A sandwich panel production line is always required for the production of metal skinned, Eps/xps board or Rockwool and Glass mineral wool insulated roofing and wall panels of prefab buildings, like assembled container houses.

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Assembling prefabricated house with EPS roofing and wall sandwich panels

People like to use metal roofing and wall panels made of pre-painted steel coils or galvanized steel coils instead of stones, bricks or clay tiles for most of residential, commercial, industrial and agricultural steel buildings, however a single metal roofing or wall panel is not a thermal sheet which can prevent a building or a house getting too hot in summer or too cold in winter.

Therefore an insulated sandwich panel production line tends to be the first choice to contractors or distributors whenever they have need to produce thermal roofing or wall panels. There are various connection or joint type for EPS and Rockwool roofing and wall sandwich panels, like ‘H’ lock type, Z lock type, tongue and grooved type, concealed fixing type, cap fixing type, klip-lok type, cladding type and so on.

Brief introduction of Eps/Rockwool sandwich panel production line:

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Assembled container houses made of Rockwool sandwich panels

An Eps and Rockwool insulated sandwich panel machine line has been designed for the continuous production of metal faced roofing and wall sandwich panels with thermal materials insulated mainly used for the building of prefab houses. The metal skins for roofing sandwich panels are trapezoildal roofing sheets made of pre-painted steel coils with thickness 0.3-0.8mm, width 1250mm maximum; the thermal materials for roofing and wall sandwich panels are usually EPS or XPS board, and Rockwool or Glass mineral wool;

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Rockwool Wall Sandwich Panels assembled in a Cold Storage Room

EPS/Rockwool sandwich panel production line generally consists of 3 manual decoiler, a roof or wal panel roll forming machine (double layer roll forming machine will be equipped for the production of two types of roof sandwich panels), a feeding table for EPS or XPS board and Rockwool or Glass mineral wool strips, glue mixing system, pressing or composing machine, a tracking fly-saw cutter, run-out table and control system. Optional equipment will be provided as per requests, such as auto stacking machine,and auto packing machine.

Technical Parameters of EPS and Rockwool Sandwich Panel Production Line:

The workflow of Roof and wall insulated sandwich panel production line:

  • Decoiling: Feeding of the material for bottom metal strip
  • Roll Forming: Producing the Bottom metal strip for roof/wall panel
  • EPS boards or Rockwool Strips Feeding Table: Placing the middle part of the sandwich panel
  • Dripping glue onto top and bottom metal strips
  • Heating of strips for better adhesions of glue
  • Rolling edges of the strips
  • Connecting parts and roll forming together
  • Making slot (milling cutting to cut extra parts of EPS) of panels for specific lengths
  • Measuring cutting lengths and quantities;
  • Cutting adjusted by PLC touch screen.
  • Runout Table.

Overview of the line:

  • Thickness of Metal skin: 0.3-0.8mm;
  • Width of Material: 1250mm;
  • Core material: EPS/XPS Board, Rockwool/Glass Mineral Wool;
  • Power supply: 380V/50HZ/3PH;
  • Total power: 35KW
  • Production line speed: 0-4m/min
  • Equipment overall dimensions: 38000mmx2200mmx2800mm
  • Product width: 840-1100mm
  • Product thickness: 50-250mm
  • Annual output: 600 thousand square meters

Roofing and Wall Panel Roll Forming Machine:

  • Material width: 1219-1250mm;
  • Covering Width: 960-1000mm
  • Raw Material: Prepainted steel coils or Galvanized steel coils;
  • Material thickness 0.3-0.8mm
  • Forming stations: 14-18 roll forming stations;
  • Diameter of shafts: 70mm;
  • Material of shaft: 45# steel;
  • Material of roller: 45# steel with quenching treatment;
  • Main power: 5.5KW;

Pessing Machine:

  • Roller Diameter: 150mm
  • Hardness of Roller: HRC60
  • Thickness of Rubber Layer: 10mm
  • Number of Rolls: 32
  • Gluing Power: 0.37KW
  • Spreading Power: 0.5KW
  • Grooving Device: 0.5-1.0mm depth
  • Electric Shearing Device: 0.75KW
  • EPS Waste Collector: 2.2KW
  • Panel Cutting Device: 3KW

Control Box

  • Control System: Panasonic PLC, Touch Screen, Transducer and Electrical Console
  • Encoder: Omron Brand
  • Current: 380V, 50Hz, 3-phase