Corrugated gift boxes occupy an important position in the packaging industry due to their lightness, pressure resistance, and environmental protection. With the growing demand for high-end gift packaging in the global market, the forming process of corrugated gift boxes is also being optimized. This article will comprehensively analyze the forming process of corrugated gift boxes from material selection, production process to quality control.
Material selection and pretreatment
The core material of corrugated gift boxes is corrugated cardboard, and its structure consists of face paper, lining paper, and corrugated core paper in the middle. Face paper and lining paper are usually made of white cardboard or kraft paper to provide good printability and strength; corrugated core paper determines the compression resistance of the box. Common flute types include A flute, B flute, C flute, and E flute. Among them, E flute is often used in high-end gift boxes because of its thin and crisp characteristics.
Before forming, the cardboard needs to go through pre-processing processes such as slitting and die-cutting. Slitting cuts the large roll of cardboard into the required size, and die-cutting cuts the shape of the box according to the design pattern, and presses creases at specific positions to facilitate subsequent folding and forming.
Forming process flow
The forming of corrugated gift boxes is usually divided into the following steps:
Printing and surface treatment: The face paper is printed first, and offset printing, flexographic printing or digital printing technology can be used to meet different pattern and color requirements. After printing, the surface may be coated (glossy or matte), UV glazing or hot stamping to enhance the visual effect and wear resistance.
Die cutting and creasing: The printed face paper and unprinted lining paper are die cut separately to form the various parts of the box, such as the lid and the box body. The creasing process ensures clear folding lines for subsequent assembly.
Gluing and assembly: The corrugated core paper is glued to the face paper and lining paper to form a complete corrugated board. Subsequently, the board is folded according to the creases, and the edges are fixed with glue or rivets to complete the basic structure of the box.
Surface finishing: Some high-end gift boxes will undergo additional finishing, such as local UV, embossing or foiling, to enhance the sense of luxury.
Quality control and environmental protection trends
After forming, corrugated gift boxes must undergo strict quality inspections, including dimensional accuracy, compressive strength, printing clarity, etc. With the increasing awareness of environmental protection, more and more companies are using recyclable materials and water-based glue to reduce the impact on the environment.
The molding process of corrugated gift boxes combines traditional technology with modern innovation, which not only ensures the functionality of the packaging, but also meets the market's demand for beauty and environmental protection. In the future, with the popularization of digitalization and automation technology, the production of corrugated gift boxes will be more efficient and personalized.
