Discussion on the Design and Performance of the Whole Packaging Box of Environmentally Friendly Packaging Materials

Table 3

Packaging layer and thickness distribution.

Area	Laying plan	Thickness/mm
Packing box siding	[±45/90]	5.382
Packing frame ribs	[45/03/−45/902]	3.978
Cover structure	[45/0/−45/90]3	8.424
Cover ribs	[±45/(03/45/903/−45)3]	7.956