2007
DOI: 10.1590/s0104-14282007000100007
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Estudo de caso de peça moldada pelo processo de injeção-compressão para termoplásticos utilizando análise computacional

Abstract: Resumo: O processamento de termoplásticos através do processo de injeção representa o principal método de fabricação de peças plásticas. Limitações do processo de injeção convencional, principalmente quanto à matéria-prima e configuração e funcionamento das máquinas disponíveis, tornam inviável a produção de produtos com grande área projetada e pequena espessura, como janelas automotivas e alguns tipos de lentes. Paralelamente, o processo de injeção evolui continuamente e há uma série de novas tecnologias gera… Show more

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Cited by 6 publications
(4 citation statements)
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“…In the pre-processing stage, the CAE software (or other mesh generating software) generates a bidimensional or tridimensional mesh to describe the mold and/or the part domains of the plastic molding process [3] . In the case of a bidimensional mesh, the quality of the mesh is related to the distribution of the elements along the surface and the homogeneity on its length.…”
Section: Mesh Generationmentioning
confidence: 99%
See 1 more Smart Citation
“…In the pre-processing stage, the CAE software (or other mesh generating software) generates a bidimensional or tridimensional mesh to describe the mold and/or the part domains of the plastic molding process [3] . In the case of a bidimensional mesh, the quality of the mesh is related to the distribution of the elements along the surface and the homogeneity on its length.…”
Section: Mesh Generationmentioning
confidence: 99%
“…In many cases, the outcome of the injection molding process is difficult to predict and the definition of the most suitable parameters is obtained empirically. Nowadays, computer-aided engineering (CAE) software can be used to assist the plastics industry, to reduce the costs and the cycle time and improving the product quality [1,2] by assisting in two of the production phases: i) Simulating the plastic product: In CAE, defects in the plastic parts, such as, welding lines and shrinkage, can be simulated [3] . CAE can also be used to detect critical regions with heat accumulation, sink marks, residual stress built-up and product warpage [4,5] .…”
Section: Introductionmentioning
confidence: 99%
“…O aperfeiçoamento de técnicas como o CAE, ou "Engenharia assistida por computador", que, em acordo com Kiam and Pereira (2007) é uma ferramenta de trabalho que utiliza o computador como suporte à engenharia e que auxilia o Homem no desenvolvimento de projetos, por meio de análises sustentadas em cálculos numéricos, estando assim na origem de protótipos virtuais dos produtos e dos seus processos de fabrico, permite a simulação do comportamento de materiais em condições reais de utilização [Kiam and Pereira 2007].…”
Section: Introdução E Revisão Bibliográficaunclassified
“…Studies such as [1] have shown that companies are increasingly searching for new technologies through graphic software (CAD) and simulation (CAE) to cut costs while adding quality and better performance in productions. For [2] the successful uses of CAD and CAE software exhibited that the designer can work on developing a product before its conception and improve the project at a low-cost. [3,4] as well as [1] define that CAE software executes a substantial amount of calculations in a downsized time.…”
Section: Introductionmentioning
confidence: 99%