This solution executes the upper and lower sheets for the sandwich panels t the same time.
The upper sheet is almost always the same profile for walls (visible and hidden screw) and roof.
It has the possibility to quickly change width (PMD with mobile supports) and rapid change of ribbing (drawing).
In option cassettes.
Lower line, line for walls equal to the upper line with the possibility of changing cassettes for hidden screws (option n° 2 separate roll forming lines).
As regards the roll forming line for trapezoidal sheets, there is a motorized device to let the roof profile or wall profile enter the line.
As option there are double decoilers to change coil without stopping the line.