Laser Die Cutting Machine - Flexible Packaging Layer Cutting Process You Never Knew (I)

Laser Die Cutting Machine鈥斺€擳he flexible packaging layer cutting process you have never known. Here we are mainly talking about the flexible packaging items that can be seen everywhere in the market, and almost all flexible packaging films are structures made of multiple layers of films, each layer of which is about 10 microns thick, and each layer has different functions, such as PET has high rigidity and good confidentiality; PE has good heat sealing and strong tear resistance; PP has good water vapor barrier performance; aluminum foil is often used for light blocking and sealing; paper can usually provide good protection for the film. This also tests the layer cutting process technology of the laser die cutting machine.

Laser layer cutting refers to selectively cutting a certain film layer without affecting the functions of other film layers. For example, micro-cutting a certain high-strength film layer can form an easy-to-open structure, but because the cut is very small, it does not affect the appearance of the package.

Although the methods of mechanically scratching or punching plastic films are fast and quite simple, neither method can distinguish different film layers. The results of mechanical scratching or mechanical punching are:

鈶營f the scratch depth is too small, even the mechanical layer of the film is not completely cut;

鈶f the scratch depth is too large, both the light-blocking layer and the water vapor-blocking layer are destroyed.

Therefore, people have been pursuing a reliable processing technology to make cutting more refined and more selective, and to choose to cut on different plastic film layers, and all of these have been achieved by laser die-cutting machines.