Page 40 - FDMAsia NovDec 2024

38 TECHNOLOGY NOV/DEC 2024 FDM ASIA | www.fdmasia.com

Influence Of Edge Surface Treatment
The state of the edge of particleboard is an important criterion
for assessing the quality of wood-based materials. According
to Triboulot et al., the thickness of the glue joint is related to

the surface quality, and it is important to determine the optimal
machining conditions for preparing the surface for gluing.
of a PVAC adhesive resulted in the highest bonding strength. Sawing and milling can damage the laminate in the vicinity
Imirzi et al. further emphasised the importance of the type of the processing zone and bead of the particleboard edge,
of adhesive, where the PVAC adhesive along with the screw leading to delamination during machining.
provides the highest moment-carrying capacity in L-type Wear of the cutting tool also plays a significant role in
corner joints. the delamination process. Therefore, the processing method
Therefore, it is crucial to consider glue application techniques, and tool wear should be carefully considered to minimise
surface quality, and edgebanding materials when aiming for delamination and ensure the quality of gluing the edgeband

high-quality glued joints in furniture design. on the three-layer particleboard. The findings of Džinčić and
Different glue application techniques can also affect the Palija have significant practical implications for the edge-
quality of the glued joint of the edgeband on a three-layer bonding quality.
particleboard in the furniture design. This study highlights the critical influence of panel
The surface quality of the particleboard plays a significant squareness on edge bonding strength, suggesting that
role in the wetting and adhesion of glue. Preparation of the maintaining minimal angular deviation during manufacturing
surface before gluing can affect superficial deterioration and can enhance joint strength.

local weaknesses in the joint. In particular, the influence of squareness after processing
Hlavatý and Tesařová highlighted the potential impact of using pre-cutters and the position of the glue application roller
temperature on the stability of glue joints, with a decrease were investigated.
in the joint stability observed at higher temperatures. Tankut This insight is crucial for manufacturers aiming to improve
and Tankut explained the correlation between pressure and product durability and reduce failure rates. The lack of defined
tension forces on adhesive tapes and the quality of furniture. minimum strength standards for edge bonding in existing
Džinčić and Palija pointed out the variability in glue regulations underscores the need for industry-wide benchmarks
applications owing to gaps between the edge material and to ensure consistent quality.
the application roller due to deviation of the edge to the wider These findings collectively suggest that the selection of

side of the panel in terms of the angle and straightness of glue, application technique, preparation of the gluing surface,
the joint, which occurred during the milling process before and gluing parameters are crucial in ensuring the strength and
the edgebanding and can lead to uneven adhesive layers durability of edgebanding.
with potentially weaker bonds. Edgebanding improves corner joint strength compared with
Also, the introduction of laser technology in edgebanding unbanded joints in cabinet furniture. The ultimate strength of
enhances the conventional gluing process by melting a pre-applied cabinets constructed with edgebanding was found to be 1.8
adhesive layer on edgebands using a laser to generate controlled times greater than that of cabinets made without edgebanding.

heat. This precise application allows optimal adhesive distribution Based on the results of Tankut and Tankut, cabinets
and strengthens the bond between the edgeband and the panel. made of melamine-coated MDF with edgebands had a higher