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The tension of the edge banding machine pressing roller should be adjusted to a reasonable position if a thick edge band is used for edge banding. The most common issue is that it is pushed too tightly. The edge band applies a force perpendicular to the feeding direction when the pressing roller presses the long part of it since it is slightly longer than the workpiece. The bonding strength is now low because the glue hasn't entirely dried. The tail is not sticky yet is simple to remove.
During processing, the room temperature shouldn't be too low. It should typically be higher than 15°C. Flexibility will be inadequate, especially if the edge band is thick. It is necessary to guarantee the preheating device's smooth operation. It is especially suitable for curved edge sealing when the edge band is softened using techniques like blowing and heating. No uncertainty shall exist in the processing workshop.
The edge-sealing effect is influenced by the edge-sealing tape's quality. The products that are edge-sealed with high-quality tape are snugly sealed, whereas those that are edge-sealed with low-quality tape have a wider gap at the edge and a visible black line. The surface is easily scratched by the backer when the machine is trimming. The middle portion of the glued surface should be slightly more concave than the two sides based on the cross-section of the thick edge banding.
The moisture content of solid wood edge sealing material should range between 8 and 10%, it should be stored in a cold, dry environment, and the base material should be free of dust.
Due to the quick edge sealing speed, the adhesive must have good initial viscosity, dispersibility, and permeability to the substrate under low pressure. Secure the knot. When using, take care to check that the hot melt adhesive's temperature is within the acceptable range. The glue will split if the temperature is too high for an extended period of time, and the hot melt adhesive cannot reach good fluidity at low temperatures. a data.
The amount of hot melt adhesive used should be determined by how much glue is slightly protruding from the glued pieces' exterior. If it's too big, a black line will emerge at the edge, which will influence how it looks; if it's too little, the bonding strength won't be strong enough. The adhesive film can be examined with a transparent hard pvc tape to see if it is continuous. It can also be used to seal the edge with a common edge band, which is ripped off for inspection when the adhesive is still warm.
The cutting quality of the semi-finished product to be edge banded also influences the edge banding effect, according to the manufacturer of the edge banding machine without the front milling cutter device. Typically, when cutting, the maker will use a notch saw, also known as a little saw blade, to avoid the product bursting.