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Web-page example: From Quality Digest By Thomas Pyzdek a consultant in Six Sigma. 1/html/sixsigma.html.

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Presentation on theme: "Web-page example: From Quality Digest By Thomas Pyzdek a consultant in Six Sigma. 1/html/sixsigma.html."— Presentation transcript:

1 Web-page example: From Quality Digest By Thomas Pyzdek a consultant in Six Sigma. http://www.qualitydigest.com/june0 1/html/sixsigma.html

2 Web-Page Example II Project was initiated by a group of senior leaders, After receiving numerous customer complaints. Pareto analysis on customer issues raised in the previous 12 months. Solder problems were the No. 1 problem for customers.

3 Web-Page Example III A program manager chosen Six Sigma team was formed A Master Black Belt provided technical leadership. The team began working through the design, measure, analyze, improve and control cycle. Defined critical-to-quality measures, Pareto analysis applied to the types of solder defects. A wave solder team was formed included a process engineer, machine operator, an inspector and a touch-up solder operator.

4 Web-Page Example IV A Black Belt providing training The team identified and assigned various tasks, data collection, creating "as is" and "should be" process maps Performed process audits.

5 Web-Page Example V Discovered: ‘Touch-up’ was performed before any data were collected. Because solder problems were routine, touch-up was considered part of the soldering process. There were 24 full-time personnel and four full-time inspectors assigned to touch-up. Most of the defects were touch-up defects, not wave solder defects. The equipment desperately needed maintenance. No preventive maintenance program was in place.

6 Web-Page Example VI Recommended several immediate changes: 1. Conduct inspection immediately after wave solder and before touch up. (Process Change! djs) 2. Use a control chart to analyze the results. 3. Perform a complete maintenance of the process.

7 Web-Page Example VII Defects dropped by 50 percent within a month Began DOEs DOEs revealed that the majority of prior assumptions were false sometimes the results were precisely the opposite of the accepted point of view. Significant quality and cost savings resulted as the new knowledge was used to modify procedures.

8 Web-Page Example VIII. Eventually defect rate in the area dropped by 1,000 percent over a period of 10 months. Productivity increased by 500 percent in terms of labor hours per board.


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