对注射成型中四种不同的v/p(射速/压力)转压方式的工艺性能进行了研究,以制品质量作为验证参数,同时考虑了模具温度的变化.研究发现,注塑制品质量重复精度的提高除了受到转压方式的影响还同相应转压方式下的工艺参数设定有关;制品质量的变化受模具温度的影响,常规转压方式下,制品质量随模具温度升高而降低,而模腔熔体温度转压方式下,制品质量反而有升高;模腔熔体温度转压方式可对制品质量进行控制;研究结果表明,以熔体温度为信号的转压控制方式不但具有可行性,甚至还可提高成型制品的质量重复精度.
参考文献
| [1] | Ming-Shyan Huang .Cavity pressure based grey prediction of the filling-to-packing switchover point for injection molding[J].Journal of Materials Processing Technology,2007(2/3):419-424. |
| [2] | Chen ZB;Turng LS;Wang KK .Adaptive online quality control for injection-molding by monitoring and controlling mold separation[J].Polymer engineering and science,2006(5):569-580. |
| [3] | Zhongbao Chen;Lih-Sheng Turng .Injection Molding Quality Control by Integrating Weight Feedback into a Cascade Closed-Loop Control System[J].Polymer engineering and science,2007(6):852-862. |
| [4] | Fung KT;Gao FR;Chen X .Application of a capacitive transducer for online part weight prediction and fault detection in injection molding[J].Polymer engineering and science,2007(4):347-353. |
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