double metal foam sandwich panel roll forming machine heat retaining sheet machine
sandwich panels are generally divided into: metal sandwich panels, wood composite panels, color steel sandwich panels, rock wool sandwich panels and so on.
sandwich plates have layers of different materials with different functions. For example, a three-in-one board for concrete for a roof, a foam insulation layer, and a surface waterproof layer. Sandwich panel is also a kind of sandwich board.

Advantages of sandwich panels:
1. heat insulation, good suction and sealing performance;
2. easy construction, flexible and quick installation, construction period can be shortened by more than 40%; 3. bright color, beautiful appearance, no need for surface decoration;
4. high strength Can be used for maintenance structure, load-bearing structure, bending resistance, general housing can be used without beams.

With the gear reducer, the production speed of this sandwich panel machine can be 4.27 m/min. After adoption of stepless frequency technology, the motor power 2.2 kw, it generates a pushing force directly and the speed is adjustable between 0-5.12m/min
The series machine adopts a miniature cycloidal-pin wheel reducer, the motor power 2.2kw-3kw, the production speed directly can be 3.38m/min. After adoption of stepless frequency technology, the motor power is adjustable between 0-4.05m/min.
The optimum production speed of plain EPS is around 2.5-3.5m/min, when the raw material is others, the speed could be lower. The assembly line is controlled by the inverter series synchronous controller. Stepless speed regulation, adjustable parameter, word display.

| The material of the core | foam or rock woll |
| Power | 25 KW |
| Speed | 0 - 5 m/min |
| Annual output | 6000000 m2 |