马瑞博,李燕华,牛美亮,戴隆翔,甄文军.电暖器包装结构优化仿真分析及试验验证[J].包装工程,2021,42(5):148-156.
MA Rui-bo,LI Yan-hua,NIU Mei-liang,DAI Long-xiang,ZHEN Wen-jun.Simulation Analysis and Test Verification of Packaging Structure Optimization of Electric Heater[J].Packaging Engineering,2021,42(5):148-156. |
| 电暖器包装结构优化仿真分析及试验验证 |
| Simulation Analysis and Test Verification of Packaging Structure Optimization of Electric Heater |
| 投稿时间：2020-06-17 |
| DOI：10.19554/j.cnki.1001-3563.2021.05.019 |
| 中文关键词: 电暖器 踩踏 有限元分析 结构优化 |
| 英文关键词: electric heater trample finite element analysis structural optimization |
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| 中文摘要: |
| 目的 基于有限元软件对运输条件下的电暖器包装件进行踩踏损伤分析和包装结构优化，解决运输环境下的电暖器发生踩踏损伤的问题。方法 依据售后问题对电暖器包装件进行踩踏试验，并基于Creo对电暖器和缓冲包装进行建模，利用有限元软件对产品包装件进行仿真分析，依据仿真结果对电暖器缓冲包装结构进行优化设计，最后对比优化前后的踩踏结果，并进行相关包装运输的测试试验，确保新的包装件符合包装运输的标准要求。结果 包装件原有的缓冲包装结构并未对产品起到保护作用，外罩发生了较大面积的应力集中，最大应力为304.5 MPa。优化包装结构后，新的缓冲结构承受了绝大部分的力，很好地保护了电暖器，满足各项包装运输试验测试的要求。结论 通过利用有限元软件进行包装结构优化设计，有效地解决了电暖器踩踏问题，合理优化了电暖器的缓冲包装结构，节省了新包装结构的开发时间。 |
| 英文摘要: |
| The work aims to conduct damage analysis and packaging structure optimization of the electric heater package under the transportation condition based on the finite element software to solve the problem of trampling damage on electric heaters in transportation environments. According to the after-sale problems, the trampling experiment of the electric heater package was analyzed, and the electric heater and buffer package were modeled based on Creo. The finite element software was used to simulate and analyze the product package. According to the simulation results, the buffer package structure of the electric heater was optimized. Finally, the trampling results before and after the optimization were compared and the relevant packaging and transportation test was carried out to ensure that the new package meets the requirements of packaging and transportation standard. The existing cushioning packaging structure of the package did not protect the product, and a large area of stress concentration occurred in the outer cover, with the maximum stress value of 304.5 MPa. After optimization of packaging structure, the new buffer structure bore most of the force, which well protected the electric heater and met the requirements of packaging and transportation test. Through the use of finite element software to optimize the design of packaging structure, the trampling problem of electric heater is effectively solved, the buffer packaging structure of electric heater is reasonably optimized, and the development time of new packaging structure is saved. |
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