Abstract

AGUILERA, Alfredo  and  FERNANDEZ, Christopher. Jointing knives and tool wear effect in the surface quality of radiata pine moldings. Maderas, Cienc. tecnol. [online]. 2012, vol.14, n.2, pp.175-184. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2012000200005.

The effect exerted by the land of jointing of high speed steel knives is studied on the surface quality of radiata pine solid moldings. Fuzzy grain and torn grain are analyzed on flat molding profile. To evaluate these defects, the relationship land of jointing - surface quality was assessed through two procedures, on the first the jointing was done systematically, and on the second only once, early in the process. The results indicate that fuzzy grain and torn grain are related to cutting distance and jointing process, the quality of the cutting material and operating conditions must be taken into account because of these factors depends the process performance as well.

Keywords : Fuzzy grain; torn grain; jointing; radiata pine.

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