文章摘要
何军乐,薛飞,张炜.EPE隔振系统对车载运输物品易损件响应的影响[J].包装工程,2015,36(19):13-17,22.
HE Jun-le,XUE Fei,ZHANG Wei.Effect of EPE Vibration Isolation System on Response of the Critical Component of a Vehicle Transport Goods[J].Packaging Engineering,2015,36(19):13-17,22.
EPE隔振系统对车载运输物品易损件响应的影响
Effect of EPE Vibration Isolation System on Response of the Critical Component of a Vehicle Transport Goods
投稿时间:2015-05-05  修订日期:2015-10-10
DOI:
中文关键词: 易损件  EPE  本构模型  隔振
英文关键词: critical component  EPE  constitutive model  vibration isolation
基金项目:浙江省自然科学基金 (LY16A020004)
作者单位
何军乐 太原科技大学太原 030024 
薛飞 杭州海控电气科技有限公司杭州 310000 
张炜 浙江大学宁波理工学院宁波 315100 
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中文摘要:
      目的 研究EPE的相关振动特性, 以作为包装隔振设计的参照指标之一。方法 建立EPE隔振粘弹性数学模型, 然后建立1/4车辆运输模型条件下的含易损件的二自由度非线性产品包装系统模型, 研究线弹性易损件与EPE耦合后的振动特性, 研究破损边界上方区域内衬垫面积、 厚度及其比值对易损件加速度分布特性的影响。结果 随着EPE隔振衬垫的面积和厚度的增大, 易损件加速度呈现先降低后小幅度波动的趋势。结论 提出了综合评价隔振设计的经济性和安全性概念, 引入了系数λ表征隔振衬垫的经济性和易损件安全性问题。
英文摘要:
      This study aimed to examine the vibration characteristics of EPE and use it as a reference index for packaging vibration-isolation design. The paper built an EPE viscoelastic mathematic model, and then a nonlinear packaging model with two degree of freedom containing a critical component based on quarter transport vehicle. The vibration characteristics coupling the linear elastic critical component and viscoelastic EPE was studied. The effects of area and thickness of an EPE cushion above the damaged boundary on the acceleration distribution were discussed. The results showed that the acceleration response of the critical component was influenced by the area and the thickness of EPE cushion. With increasing area and thickness of EPE cushion, the acceleration decreased firstly, and then fluctuated within a small range. In conclusion, the economy and safety concepts were proposed to comprehensively evaluate the vibration-isolation design, and the parameter λ was introduced to characterize the economical efficiency of the EPE cushion and the safety of the critical component.
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