Flame lamination line allows lamination materials on both sides of the foam in one run.
Equipped with centering and pulling unit for the foam to automatically adjust tension and provide well-aligned feed to the flame laminator.
Includes welding device to join the head and tail of foam rolls, making the joint straight and shortening the time to join rolls.
Equipped with device to trim the edges in line, with relevant guiding unit to align the material before trimming and pulling unit to assure correct tension when trimmed.
Specifications
Rollers width: 2200 mm
Useful width (maximum width of the product): 2000 mm
Maximum diameter of the roll of fabric or artificial leather: 600 mm
Maximum diameter of the roll of PU foam: 1200 mm
Maximum diameter of the roll of bonded product: 1750 mm
Mechanical speed adjustable from 5 to 50 meters per minute
Three-phase main power supply + earth: 400+E/60 V/Hz
Installed power for all the machines: 16 kW
A.C. motors, electric controls, and electric wirings are executed according to IEC norms
Backgear rollers with painted surface having a diameter of 100/120 mm
Consumption of compressed air at 6 bar
Adjustment of running speed of the line on the flame-laminating machine
Maximum consumption of LPG (liquid-propane) for burner fed with this gas (calorific power kcal/kg 11,944): 4.6/9.2 kg/h per burner
Tension on the bonded product can be adjusted from 5 to 30 kg
Synchronization of machine by adjustable speed motors, A.C. electronic drives and dancer units driven by pneumatic system
Epoxy paint
Materials To Be Used
Maximum thickness of PU foam: 20 mm
Minimum thickness of PU foam: 2 mm
Density of PU foam: 20/36 kg/m³
Materials To Be Bonded
Natural or synthetic face fabrics having a weight from 100 to 400 g/m²
Natural or synthetic fabrics for back sides having a weight from 50 to 120 g/m²
PVC and PU artificial leather
Plastic films
Non-woven, excluding polypropylene tape
To laminate materials by flame, it is necessary to use PU polyester foam; a special kind of polyester foam suitable for flame lamination with delayed lamination can also be used; 100% polyester foam is not suitable for flame lamination.
Reference Drawing And Included Components
Unwinding unit for PU foam with framework
Welding machine
Centering and pulling unit complete with pneumatic dancing unit to adjust the tension on the material
Flame laminating machine with 2 burners, 2 calenders, 1 drum with big diameter and perforated surface fitted with axial motor fan to suck up the fumes and cool the product, in order to remove bad smell from the fabrics
Motor commands to place burner, to place calender, and to adjust the power of the flame; flame presence monitoring system
Operator’s platform
Edge cutting (trimming) unit
Vacuum system for the trimmed-off strips (selvedges)
Pulling unit for bonded product complete with pneumatic dancer roller
Arm-type rewinder designed for rolls with maximum diameter 1800 mm and complete with pneumatic dancer roller
General electric control panel provided with PLC and touch screen for automatic control of working parameters
Condition And Notes
Flame lamination needs a thermoregulation unit to control the temperature of the burners and the calenders, with flow 3000 L/h, cooling capacity 30,000 frig/h, water temperature 5°C/80°C; can be provided by request at additional cost.
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