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Effect of polyethylene foam on dynamic cushioning energy absorption of paper corrugation tubes
Yanfeng Guo,Xuxiang Han,Yungang Fu,Shenghui Chen 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.4
The influence of the filled polyethylene foam on the cushioning energy absorption and impact resistance of the corrugation tube is analyzed through the axial drop impact experiment. Moreover, the compression deformation mode of the corrugation tube wall is predicted and experimentally verified. Results show that the X-direction tube has initial geometrical imperfections, which may reduce the initial impact force. The interaction between the polyethylene foam and the corrugation tube wall can improve the overall stability of the filled tube, and the structural stability of the double corrugation tube is the best. For the single tube, double tube, and single-filled tube, the volume (or mass) of the foam relative to the corrugation tube increases sequentially. The cushioning energy absorption of the paper corrugation tube is not improved, but the impact resistance is reinforced.