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Semi-automatic edge banding machine

Views:308     Author:Site Editor     Publish Time: 2020-09-10      Origin:Site


Use of hot melt adhesive for edge banding

1: The temperature of the semi-automatic edge banding machine during edge sealing

Since the performance of edge-sealing hot melt adhesives is affected by temperature, temperature is a very important indicator in the process of edge-sealing. The temperature of the hot melt adhesive, the temperature of the substrate, the temperature of the edge banding material and the temperature of the working environment (the workshop where the semi-automatic edge banding machine is located) are all very important edge banding parameters. In the semi-automatic edge banding machine, since the glue is applied to the substrate, the substrate with too low temperature will cause the hot melt adhesive to solidify in advance, which will cause the glue to stick to the substrate, but the edge sealing material will not stick firmly. The temperature of the substrate It is best to keep it above 20°C. The working environment temperature of the semi-automatic edge banding machine will affect the curing speed of the glue. Factories often have edge sealing problems in low temperature seasons. The reason is that the curing speed of hot melt adhesives at low temperatures increases and the effective time for bonding is shortened. If the feeding speed of the semi-automatic edge banding machine cannot be changed (in most cases), the board and edge banding material must be preheated to ensure the edge banding quality.

2. Treatment of the edge banding glue line of the semi-automatic edge banding machine

After edge sealing, the glue line between the board and the edge band will adversely affect the appearance of the panel furniture. If the amount of glue is too large, the glue line will be obvious, and vice versa, it will reduce the edge banding strength. For the discontinuous or uneven glue line phenomenon, there are many reasons for it. The following factors should be considered comprehensively: the cutting accuracy of the plate, the edge of the plate must be at a 90° angle with its plane; edge banding machine Whether the pressure of the pressure roller is evenly distributed and the size is appropriate, and the pressure direction should be at a 90° angle to the edge of the sheet; whether the glue roller is intact, whether the hot melt glue is even on it, and whether the amount of glue is appropriate; save the sealed sheet as much as possible In a clean, less dusty place, in the finishing process, avoid dirty things in contact with the glue line. 




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