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What is Design of Experiments

Handbook of Research on Managerial Strategies for Achieving Optimal Performance in Industrial Processes
Powerful statistical tool for testing and identifying the optimum operating points or quality of manufactured parts in the shortest time possible.
Published in Chapter:
Factorial Design for Reduction of Variation on Plastic Parts Weight: Plastic Parts Weight and Injection Molding
María B. Becerra (Instituto Tecnológico de San Juan del Río, Mexico), Arturo Hernández (Universidad Politécnica de Querétaro, Mexico), Ángel A. Franco (Instituto Tecnológico de San Juan del Río, Mexico), José M. Zea (Universidad Politécnica de Querétaro, Mexico), and Roberto Zitzumbo (CIATEC, Mexico)
DOI: 10.4018/978-1-5225-0130-5.ch013
Abstract
This research aims to find the causes of weight variation of plastic products that cause a high cost and rework. The importance of using statistical control on the weight of plastic parts is presented; describing the type of machinery used to manufacture, considering the properties and applications of material as Acetal and conditions for injection molding operation, where a 24 factorial experimental design was used to find the variables which influence the weight of the product to maintain a stable process. An efficient solution was developed considering the variables of pressure and injection time to be highly significant in the weight of the plastic parts. Finally an optimal arrangement is generated for the plastic injection process which ensures a stable production process and ensures the quality of the product, which implies a reduction of costs and compliance with design specifications.
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More Results
Applications of Design of Experiments to Pharmaceutical Quality Control
Systematic, efficient method that enables scientists and engineers to study the relationship between multiple input variables and key output variables.
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The Design of Experiments as a Methodological Framework for the Improvement of Manufacturing Processes
Set of techniques, that do not expect the process to send the expected signals, but that it is “manipulated” to provide the information that is required for its improvement.
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E-Waste Recycling by Electrostatic Separation
Statistical design of experiments is a method of experiment planning which allows data collection appropriate statistical analysis in order to objectively and reliably conclusions.
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