Light Weight Aluminum Sheet Continuous PU/EPS Sandwich Panel Production Line With 3-6m/min


The production line is used to producing the sandwich panel that both the top and lower layer are color steel plate (or galvanized sheet,aluminum sheet and the core material is PU foam .Mainly composed with metal roll forming machine PU foaming system ,finished sandwich panel handling devices and controlling system of fill line . The finished products include wall panel ,roof panel ,refrigeratory panel ,exterior wall decorative plate and garage door.


Technical Parameter


1.1 Uncoiler
a) raw material: color steel sheet, aluminum sheet
b) motor power: 3Kw
c) hydraulic power: 2.2Kw
d) innder diameter of coil: 500mm- 600mm
d) outer diameter of coil: 1200mm
e) coil weight: 10T
f) sheet thickness: 0.4-0.8mm
g) sheet width: 1250mm
f) uncoil speed: 1.5-12m/min
g) hydraulic pressure: 6.3Mpa

1.2 Coil Car

a) coil car stroke: 2.5m
b) pressure of hydraulic system: 6.3Mpa
c) hydraulic cylinder lift stroke: up panel 0.5m, down panel 0.5m

1.3 Two sets of steel sheet transverse cutting machines

a) hydraulic cutting
b) cut steel sheet according to certain length
c) two sets of PVC film covering device wich applies the PVC film onto the steel sheet

1.4 Roll Forming Machine

a) sheet thickness: 0.4-0.8mm
b) roll forming speed: 1.5-12m/min
c) roller material: 40Cr, surface chrome coated, thickness 0.05mm
d) The way of width adjust: straight track, silk pole, reducer motor adjustable
e) width adjustable range: 600-1250mm
f) Motow power: up panel 4Kw, down panel 7.5Kw
g) structrue: arm type adjustable, support roller in the middle
h) shaft diameter: 50mm

1.5 Pre-heating Room

a) hot air motor: 18.5Kw
b) hot air heater: 200Kw
c) temperature sensor: hot couple
d) temperature adjustment: automatic control by temperature control equipment
e) heat type: heated by electricity and air circulate

1.6 Double belt machine

a) speed: 3-10m
b) double belt material: alloy steel
c) length & width of double belt: 1400mm x 267mm
d) double belt thickness: 14mm
e) effective working length: 24m

1.7 Band Saw Cutting Machine

a) cut length on line: 3000mm
b) run speed of band saw: 1000-1500rpm
c) rotate diameter of band saw: 550mm
d) cutting speed of band saw: 50m/min-1000m/min
e) width of band saw: 30mm
f) length of band saw: 3000mm-4000mm
g) transverse move distance: 1500mm
h) outline dimension of band saw cutting machine: 5500mmx5000mmx 3000mm


Main Components

Working Flow of PU Sandwich Panel




Machine Photo

The main products of factory is light gauge framing machine, pre-painted steel forming machine, Glazed Tile forming machine, Automatical C/Z Purlin forming machine, Floor Deck forming machine, Guardrail forming machine, Down Pipe forming machine, The whole carriage plate for car beam unit , Steel storage unit, etc. Totally it has 100 types in 20 serious. The products are widely used in warehouse, factory buildings, supermarket, Nursing homes, villas, residential, greenhouse and other construction projects. Our factory can meet the construction enterprises, automobile industry, iron and steel production enterprises’s growing demand.