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Master's Dissertation
DOI
10.11606/D.18.2002.tde-18112002-090421
Document
Author
Full name
Edwin Vladimir Cardoza Galdámez
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2002
Supervisor
Committee
Carpinetti, Luiz Cesar Ribeiro (President)
Costa, Antonio Fernando Branco
Nagano, Marcelo Seido
Title in Portuguese
Aplicação das técnicas de planejamento e análise de experimentos na melhoria da qualidade de um processo de fabricação de produtos plásticos.
Keywords in Portuguese
experimentos industriais
fatoriais fracionados '2POT. K-P'
metodologia de superfície de resposta
processo de moldagem por injeção plástica
Abstract in Portuguese
Experimentos industriais são realizados pelas empresas no intuito de melhorar as características de qualidade dos produtos e processos de fabricação. Nesse sentido, esta dissertação tem como objetivo estudar e aplicar as técnicas de planejamento e análise de experimentos na melhoria da qualidade industrial. Como parte do objetivo, desenvolve-se uma aplicação com as técnicas de planejamento fatorial fracionado '2POT. K-P', metodologia de superfície de resposta e análise de variância, em um processo de moldagem por injeção, utilizado por uma indústria que fabrica e comercializa componentes plásticos usados na construção civil. Com essa pesquisa experimental identificam-se os parâmetros mais importantes da injeção plástica: temperatura da máquina e pressão de injeção. Ao mesmo tempo, determinam-se os níveis ótimos de regulagem desses parâmetros. Assim, com esse estudo, avalia-se o procedimento de implantação das técnicas de experimentação e as dificuldades práticas encontradas, bem como busca-se contribuir na integração entre universidade e empresa.
Title in English
Application design of experiments in the injection molding process.
Keywords in English
factorial fractional '2POT. K-P'
industrial experiments
injection molding process
response surface methodology
Abstract in English
Industrial experiments are made by companies in order to improve the quality characteristics of products and production processes. In this sense, the objective of this dissertation is to study and apply the design of experiments in the industrial quality improvement. In addition, as a part of the objective, an application of the techniques of design Fractional Factorial '2POT. K-P', Analysis of Variance and Response Surface Methodology is done. It is focused in an injection molding process applied by a company, that makes and trades plastic products for the civil construction. Using this experimental study, the most important parameters of plastic injection are identified: melt temperature and injection pressure. At the same time, the optimal levels of adjustment of these parameters are determined. From this study, it is evaluated both the implantation procedures of the designs of experiments as well as the difficulties faced. Also, this study tries to contribute to the university-company relationship.
 
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Galdamez.pdf (998.24 Kbytes)
Publishing Date
2003-03-27
 
WARNING: The material described below relates to works resulting from this thesis or dissertation. The contents of these works are the author's responsibility.
  • LIMA, Rafael Palma, et al. Proposal of a performance management model for industrial clusters: theoretical model and a case study. In Industrial Engineering Research Conference - IERC 2010, Cancun - México, 2010. Annals of the Industrial Engineering Research Conference - IERC 2010., 2010.
All rights of the thesis/dissertation are from the authors
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