Drop Simulation and Experimental Verification of the Packaging System for Antique Bronze Square Cauldrons

LI Guozhi; WANG Jie; SUN Chenfan; LI Wenfeng

doi:10.19554/j.cnki.1001-3563.2026.03.031

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (3) : 289-297. DOI: 10.19554/j.cnki.1001-3563.2026.03.031

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Drop Simulation and Experimental Verification of the Packaging System for Antique Bronze Square Cauldrons

LI Guozhi^a,b,c, WANG Jie^a,b,c, SUN Chenfan^a,b,c, LI Wenfeng^d,*

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Abstract

The work aims to design a protective packaging system and verify its reliability, to address the risks of damage caused by transportation impacts and improper manual handling of large-scale antique bronze square cauldrons. Firstly, the modern packaging design methodology based on Finite Element Analysis was adopted, and the critical fragility value of the square cauldron was determined via transient dynamics simulation. Secondly, an innovative "Cauldron- Cushion-Backplate" integrated load-bearing structure was proposed. This design utilized a backplate with bosses to suspend the fragile feet and integrated the inner cushioning with the transport base into a pre-assembled module, thereby minimizing manual contact risks during packing. Finally, Creo was employed to construct the packaging model and drop simulations (face, edge, and corner) were conducted through Workbench, and validated by physical drop tests. The integrated structure effectively mitigated the risk of damage caused by manual contact during handling. At a 300 mm drop height, the maximum response acceleration of the product was 31.2g, which was significantly lower than the critical fragility value of 83.2. The packaging system remained intact, and the square cauldron sustained no deformation or damage. The proposed "Cauldron-Cushion-Backplate" integrated load-bearing structure exhibits excellent cushioning performance. It effectively reduces operational risks and optimizes the packaging process, providing a reference for logistics packaging solutions for cultural artifacts.

Key words

antique bronze square cauldron / cushioning packaging system / drop simulation / drop test

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LI Guozhi, WANG Jie, SUN Chenfan, LI Wenfeng. Drop Simulation and Experimental Verification of the Packaging System for Antique Bronze Square Cauldrons[J]. Packaging Engineering. 2026, 47(3): 289-297 https://doi.org/10.19554/j.cnki.1001-3563.2026.03.031

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