A Corrugated Box Machine is a large machine, made up of a series of smaller machines, that combines two different kinds of paper to create cut sheets of corrugated fiberboard. The flat, facing sheets are referred to as the liners, and the wave-like, fluted layers are known as the corrugating medium, or simply medium.
The corrugator takes large rolls of paper produced on paper machines, flutes the medium and glues it to the liners, one at a time, and delivers stacked, cut, and scored sheets of corrugated board to various converting machines. The converting machines convert the sheets of corrugated board into “box blanks,” which are ready to be made into boxes, and other corrugated board products.
Different types of Corrugated Box Machines are mainly used to produce corrugated boxes of different thicknesses.Corrugated shipping boxes are made of sheets of corrugated cardboard. Stacks of corrugated cardboard are trimmed, scored, and folded to create cartons of all shapes and sizes. Glue is applied to corners and folds for even greater stability.
Types of Corrugated Boxes
1.3 Ply Corrugated Box
This kind of corrugated box consists of a single sheet of a corrugated medium that is glued and placed between 2 sheets of liner board. This type of corrugated box has several uses in retail industries and as boxes for shipping.
2.5 Ply Corrugated Box
Double-walled corrugated boxes are made of a 2 layer of corrugated medium glued between 3 layers of liner board. Thus, it makes the box more rigid and is used for the packaging of heavy products or products those are more delicate. This kind of corrugated is largely used in the shipping of electronic items.
3.7 Ply Corrugated Box
This one is the strongest of all types of corrugated box made of 3 layers of corrugated medium and 4 layer of liner board. Triple wall corrugated boxes are normally used in packaging of industrial parts because of their durability and bigger burst strength.
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