As the temperature decreases, the PVC edge banding will further harden and generate internal stress at the bonding interface. When the impact force of the grooving tool acts on the bonding interface, the internal stress is released, which will cause edge chipping or degumming. The temperature of the plate during grooving can be adjusted to above 18℃, so that the soft elastic hot melt adhesive can relieve the impact force of the tool, or change the direction of rotation of the tool, so that the impact force of the tool becomes acting on the surface of the edge banding strip, or it is reduced Slotting advance speed and frequent grinding of the slotting tool to reduce the impact force of the tool.
To get a good edge banding effect and manufacture high-quality furniture, it is necessary to consider the influence of various factors on the edge banding process. PVC edge banding is mainly composed of thermoplastic resin, so it is very difficult to repair, especially when PVC edge banding is broken.
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