Drop Simulation of Molded Pulp Cushion Pad of Chandelier Lampshade

TANG Jie, XIAO Sheng-ling, WANG Quan-liang,, LU Xin-zong

Packaging Engineering ›› 2017 ›› Issue (11) : 69-73.

Packaging Engineering ›› 2017 ›› Issue (11) : 69-73.

Drop Simulation of Molded Pulp Cushion Pad of Chandelier Lampshade

  • TANG Jie, XIAO Sheng-ling, WANG Quan-liang,, LU Xin-zong
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Abstract

The work aims to verify whether the molded pulp cushion pad has buffer performance and whether it can protect products from damage. Based on the assembling relationship between the chandelier lampshade and molded pulp cushion pad, by taking the drop impact as the environmental load, the simulation and analysis on dropping at the height of 1,000 mm were carried out by Ansys/LS-DYNA software. And dynamic characteristics, such as the stress-strain nephogram, acceleration response curve and so on, as well as the related parameters of the molded pulp cushion pad were obtained, based on which the role of chandelier lampshade' s molded pulp cushion pad in the whole dropping process was analyzed. The molded pulp cushion pad convex platform was subject to deformation and the force was diffused from the molded pulp cushion pad toward the lampshade. The acceleration of barycenter point was less than that of the lowest point of the entire model; the change in speed and displacement of the barycenter point and the lowest point of the entire model accorded with the actual situation. Molded pulp cushion pad absorbs external impact energy through the structural deformation and destruction, and extends the time of force application, so as to play a buffer role in effectively protecting the product in the logistics process.

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TANG Jie, XIAO Sheng-ling, WANG Quan-liang,, LU Xin-zong. Drop Simulation of Molded Pulp Cushion Pad of Chandelier Lampshade[J]. Packaging Engineering. 2017(11): 69-73

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