Tungsten Carbide Cutting Tool’s Tool Wear in Particle Board Machining (2)

In terms of observing the tungsten carbide cutting tools’ cutting edges when machining three layered southern pine particleboard, the blunting was attributed to a combination of the effects of cured urea-formaldehyde resin and the higher board density. A similar effect of the resin glue content on wear was also shown in recently research, with the increasing of board density, silicates and resin content, a linear increasing relationship occurs in the abrasiveness of the board. In addition, if the resin content increases from 5 to 8%, there’s no effect on the tool wear while increasing the resin content from 9-11%, the abrasiveness almost doubled.



Most of the wear is found on the clearance face of tool, due to the rubbing action between the tool face and the wood. Less wear is found on the rake face, since no continuous chip is formed in machining synthetic wood products like particle board as they machine mostly by fracture.


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