The profit of ordinary cartons is getting lower and lower. With the increasing calls for replacing wood with paper and plastic with paper, many bosses who process ordinary cartons have switched to heavy-duty cartons. Heavy-duty cartons have been used in various industries due to their high load-bearing capacity, environmental protection, easy recycling, and reusability. They are mainly used in auto parts, new energy, batteries, glass, medical equipment, high-end instruments, dangerous goods, home appliances, furniture, funeral and other industries.
During the processing and forming of heavy-duty cartons, panel saws, thin-knife paper splitters, slotting and creasing machines, flattening machines, vertical nailing machines, horizontal nailing machines, carton proofing machines and printing machines are required. Let's talk about the specific usage process.

First, use a panel saw to cut the cardboard to the required height of the carton. The second step is to use a thin-knife paper splitter to cut to the required width of the carton and touch the part where the vertical corrugation needs to be crimped (the paper splitter is also called a paper splitting and creasing machine). The third step is to use a slotting and creasing machine to crimp the corrugated horizontally, and slot the part that needs to be slotted. The fourth step is to use a flattening machine to press the edge of the cardboard (one of the two pieces) that needs to be nailed to the box, so that the thickness of the cardboard is reduced by 4.5mm. The purpose of this is to prevent the paper from bursting when nailing. The fifth step is to use a vertical nailing machine to nail the carton into shape, because heavy-duty cartons have a large load capacity (especially AAA cartons and AA cartons, which can replace wooden boxes) generally do not need to be glued. The sixth step is to use a horizontal nailing machine if the carton enclosure is particularly high. The cardboard of the horizontal nailing machine can be extended indefinitely.





