Case Studies
Some real-world examples of how manufacturers are using quality tools and processes to improve their work and the bottom line.
Six Sigma Green, Black Belts Help Manufacturer Save Nearly $1.5 Million (PDF, 115 KB)
Green Belt efforts have resulted in hard savings of $1.2 million for Crown Equipment Corporation. Black Belt efforts have brought $285,000 in hard savings, with more expected as projects proceed further.
July 2008.
At Genzyme, Training and Documentation Take Center Stage (PDF, 145 KB)
Genzyme Corporation’s associate director of training and documentation relies on best practices sharing, knowledge mapping, and networking to help accomplish his primary job-related responsibilities: communicate, analyze, and act. The skills he developed as a quality auditor and the knowledge he gained from the certification process have remained applicable to the world of training and documentation.
May 2008.
It All Ties Together (PDF, 541 KB)
A locomotive company refused to sit idly by, knowing a significant amount of diesel fuel was being wasted. Using quality tools, a company team found a way to conserve fuel and save millions of dollars. The team earned the Bronze Award at the 2007 International Team Excellence Competition.
May 2008.
Pall Corporation: A Profile in “Process Excellence”
Pall Corporation’s “Process Excellence” combines lean, Six Sigma, dashboard metrics, and team involvement. This combination ensures improvement efforts are aligned with business imperatives and contributes to a culture of accountability.
April 2008.
Quality Tools, Teamwork Lead Boeing Team to a System Redesign (PDF, 191 KB)
A team from Boeing, as well as members of the Air Force and suppliers, worked to fix the C-17's inert gas generating system that previously needed constant repairs. The outcome was a 7,400% increase in system reliability and reduced initialization time. The group was one of three teams to earn a silver medal in the 2007 International Team Excellence Competition.
November 2007.
The Bug and the Slurry: Bacterial Control in Aqueous Products (PDF, 110 KB)
When a customer reported a problem using polycrystalline diamond (PCD) slurry supplied by Warren/Amplex, collaborative teamwork uncovered the source and led to a solution within 72 hours. Understanding recent changes not only in customer requirements but also in customer processes proved to be key to the solution.
September 2007.
Agricultural Firms Gain Competitive Edge With USDA’s ISO 9001-Based Verification Program (PDF, 528 KB)
The U.S. Department of Agriculture’s Process Verified Program uses the ISO 9001:2000 standard to evaluate the quality management systems of agricultural businesses.
August 2007.
It’s in the Genes at Cummins (PDF, 132 KB)
Leveraging Six Sigma methods and tools, the Indiana based diesel maker successfully completed an HR project involving a labor union.
Quality Progress, April 2007.
ISM Makes the Business Case for Social Responsibility (PDF, 119 KB)
The Institute for Supply ManagementTM (ISM) shares research and tools to educate supply professionals about the social, financial and ethical benefits of socially responsible behavior. This case study includes ISM’s Principles of Social Responsibility.
March 2007.
Siemens VDO Optimizes Processes Using Six Sigma (PDF, 185 KB)
Six Sigma is one of five pillars supporting the Siemens VDO quality strategy. The company earned global recognition for its use of Six Sigma when one project team earned the Bronze Award in the 2006 International Team Excellence Award competition.
February 2007.
You Can Go Home Again (PDF, 138 KB)
The former chairman and CEO of Corning came out of retirement to turn around the company by focusing on quality, values and Six Sigma’s DMAIC process.
Quality Progress, January 2007.
Cummins Inc. Saves Nearly $1 Billion with Six Sigma
September 2006.
Using Cost of Quality to Improve Business Results (PDF, 260 KB)
Since centering improvement efforts on cost of quality, CRC Industries has reduced failure dollars as a percentage of sales and saved hundreds of thousands of dollars.
April 2006.
Next Level Leadership (PDF, 146 KB)
Texas Nameplate Co. is the first small business to receive the Malcolm Baldrige National Quality Award twice.
August 2005.
A Recipe for Excellence (PDF, 265 KB)
The Bama Companies’ sales increased 70%—from $120 million in 1999 to more than $200 million in 2004.
June 2005.
Six Sigma's Power to Save: A DMAIC Project Reduces Energy Consumption for Visible Savings
A Six Sigma DMAIC project reduced energy consumption levels by 28% and achieved yearly savings of US $122,200 at a radiator manufacturing plant in Pune, India.
Six Sigma Forum Web Site, January 2005.
Project Leads to $1.65 Million in Annual Savings (PDF, 286 KB)
Improvement needed to meet rising demand for galvanized coils.
Six Sigma Forum Magazine, November 2004.
Stoner: Built on a Strong Foundation (PDF, 297 KB)
The implementation of Baldrige business criteria helped Stoner Inc. achieve a 400% growth in sales since 1990.
August 2004.
Six Sigma: The Critical Link between Process Improvements and Business Results (PDF, 382 KB)
A delivery improvement case study from Pune, India, demonstrates how Six Sigma's focus on the relationships among a project's business Y, customer Y, process Y and inputs (Xs) can achieve breakthrough results.
Six Sigma Forum Web Site, October 2003.
Improving Customer Satisfaction through Six Sigma: A Paint Shop Case Study
A paint shop in Pune, India, achieved a fourfold improvement in quality levels in this four-month Six Sigma project.
February 2003.
The Honeywell Experience (PDF, 60 KB)
In 2002, Honeywell International Inc. had $1.2 billion in productivity improvement gains, a sizable portion of which came from its Six Sigma Plus initiative.
February 2003.
Process Improvement at BOC Edwards (PDF, 77 KB)
This electronic gas filling facility used Six Sigma to reduce costs and improve quality.
February 2003.
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