Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Estimation of the Compressive Strength of Corrugated Board Boxes with Shifted Creases on the Flaps

Version 1 : Received: 29 July 2021 / Approved: 30 July 2021 / Online: 30 July 2021 (09:08:44 CEST)

A peer-reviewed article of this Preprint also exists.

Mrówczyński, D.; Garbowski, T.; Knitter-Piątkowska, A. Estimation of the Compressive Strength of Corrugated Board Boxes with Shifted Creases on the Flaps. Materials 2021, 14, 5181. Mrówczyński, D.; Garbowski, T.; Knitter-Piątkowska, A. Estimation of the Compressive Strength of Corrugated Board Boxes with Shifted Creases on the Flaps. Materials 2021, 14, 5181.

Journal reference: Materials 2021, 14, 5181
DOI: 10.3390/ma14185181

Abstract

In the modern world, all manufacturers strive for the optimal design of their products. This general trend is recently also observed in the corrugated board packaging industry. Colorful prints on displays, perforations in shelf-ready-packaging and various types of ventilation holes in trays, although extremely important for ergonomic or functional reasons, weaken the strength of the box. To meet the requirements of customers and recipients, packaging manufacturers outdo each other in new ideas for the construction of their products. Often the aesthetic qualities of the product become more important than the attention to maintaining the standards of the load capacity of the packaging (which, apart from their attention-grabbing functions, are also intended to protect transported products). The particular flaps design (both top and bottom) and their influence on the strength of the box is investigated in this study. The updated analytical-numerical approach is used here to predict the strength of the packaging with various flap’s offsets. Experimental results indicated a significant decrease in the static load-bearing capacity of packaging in the case of shifted flap creases. The simulation model proposed in our previous work has been modified and updated to take into account also this effect. The results obtained by the model presented in the paper are in satisfactory agreement with the experimental data.

Keywords

corrugated board; box strength estimation; packaging flaps; crease line shifting

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