孙仲兴,刘 红.基于Moldflow的咖啡机盖注塑模具改进[J].轻工机械,2015,33(2): |
基于Moldflow的咖啡机盖注塑模具改进 |
Mould Improvement of Coffee Machine Cover Based on Moldflow |
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DOI:IO. 3969/j. issn. 1005 -2895. 2015. 02. 024 |
中文关键词: 注塑成型 Moldflow软件 浇口 充填 翘曲 |
英文关键词:injection molding Moldflow software gate filling warp |
基金项目: |
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中文摘要: |
某公司生产的一款咖啡机盖不良率较高,产品在使用一段时间后出现漆面起皱,甚至开裂变形等现象。为了能
全面分析咖啡机盖塑件,运用Moldflow软件对产品进行注塑成型过程模拟分析,对浇口、充填、保压、翘曲等方面进行重
点分析,找出了产品产生翘曲变形的原因:塑料熔体充填不平衡导致两端零件内应力过大,从而提出改进意见:改变浇口
位置,保证熔体充填均匀一致;并对塑件进行去应力处理,以进一步减小翘曲变形。 |
英文摘要: |
A coffee machine cover is produced by a company with high rejection rate. The surface of the product appears
wrinkles or even cracking. In order to analyze coffee cover plastic parts , the injection molding process of the product was
simulated by using Moldflow software. And the gate, filling, pressure maintaining, warping and other aspects were
analysed to find out the reason for the warpage of the product. Filling imbalance of plastics melt ends parts led to too
large internal stress. And some suggestions for improvement are put forward. The change of gate location ensure the melt
filling uniform. and stress deal for the plastic partsto reduce the warpage. |
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