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| Case-Study 1 - Example: In a company of Building Materials. |
In
a Company of building
materials you want to analyse prospective preventive behaviour of a set of indicators of the
production process Tile bilayers in order to identify historical trends
and possible outcomes over the next productive periods. To test if the data is a time series or not, I used Statgraphics Centurion XV, on which the option Descriptive Time Series method, gives the possibility to apply...
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Key Words: Process Capability, Statistical Process Control, Process sigma level, defects per million opportunities. Minitab |
| In the company "Marco Polo" there have been problems of damage to containers of powdered milk during inventory management operations. Also causing problems with customers due to the delivery of these products. For this company has a defect level that reaches 25,777 defects per million opportunities....... ..... Here is a typical example of one of the main contradictions in business,  increase production capacity or increase capacity in terms of quality |
Case 3- Quality improvement of cans for canned food |
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Suppliers Selection, Process Capability, Statistical Process control, Sigma Level of Process, Defect per Million of Opportunities, DMAIC A company is receiving a lot of complaints about the quality of products supplied, most of them around the sealed parts and nicks on the body. 
For that reason the factory will employ the Six Sigma DMAIC procedure in order to find and eliminate the principal root cause of the problem.
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English |
2010. A Continuous Improvement Approach: Closing the Loop in an engineering, procurement, and construction management environment.  Performance Improvement Journal (ISSN: 1090-8811). International Society for Performance Improvement(ISPI). August, 2010 |
2010. Santana. Roberto, "AXIS: A Continuous improvement tool",
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2009. A Continual Improvement Approach in the Engineering Construction Business.
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Spanish |
| 2005. "A Quality of Services Assessment using multivariate techniques", Marketing Research (ISSN: 1131-6144) Nº. 88. Referenced in:
Research & Marketing Magazine: http://www.aedemo.es/aedemo3/socios/revista88/ad-88-05.pdf NOTE: The last one, is a paper that I published in Spanish, in 2003, in a scientific renowned Spanish magazine, as part of my PhD studies (I changed my professional interest, and did not finished it). I decided to put it here because of the multivariate techniques that were applied. They are very useful in Quality of Services activities, due to the great amount of variables involved. |
A Continuous Improvement Approach: Closing the Loop in an engineering, procurement, and construction management environment.
2010. Santana. Roberto, "AXIS: A Continuous improvement tool", Quality Progress (ISSN: 0033-524X), January, 2010.
(By Author: Roberto Santana-Vizcaino)