Composite hollow grid-like flat plate and manufacturing method
A production method and technology of blank space, which are applied in the field of flat products, formwork/formwork components, and construction components, etc., can solve problems affecting service life, installation efficiency and use cost, inability to use continuous long fibers, and the product itself. Heavy weight and other problems, to achieve the effect of light weight, weight reduction, and easy structure adjustment
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[0073] The production line of the manufacturing method includes a single-screw extruder 1, a hydraulic screen changer 2, an extrusion die 3, a shaping die 4, a shaping device 5, a tractor 6, two first unwinding stands 7, two second unwinding Roll stand 8, unwinding platform 9, three-channel oven 10, two-roll laminating device 11, twin-screw extruder 12, second hydraulic screen changer 13, coating mold 14, second shaping mold 15, second shaping Device 16, second tractor 17, cutting machine 18, longitudinal conveying device 19, transverse conveying device 20;
[0074] Step S1, extrude the plastic filling layer 130 through the single-screw extruder 1, install a hydraulic screen changer 2 at the extrusion outlet of the single-screw extruder 1, filter the plastic raw materials for impurities, The outlet is installed with a plastic filling layer 130 to extrude the die 3, and the shape of the filling layer 130 is formed by the extrusion die 3; as Figure 16 As shown, the extrusion d...
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