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This production line is a kind of specialized equipment for producing laminated panels with the middle layer of anti-combustion polyurethane or polyisocyanurate or phenolic polyfoam and with embossed aluminum foil as the top and bottom face layers. The laminated panel is between 20 and 30 mm in thickness, 1200mm in width, length determined by the customer. The panel is mainly used for making the ventilation duct for central air-conditioners. Different insulating panels with other soft facing layers could also be produced on the line. The operation principle of this line is as follows: Raw materials of rigid-foam liquids are delivered into the mixing head through the metering pump on the injection machine and then injected onto the bottom facing sheet going to conveyors along with the top superficial sheet. Between the upper and lower conveyors, the liquid materials are hardened into shape, after which the laminated panel is edge-trimmed and, by an automatic tracking cutter, cut into segments according to the preset length.
1. Embossing machine unit 2. Reaction injection machine 3. Foil decoiler 4. Double-belt laminator5. Hot-air circulator 6. Cross-cutter 7. Edge-trimming installation 8. Mobile injector 9. Pre-heating table
Main technical parameters |
Specification of produced panel 1200 mm×20~30 mm (Width×Thickness), Length on requestLinear speed of production 2~5 m/minMaximum embossing speed 15 m/min max. Agitating speed 4500 r/minReciprocating times of injection head per minute more than 60Maximum temperature of hot-air circulating 70°CLaminating length of laminator 18 mMaximum clearance between conveyors 250 mmTotal power (KVA) 85~125Overall external dimensions 40340×5365×3636 mm (Length×Width×Height)External dimensions of embossing machine unit 7050×3200×1600 mm (Length×Width×Height)Weight ≈33 tons |
Sandwich panel line