Gluebond Strength of Laser Cut Wood

The degree of strength loss when gluing laser cut wood as compared to conventionally sawn wood and the amount of additional surface treatment needed to improve bond quality were assessed under normal furniture plant operating conditions. The strength of laser cut oak glued with polyvinyl acetate adhesive was reduced to 75 percent of sawn joints and gum was reduced 43 percent. It was concluded that for this adhesive a treatment between light sanding and jointing would be needed to glue laser cut wood, depending on species and laser characteristics.

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