文章摘要
乔杨,王军.缓冲包装设计引起的易损件移动现象的力学原理[J].包装工程,2017,38(21):74-78.
QIAO Yang,WANG Jun.Mechanical Principle of Quick-wear Parts Moving Phenomenon Caused by Cushioning Packaging Design[J].Packaging Engineering,2017,38(21):74-78.
缓冲包装设计引起的易损件移动现象的力学原理
Mechanical Principle of Quick-wear Parts Moving Phenomenon Caused by Cushioning Packaging Design
投稿时间:2017-08-05  修订日期:2017-11-10
DOI:
中文关键词: 易损件  脆值  Runge-Kutta法
英文关键词: quick-wear part  fragility  Runge-Kutta method
基金项目:
作者单位
乔杨 江南大学无锡 214122 
王军 1.江南大学无锡 2141222.江苏省先进食品装备制造技术重点实验室无锡 214122 
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中文摘要:
      目的 研究产品在物流运输搬运过程中易损件会发生转移的行为。方法 提出轻型小机电产品包装冲击动力学模型,建立基于2个易损件的产品冲击动力学方程,得到易损件的峰值加速度与刚度比的关系图,并且采用Runge-Kutta法进行数值求解,获取2个易损件在半正弦激励脉冲激励下的冲击时域响应、冲击谱和破损边界曲线。结果 产品在不同的刚度比下,各个部件出现损坏的先后顺序不同,谁先坏本质上取决于哪个部件的峰值加速度响应首先达到其脆值。结论 研究揭示了易损件随着冲击激励和包装材料特性发生移动的现象和本质原因。
英文摘要:
      The work aims to study the quick-wear part of products to be transferred during the logistics, transportation and handling processes. A package impact dynamic model of small lightweight electromechanical products was proposed and the product impact dynamic equation based on two quick-wear parts was established. The diagram of rela- tionship between the peak acceleration and the stiffness ratio of the quick-wear parts was obtained. Runge-Kutta method was used to make numeric solution. The impact time-domain response, shock spectrum and damage boundary curves of two quick-wear parts under impulsive excitation with semi-sinusoidal excitation were obtained. At different stiffness ratios of the product, the order of damage was different for each component. The part that was damaged first in nature depended on the peak acceleration of a component that first reached its fragility. The study reveals the phenomenon and the essential reason that the quick-wear parts are transferred with the impact excitation and the packaging material characteristics.
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