注射压缩成型的CAE三维模拟分析
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摘要
以透明的楔形导光板为分析实例,采用真实三维CAE模流分析技术对注射压缩成型过程进行了模拟,直观预测了楔形导光板的充填压力分布、残余应力分布、熔体流动前沿处的温度分布以及缩痕分布等结果,并与传统注射成型的分析结果进行了详细的比较和分析。结果表明:与传统注射成型相比,注射压缩成型在加工过程中压力较低且分布较为均匀、残余应力更低、温度分布更加均匀,而缩痕分布则相差不大,因此更有可能成型出更好品质的透明制品,为实际的注射压缩成型模具设计及工艺参数设置提供了可靠的参考依据。
With the transparent wedge light guide plate as an example,process of injection compression molding was simulated by using true 3D CAE technology,filling pressure distribution,residual stress distribution,temperature at flow front distribution and sink index distribution of WLGP were predicted intuitively,detailed comparison and analysis of results were compared with those of conventional injection molding. The results showed that the ICM provided lower and uniform pressure,lower residual stress and uniform temperature than CIM,which meant a better quality from ICM application was performed more possible than CIM,reliable reference basis were provided for the actual ICM mold design and process parameter settings.
With the transparent wedge light guide plate as an example,process of injection compression molding was simulated by using true 3D CAE technology,filling pressure distribution,residual stress distribution,temperature at flow front distribution and sink index distribution of WLGP were predicted intuitively,detailed comparison and analysis of results were compared with those of conventional injection molding. The results showed that the ICM provided lower and uniform pressure,lower residual stress and uniform temperature than CIM,which meant a better quality from ICM application was performed more possible than CIM,reliable reference basis were provided for the actual ICM mold design and process parameter settings.
引文
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[3]王金水,蔡伟,吕文果,等.基于Moldflow的汽车外饰件注塑模拟与成型缺陷分析[J].塑料,2013,42(2):118-120.
[4]许菲.注射压缩精密成型原理研究[D].北京:北京化工大学,2010.
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[6]陈燕春,何文翰,区仲荣.注射压缩成型技术在塑料光学透镜生产中的应用[J].制造技术与机床,2010(2):159-161.
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[8]陈宇宏.大尺寸透明件注射成型技术的研究进展[J].工程塑料应用,2007,35(9):72-75.
[9]陈智勇.Moldflow6.1注塑成型从入门到精通[M].北京:电子工业出版社,2009.
[10]王刚,单岩.Moldflow模具分析应该实例[M].北京:清华大学出版社,2005.
[11]申长雨.塑料模具计算机辅助工程[M].郑州:河南科学技术出版社,1998.
[12]申长雨,李海梅.塑料模具CAE技术概况及发展趋势[J].工程塑料应用,2001(2):40-43.
[13]宋光明,张君,董定福.基于CAE技术的注塑成型保压过程模拟分析[J].轻工机械,2003:(3):84-86.
[14]李小林,洪剑城.Moldflow在注射压缩成型中的应用[J].工程塑料应用,2012,40(3):49-52.
[15]丁建波,曹将栋.基于Moldflow的复杂产品注塑成型数值模拟[J].塑料,2013,42(1):97-100.
[16]谢春稳,王克俭.变厚度透镜注射压缩成型的三维数值模拟[J].高分子材料科学与工程,2013,29(3):167-173.
[17]李毅超,张宜生,李德群.透明塑料板件注射-压缩成型模拟研究[J].航空材料学报,2011,21(3):76-80.