PU/PIR/EPS/ROCKWOOL Continuous Discontinuous Sandwich Panel Line

The PU line includes the following parts: uncoiling system, film covering and cutting equipment,roll forming machine, preheating oven,high pressure foaming system, double belt conveyor,double belt heating device,cutting system,cooling system, stacking system,and packing system. 
The product of this line sandwich panel is a new type building material for wall panel, which has the function such as good flame retarding, keep warm,heat insulation,sound insulation,waterproof,handiness,environmental protection and so on.It is widely applied in protection and decoration of outside wall for tall building and first class office building.It can protection, keep warm and flame retarding. 

The line mainly product four panel types:
Working Flow:
Dolly feeding coil ------- Uncoiling material --------Film covering (cutting) --------Roll forming-------Preheating material-------Foaming------Laminating in double belt conveyor-------Cutting product------Cooling system------Run out conveyor-------- Automatic stacking product--------Packing products
Sandwich panel lines
Technical Parameters:

Sandwich Panel Spec.
Min.cutting length: 3 meters
Max. Stacking length:15m
Panel width:1000mm (according to profile requirement)
Panel thickness 
Thickness of flat panel:50-150mm
Thickness of corrugated sandwich panel:30-100 mm (exclude corrugated sandwich panel)
Prepainted sheet thickness:0.4-0.7mm (material must be level,no corrugation and distortion)
Yield strength of material:235MPa
Max. width of material:check profile drawing(tolerance ±2mm)
Max. coil weight:10T
Inner Dia. of coil:Φ508、Φ610 mm
PU raw material:two components,141B foaming
PU forming density:35～45 kg/m3
Line speed:3-7m/min (adjustable)
Total length:about 150m
Working height:1200mm (height of panel coming out)
Pressure for foaming:150-200 bar
Effective length of double belt conveyor:21m(this can be designed as customer request)
Control mode:imported PLC system((Mitsubishi)
Total power: about 300Kw(not include the electric heating power)
Power required:380V/3phase/50Hz

1.Uncoiling system
Capacity:max. 10tons
Uncoiling speed:0-25m/min(adjustable)
Inner Dia:φ508mm, φ610mm(gasket is required)
Width of materia:max. 1250mm
Adjusting Center:Max. 200mm

2.Covering film and cutting system
Power of cutting motor: 0.75 kw
Cutting speed:about 30 m/min
Power of driving motor:1.5 kw
Feeding speed of driving rollers:about 15 m/min
Thickness of material:0.4～0.7 mm

3.Roll forming system
Thickness of material: 0.4-0.7mm
Max. Width of materia:1250mm
Panel covering width:1000mm (see profile drawing)
Power for upper forming machine:4Kw
Power for lower forming machine:7 .5Kw
Speed of forming machine 2-10m/min

4.Heating system
Sheet thickness:0.4-0.7mm
Heating power:100000 Kcal/hour
Ventilator volue:about 12000M3 /hour
Speed of product out: max.7m/min 
Oven total length:5 meters
Upper guiding roller adjusting distance:100mm
Lower guiding roller adjusting distance:100mm
Fan motor power:5.5KW
Temperature difference:≤+/-3 ℃

5.Double belt machine
Effective length of DBL:21 metres
Low belt working height:1200 mm.
Effective width of DBL:1080 mm(depend on final design)
Speed of DBL when working separately: 2-15m/min.
Lower and upper conveyors gap:10～370 mm. max.(without plastic blocks)
Motor power:2×11 Kw
Hydraulic motor power:7.5KW
Side belt: Length:15000mm
Motor power:5 KW

6.Two components foaming system 
High pressure two components foaming machine suitable for the use of 141B as 
Polyurethane foam blowing agent which including: 
1.Components storage,feeding and premixing group
2.Nucleation air line
3.Premixing device for polyol/air
4.High pressure metering group
5. High pressure mixing and foaming head
6.Electric control cabinet and process control
7. Chiller unit
8.Foaming head cross beam

7.Milling cutting machine
Mini. Cutting length:3 m (variable according to production speed)
Max. panel thickness: max. 200 mm 
Cutting distance:max.1200 mm
Working height:1200mm
Power of band saw machine:5.5 kw
Power of band saw machine running:1.5 kw
Power of absorbing dusts motor: 7.5 kw
Total power:20 kw

8.Cooling system
The level cooling system mainly consists of following parts:
(1) Front convey rollers:1 set
(2) Front cooling system:1 set
(3) Back cooling system:1 set
(4) Middle convey roller:1 set
(5) Control device:1 set 

9.Stacking system
Motor power of front conveyor roller:1.5 kw
Feeding speed of front conveyor roller:30 m/min (adjustable)
Power of transmission conveyor after stacking:2.2 kw×2
Speed of transmission conveyor after stacking:15 m/min
Hydraulic station power:7.5 kw
Air power pressur:0.7 Mpa
Crane lifting speed:15 m/min
Crane moving speed:30 m/min
Osculum lifting distance:1100 mm
Beam moving distance:4500 mm
Stacking specification
Panel length:max 15 m
Width:max 1200 mm
Stacking height:1000mm

10.Packing machine 
Film thickness:25～35 um 
Film width:500mm
Packing speed:0-5m/min (adjustable)
Roller width:1250mm
Roller length:2*15000mm