液晶显示器外壳前面板设计.doc
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- 液晶显示器 外壳 面板 设计
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1、摘 要注射成型是热塑性塑料成型的主要方法之一,可以一次成型形状复杂的精密塑件。塑料模具的发展是随着塑料工业的发展而发展的。近年来,人们对各种设备和用品轻量化要求越来越高,这就为塑料制品提供了更为广阔的市场。本设计对“液晶显示器外壳前面板”进行研究和讨论,分析了其工艺特点,介绍其注射模具的工作过程,系统的阐述了液晶显示器前面板的注射模设计过程,并对模具的选材,模具的生产工艺也做了详细的介绍。本设计采用Pro/E的数值模拟技术和经验设计计算相结合的方法优化设计,仿真了塑料熔体在型腔内的充模流动以及冷却分析过程,合理的浇注系统和排溢系统,优化了工艺方案及工艺参数,降低了缺陷出现的可能性。利用参数化实
2、体造型的方法,为更加高速、快捷的造型、生产提供了一种切实可行的办法。0首先对电视机后罩塑料制件结构和成型工艺进行充分的分析,了解其整个成型过程,为模具设计提供参考数据,保证模具结构设计的合理性。设计中对注射模结构尺寸进行相关的计算,确定模具的最佳方案,并对主要零件结构设计进行相关的参数校核。本设计方案结构紧凑,满足制品大批量生产、高精度、外形复杂的要求,设计参考了以往注射模具的设计经验,并结合制件性能,简化设计机构,并且运用AutoCAD、Pro/E等软件进行二维和三维绘图,缩短了生产周期,获得良好的经济性能。关键词:液晶显示器前面板;塑料;塑料注射模;Pro/E的数值模拟Abstract T
3、he injection molding is one of thermoplastic formation main methods, may a formation shape complex model precisely. The plastic molds development is develops along with the plastics industry development. In recent years, the people were getting higher and higher request to lightweight of each kind o
4、f equipment and the thing, this has provided a broader market for the plastic products. This design is right “the LCD front panel” to conduct the research and the discussion, has analyzed its craft characteristic, introduced that its injection molds work process, systematized elaborated the design p
5、rocess of injection mold of LCD front panel, and introduced the mold material, mold production process have also done a detailed account. Using uses method optimization design which Pro/E the numerical simulation technology and the empirical design computation unifies, simulation plastic melt in die
6、 space sufficient mold flowing as well as cooling parsing process, the reasonable gating system and the platoon overflow the system, optimized the craft plan and the technological parameter, reduced the possibility which the flaw appears. The use of parameterized solid modeling method provides a pra
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