| 桑秋枫， 王乾.塑料接线盒的型腔残余应力正交优化[J].轻工机械,2019,37(3):81-83 |
| 塑料接线盒的型腔残余应力正交优化 |
| Optimization of Residual Stress in Cavity of Plastic Junction Box Based on Orthogonal Test |
| |
| DOI：10.3969/j.issn.1005 2895.2019.03.016 |
| 中文关键词: 注塑模具 正交试验 残余应力 塑件强度 熔体温度 |
| 英文关键词:injection mold orthogonal test residual stress plastic parts strength melt temperature |
| 基金项目:江苏省“333工程”第三层次培养对象项目；2018年江苏省大学生实践创新训练计划项目（201813101018X）。 |
|
| 摘要点击次数: 1460 |
| 全文下载次数: 1130 |
| 中文摘要: |
| 由于塑料接线盒结构比较复杂，面上和侧边有多个小孔，对于注塑成型时熔体流动的阻碍改向较多，易产生较大的型腔内
残余应力，影响塑件强度。笔者设计了正交试验方案列表，并对每个方案组合进行了Moldflow分析，研究了模具温度、注射时间、保压时间、冷却时间、熔体温
度和保压压力6个参数对型腔残余应力的影响，找到了不同因素的影响力大小，合理进行了工艺参数组合的优化，找到了残余应力最小时的最佳工艺参数组合。
试验结果表明：正交试验可以针对试验指标结果进行某一注塑参数的精准优化，避免大量无序摸索，节省了注塑企业的时间和材料成本。 |
| 英文摘要: |
| The structure of the plastic junction box was complex with many small holes on the sides. There were many hindrances to the melt flow during
injection molding. It was easy to produce larger cavity residual stress affecting the strength of plastic parts. The list of scientific orthogonal test plans was designed. And each scheme
combination was analyzed by Moldflow. The influences of mold temperature，injection time，holding time，cooling time，melt temperature and holding pressure on the variation of
residual stress in cavity were studied. The influences of different factors were found. The combination of process parameters was reasonable optimized. The best technology parameters of
minimum residual stress were found. The test results show that the orthogonal test can be used to optimize the injection parameters accurately according to the test index，avoid a large
number of random exploration and save time and material cost of injection enterprises. |
| 查看全文 查看/发表评论 下载PDF阅读器 |
| 关闭 |
