The features of tray folding carton

Tray folding carton means the depth is relatively small, and the bottom of the box load larger folding carton(compared to the tubular folding carton). When it is open, the contents range can be observed, in favor of consumers to select and purchase. Such cartons are mainly used for the packaging of commodities such as shoes, clothing, food and gifts.

The tray folding carton folded by a cardboard with right angle or oblique angles. The box body by two adjacent body panels (side panels) to the floor cross-line axis of rotation at an angle and forming respectively. Sometimes in the corner it need lock or laminated together. If you need this box template body panels can be extended to form the lid.

Unlike tubular folding carton, it is almost no structural changes in the bottom of the box, major structural changes are reflected in the location of the box body, its overall structure from the bottom of the box, side panels, flaps, cover and other components.

The most common tray folding cartons, such as a shoebox, the main structure types include the lid cover, roll cover, drawer cover, socket, locking etc.. the box forming includes fold assembly, side lock and box angle bonding 3 ways.

Throughout the structural characteristics of folding cartons, there has rotation axis in the molding process, the body panels rotate a certain angle to the intersection line of two adjacent body panels, molding, rotation angle (β)determination is a key factor in the structural design of folding carton. Set the end of the folding carton boxes (lid) adjacent to both sides of the forming angle of A, with α, the intersection line of the box body body panels and the forming angle of the bottom of the box edge, B, γ1 is, γ2 and said, the angle of rotation of the solution formula:

  β=360°-（α+∑γi）

In the formula Σγi are the axis of rotation at all forming angle B sum together.