This technical decision belongs to cardboard POS display cutting dies service scope. A display can have correct outer dimensions and still sag when flute direction conflicts with the load path. Die layout must balance material yield against the structural behaviour of each part.
Map how load travels through the display
Product weight travels from shelf to side panels and then to the base. A thicker board alone will not fix a weak lock or support in that chain. Calculate the total product count and weight for each shelf.
Do not rotate parts for yield alone
Rotating a part can improve sheet utilization while weakening flute orientation in a load-bearing panel. Body, shelf and support pieces do not necessarily need the same direction. Multipart tooling should preserve those differences.
Slots and creases change under load
Corrugated board compresses, changing slot clearance and crease behaviour. An overly tight connection crushes during assembly; an overly loose one can open under shelf load. Test with the real board close to the intended load.
Create a simple repeatable load test
Place the assembled display on a level surface, distribute product evenly and observe shelf deflection, lock opening and panel buckling at set intervals. Record the result with board specification and photographs.
Application note
Send assembled dimensions, product count per shelf and board grade so flute direction can be assessed with die layout.
- Use the current material and dimensions.
- Compare a clean sample with the defective sample.
- Record the decision with photographs and drawings.
