notizie sull'azienda Corrugated cardboard box process: tell you more knowledge

In our daily lives, corrugated cardboard boxes are a common packaging material used for everything from huge household appliances to expedited goods. In reality, its manufacturing technique is a useful technology that blends automated production, structural engineering, and materials science.
The following steps comprise the entire corrugated cardboard box production process, from raw materials to completed goods:
1. The raw material is made of corrugated cardboard.
Corrugated cardboard, which has three fundamental components, is the main component of corrugated cardboard boxes:
Box board paper: flat, smooth, and found on the innermost and outermost layers, it offers impact resistance and a printing surface.
Corrugated core paper: The cardboard box's central structure is made of corrugated paper, which is heated and compressed to create a wavy shape. Similar to an arch bridge, this wave-shaped construction offers good compressive and buffering capability while distributing vertical pressure.
Adhesive: Strong and environmentally friendly, corn starch adhesive is typically utilized.
Corrugated cardboard is classified into many models based on the density and height of the wavy pattern; the most popular form is:
A flute: The highest and most effective buffering.
B flute: more dense, flat, and resistant to pressure.
C flute: Excellent overall performance, somewhere between A and B.
E flute: The thinnest and thinnest, frequently used for color-printed packaging (like phone cases) or fragile small gadgets.

2. Manufacturing of corrugated cardboard
Converting the raw paper into a flat, compression-resistant cardboard is the most important stage. The primary processes in this process, which is carried out on a high-speed corrugated cardboard production line, are:
Preheating: To regulate moisture and guarantee stable shaping in the future, feed the roll-shaped raw paper (box board paper and core paper) into the machine.
Rolling corrugated: Two heated corrugated rollers press the core paper into predetermined wavy patterns.
Glue application and bonding: Adhere the corrugated peaks to the inner and outer paper by applying glue to them.
Molding and cooling: After the glue has dried, the cardboard is shaped using a hot plate and a conveyor belt with a cold end.
Vertical and horizontal cutting: Depending on the specifications of the order, cut wide continuous cardboard into rectangular pieces of a given size.
We currently receive huge, flat corrugated cardboard that is ready to move on to the next step.

3.Printing and slotting
A printing die-cutting machine or printing slotting machine is required to convert huge cardboard into foldable cardboard boxes. This procedure combines several steps:
printing
The most used technique for printing cardboard boxes is flexographic printing. Water-based ink (quick drying, eco-friendly) can be transferred through a mesh roller using rubber or resin plates. Text, lines, and basic color block designs can all be printed with it.
Offset printing: Offset printing is typically employed initially when printing high-precision color patterns (like supermarket display boxes), after which the printed paper is put on corrugated cardboard.
Slot: To create the four rocking covers (upper and lower covers) of the box during future folding, cut V- or U-shaped slots at the cardboard's edge.
Indentation: Press crease lines onto cardboard using a mold. This stage is essential because accurate indentation guarantees that the cardboard box can be molded and folded smoothly on the automated packing process.
Punching/buttoning: Open handle holes or ventilation holes, depending on the specifications.
Die-cutting machines are typically utilized for small batch orders or unusual boxes. Using a wooden board knife mold created in accordance with the pattern and stamping intricate shapes and indentations all at once is similar to baking cookies.

4. Forming and Bonding
Once the slotted cardboard has been printed, it must be fastened into a box one piece at a time:
Nail box: Secure the cardboard box's seams with galvanized flat iron wire. High strength, quick speed, and suitability for heavy-duty packaging are the benefits; the wire head's potential to corrode or scrape the interior is a drawback.
Adhesive box: To seal the seams, use eco-friendly white latex. The benefits include a smooth look, no harm to the contents, and storage space savings. Automatic box gluing machines, which are incredibly efficient, are already widely used in large cardboard box companies.
Packing: To make delivery to customers easier, flatten the produced cardboard boxes and use a packing machine to bundle them into stacks.

In order to produce corrugated cardboard boxes, flexible paper must first be physically deformed (corrugated rolling) to gain rigidity. This is followed by mechanical processing (die-cutting, indentation) that gives the paper geometric logic (folding forming). In addition to being a packaging container, it has a traditional design that is inexpensive, standardized, and recyclable in contemporary logistics systems.