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Philip Mayfield Principal SigmaZone

Training, Coaching, and Case Studies

Articles/Case studies

Family Vacations and QFD

Many people who have heard of QFD (Quality Function Deployment) would like to understand more about this powerful tool. This article serves as an introduction to the basics to get you started. read full article


Introduction to FMEA

I was suspended approximately 200 feet above a ravine when the thought occurred to me. Had the engineer(s) of the Gondola Lift that my family and I were currently occupying used Failure Modes and Effects Analysis (FMEA) when designing the lift? read full article

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Training and Consulting

Our trainers and consultants have helped numerous Fortune 500 Clients with their QFD, FMEA, DFSS, and Six Sigma training. Our innovative exercises keep classes interested and engaged. Let us help you with your training needs.


For more information contact sales@sigmazone.com.

QFD For Product Development (1.5 Days)

A 1.5 day course targeted to marketing and design engineers developing new products. Courses are usually taught on site with 20-25 participants. Training materials are provided.

  • Obtaining requirements - going beyond the spoken to obtain the VOC
  • Voice of the Business and Additional Product Requirements
  • Kano's Model and the impact on requirements gathering
  • Rank ordering customer requirements
  • Identifying measureable Critical to Quality Requirements (CTQs)
  • Mapping the VOC to Critical To Quality Requirements (CTQs)

QFD For Process Development (1.5 Days)

A 1.5 day course targeted to knowledge workers developing new processes. Courses are usually taught on site with 20-25 participants. Training materials are provided.

  • Obtaining requirements - going beyond the spoken to obtain the VOC
  • Voice of the Business and Additional Process Requirements
  • Kano's Model and the impact on requirements gathering
  • Rank ordering customer requirements
  • Identifying measureable Critical to Quality Requirements (CTQs)
  • Mapping the VOC to Critical To Quality Requirements (CTQs)
  • Mapping CTQs to Critical Process Variables