The PU sandwich panel made of upper and bottom both metal steel panel and inject the PU liquid inside of them then after curing and then extrusion.

Superior Polyurethane adhesive property can make whole block between foam and metal panel and not need other material to stick again.

The metal panels can be extruded to various shapes and assure high stiffness and capacity

Introduction of production line:

1, Components

The PU continuous production line composed of un-coiler, Cut off the docking, filming, rib/forming, preheating, foaming, continuous solidify, cutting, stacking and packing etc. with high Automation and stable performance.

Uncoiling area:

Uncoiling area includes two sets uncoilers, Roller Conveyors, sending device, cutting device, filming device etc.

Roll forming area:

There are upper and lower roll forming machine and quick change system, it is possible to produce various profiles to meet diversified demands.

Foaming area:

Foaming area composed of High pressure PU foaming machine , casting machine and double crawler etc.

PU provided foaming machine with electrical metering mechanism, automatic coil provided system to insure the material mixed according to ratio, spraying equally, the double crawler with accurate temperature control system and safety foaming processing to assure foaming equally and stable.

Saw cutting area:

Saw cutting area includes saw and milling machine to finish scale cut off.

Stacking and packing:

Stacking and packing consists of fast transiting conveyer, automatic turn-over, stacking and packing system etc. it is easy to assure the production on line and avoid damage and losing during transiting to improve the production efficiency.

Automatic control system:

The production adopts Siemens control system, Humanized interface easy to operate, monitor and adjust the parameters to assure production running stable and effectively.

The production line is designed after study and research abroad advanced technology, which provided with international advanced lever.

Technique data(Roll forming parts:

Coil types	pre painted coil/stainless steel
Coil thickness	0.35-0.80mm
Coil weight	Max: 10T/7.5T(option)
Coil width	Max: 1250mm
Length of roll forming unit	Approx: 35-40m
Coil inner diameter	Standard: Ø508mm
Coil outer diameter	Max: Ø1100mm
Line speed:	1.5-12m/min
Constringent air	Max: 4-9Kg/cm²
Power	380V/50Hz
Roll former type	Used in roof, wall and refrigeratory Panel (grooving, SS, RP, boltless)
Operation height	From the ground: 1300mm

Specifications:

Material	Raw material	colored steel plate, galvanized plate, or aluminum plate
	Thickness	0.35-0.8 mm (As customer`s need)
	Feeding width	300mm-1250mm (According to customer`s profile)
	Material hardness:	550 Mpa---350 Mpa
Hydraulic Uncoiler (With Coil Car)	Inner Diameter	500-600mm
	Max Coil width	1500mm
	Capacity	10T/7.5T
	Hydraulic cylinder lift stroke	Up panel 0.5m, Down panel 0.5m
	Coil car stroke	2.5m
	Pressure of hydraulic system	6.3Mpa
Main Forming machine	Forming steps	24 stations ( Depend on Profiles )
	Shaft diameter	Φ60mm
	Design type	Middle plate welded
	Transmission	Gear box (Chain and gear box depend on thickness and customer`s need)
	Machine frame	350# H steel welded; Steel plate welded/ Memorial arch frame type
	Roller material	Gcr15MoV
	Shaft material	45# steel with tempering
	Cutting blade material	Gcr12MoV quenched
	Working speed	1.5-12m/min
	Power of machine	32KW (According to the thickness)
	Type of cutting	Hydraulic
	Cutting tolerance	±1mm
	Material of blades	Gcr12 quenched
	Cutter quantity	1 set
	Working pressure	20MPA
Pre-heating Room	Temperature sensor	Hot couple
	Temperature adjustment	Automatic control by temperature control equipment
	Hot air motor	18.5Kw
	Hot air heater	200Kw
	Heat type	Heated by electricity and air circulate
Flying Saw Cutting Machine	Outline dimension of band saw cutting machine	5500mmx5000mmx 3000mm
	Run speed of band saw	1000-1500rpm
	Rotate diameter of band saw	550mm
	Cutting speed of band saw	50m/min-1000m/min
	Width of band saw	30mm
	Length of band saw	3000mm-4000mm
	Transverse move distance	1500mm
	Cut length on line	3000mm
Configurations	Uncoiling→ (Perforation machine )→Feeding material into machine→ Roll forming→ PU foaming→ Pre-heating Room→ Auto cutting→ Products receiving N.B: you can choose the Perforation machine and punching part as your demand.

Other Spare part	Weight	About 25 ton
	Dimension	42000mm * 3600mm * 3300mm
	Main body color	As required
	Voltage	380v/50hz/3ph(or as required)
	Suitable working temperature	About 25℃
	Spare cutting blade	One piece
	Fuse	2 pieces
	Relay	2 pieces
	Travel switch	2 pieces
	Solenoid valve	1 pieces

Product Features

Energy saving

You can save air-conditioning and heating expenses remarkably, thanks to its excellent insulation effect as mush as 4. 2 times of cement brick.

Perfectly insulated and waterproof

Using the high-density EPS, it is moisture and noise free.

Semi-permanence and easy installation

Using galvanized steel sheets treated with fluorine and silicone on the surface, it is unchangeable and semi-permanent. Due to the standardized products, you can save the cost for construction by hiring the least number of workers and minimizing the period of construction.

Excellent lightness and firmness

It is light but firm, so even a house is simply built, it is strong enough. Coating with different material, you can enjoy various type of panels.

Application

The products of this line are widely used as the roof and wall of factory, warehouse, garage,
exhibition center, cinema, theatre, gymnasium, civil construction, stadium, cold storage, etc.

Our Advantage

High Quality
Reasonable Price
Good after Service
1 Year Warranty
More Than 20 Years Experience

Profile Drawing:

Machine Picture:

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