2008: Wood machining - Micromechanics and fracture
TypeArticles dans des revues avec comité de lecture
The data available in the literature concerning wood cutting forces permit to build models or to simulate the main wood machining processes (milling, sawing, peeling etc.). This approach contributes to a better understanding of formation of wood surfaces and chips and the data may be helpful to optimize cutting geometry, reduce tool wear, improve tool material, and to size tool-machines. The models may also be useful for industrial application in two ways: (1) providing data to optimise the settings for a given operation (batch approach) and (2) building predictive models that could be the basis of an online control systems for the machining processes (interactive approach). A prerequisite for this is that numerous machining tests on different wood materials are performed based on experiences with different kind of tools and experimental devices. With potential industrial applications in focus, the emphasis of this review was on the wood peeling process, which is a very demanding special case of wood cutting. Though not so many industrial machines are equipped with expensive force sensors, there is a lot of high quality information available about cutting forces which may be useful to improve the scientific or technologic knowledge in wood machining. Alternative parameters, such as vibration or sound measurements, appear to be promising substitutes in the praxis, particularly to feed online control systems of any wood cutting process.
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THIBAUT, Bernard; DENAUD, Louis; COLLET, Robert; MARCHAL, Rémy; BEAUCHENE, Jacques; MOTHE, Frédéric; MEAUSOONE, Pierre-Jean; MARTIN, Patrick; LARRICQ, Pierre; EYMA, Florent (Springer-Verlag, 2016)Key message Wood machining is compulsory both for timber separation and the surfacing of wooden objects.The anisotropy, cellular nature and multi-scale level organisation of wood make its cutting complicated to study.During ...
The effect of log heating temperature on the peeling process and veneer quality: beech, birch, and spruce case studies DUPLEIX, Anna; DENAUD, Louis; BLÉRON, Laurent; MARCHAL, Rémy; HUGHES, Mark (Springer, 2013)Heating green-wood prior to peeling is necessary to improve both peeling process and quality of veneer. This study investigates optimum heating temperatures by soaking of beech, birch and spruce. Experiments have studied ...
Wood peeling process monitoring: a comparison of signal processing methods to estimate veneer average lathe check frequency DENAUD, Louis; BLERON, Laurent; EYMA, Florent; MARCHAL, Rémy (Springer, 2012)Experienced peeling operators are able to adjust the settings of their device by hearing the sound coming from the process. Based on this idea, a research program was undertaken to evaluate the possibility of using acoustic ...
Online control of wood peeling process: acoustical and vibratory measurements of lathe checks frequency DENAUD, Louis; BLERON, Laurent; RATLE, Alain; MARCHAL, Rémy (EDP Sciences, 2007)In the course of most wood machining processes, operators are usually able to detect various problems simply by hearing the sound emitted by the process. This is especially true for wood peeling. Lathe checks formation has ...
BLERON, Laurent; DENAUD, Louis; COLLET, Robert; MARCHAL, Rémy (Lavoisier, 2011)Since the test method for compression strength perpendicular to the grain was changed from a partial area to a full area loading test, strength values for softwood in EN 338 were significantly reduced. Consequently, a ...