Spreading system - Import export

Description: The concept of this system is to allow spreading of fine droplets glue evenly over the bottom sheet cladding. Eight adjustable nozzles create an air cushion parallel to the facing, and a fixed divider regularly files drop-lets of glue to this air cushion. The droplets are deposited on the sheet and not sprayed. The dosing machine is provided with flow meters and motor-drive pump to control the volume deposited. The cleaning is very easy, you can rinse the plastic tubing or change it. You can have a tank under pressure (for high viscosities) or a transfer pump to work directly from the drum. This system is available for two-component adhesives and single-component adhesives. . Do not hesitate to contact us for more information . .

Benefits of the dispenser: The quality of the polyurethane foam for sandwich panels produced continuously is strongly dependent on the control of the wave. If the speed of the line is not well controlled and if the contact point of the wave with the top of the facing is not well positioned the mechanical properties of the produced panel decrease considerably. The spreading system mostly used mostly used at present is the “Poker”, a rake which oscillates in different speeds from left to right and from right to left of the panel. We settle generally a covering around 60 % on the return to the rake. This system contains numerous inconveniences: the distribution is very difficult to make homogeneous, make it cover the foam tends to crush cells in formation of the first passage and the wave is not uniform, thus difficult to adjust. The novelty is the fix foam dispenser, it allows of landing all these problems. The foam is put down on the lower facing in a uniform way and allows of...

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