DfSS Support Services
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Design For Six Sigma (DFSS) is about getting it right in the first place so you don’t need to fix anything with DMAICT.
DFSS is the proven methodology that is used for the design of defect free products and processes that satisfy the customer profitably. It ensures that new products or processes are designed to deliver consistent performance that is robust against the unwanted sources of variation that will be experienced.
DFSS incorporates statistical methods to predict design performance, providing quantifiable confidence in the ability of the new product or process to consistently meet the customer requirements.
- Why do we need DFSS?
- How does DFSS fit with DMAICT Six Sigma?
- How does DFSS fit with other design methodologies?
- DFSS for product design (IDOVT) and transactional processes (DMADVT)
- Our experience in DFSS
- What we can offer
Why do we need DFSS ?
We need design methodologies like DFSS because we live in a complex world; new products and processes have many opportunities to ‘go wrong’.
If they go wrong, then DMAICT is needed to fix them – or a complete re-design becomes necessary.
This is too late and too costly.
DFSS provides a systematic proactive approach to design which is backed up with quantitative predictive design tools which lead to quantitative confidence in the performance of the new process or product prior to implementation.
For examples of new system (product/process) failures look around you . . .
Are you happy with the service you receive from your bank or goods suppliers?
Do you think that they have good customer-oriented systems in place?
Are you happy with your washing machine or cooker?
Do you find them easy to use, with good performance and reliability?
Do you find yourself frustrated by things which ‘ought to work’ but are clearly ‘not fit for purpose’ or things that you need 3 hands to use?
A number of high profile new IT system failures in the public sector have been well-documented by the media – millions of pounds spent on new computer systems which subsequently do not fulfil customer requirements.
There is no reason to believe that new process/system implementations are any better in the private sector either.
New cars have been re-called by manufacturers for safety concerns.
There are lots of other examples of things which don’t work to the satisfaction of their users when implemented from new.
Why the difficulty?
New process/system design requires:
- a lot of thought and careful planning up front.
- careful and comprehensive attention to customer needs.
- that customer needs are ‘flowed down’ (integrated) into the design and that this has been verified to be the case prior to implementation.
This is what DFSS helps you to do !
Getting it right – designing for the product/process life cycle
- Errors if left undetected will be built upon in subsequent activities – potentially making them harder to find and more costly to fix.
- DFSS focuses on doing more work up front but involving every function with a stake in the life cycle to ensure that the design captures and delivers all requirements.
How does DFSS fit with DMAICT Six Sigma ?
The cost of Errors
DMAICT or DFSS?
Integrated Six Sigma and DFSS Training Programme
This is an example of integrated Six Sigma/DFSS training programme that was tailored to suit a specific customer need – we can also customise a programme to suit your requirements.
Who does it? − The DFSS Roles
DFSS deployment is supported by a number of roles, which are entirely analogous with DMAICT Six Sigma.
The skill sets and people involved are different, however.
How does DFSS fit with other design methodologies ?
DFSS encompasses many other “Design” Approaches
DFSS works within the new product/process design infrastructure to produce a quality outcome
Generic New Product/Process Development Framework
DFSS for Product Design (IDOVT) & Transactional Processes (DMADVT)
DFSS Methodologies
Unlike the DMAICT methodology, the phases of DFSS have not been standardised since different organisations will define the phases and their outcomes to suit their needs.
The Six Sigma Group can work with you to build a DFSS strategy to meet your needs, whether you are using software simulation models or physical hardware to develop your designs.
The following pages illustrate the phases of two of the more common approaches to DFSS; IDOVT and DMADVT.
(It is less common to see a ‘T’ (Transfer) phase in the literature, but we strongly believe that benefits of DFSS are greatly enhanced by re-use of information generated during a DFSS project in a formalised fashion.)
DFSS for Products : IDOVT
Identify
Identification and interpretation of the customers’ requirements (Critical To Quality)
Design
Generation and selection of appropriate concept designs to meet customer requirements.
Optimise
Optimisation of design to achieve required performance and make it insensitive (Robust) to variation
Validate
Validation of design solution to ensure the “ilties” – reliability, producibility, maintainability etc.
Transfer
Transfer learning to future product designs
DFSS for Processes : DMADVT
Define
Define the project and process to be designed.
Measure
Measure customer requirements.
Analyse
Analyse potential designs for robustness and ability to satisfy customer requirements.
Design
Generate detailed design for chosen concept.
Verify
Validate that process meets requirements.
Transfer
Transfer learning to future process designs.
Our experience in DFSS
Why The Six Sigma Group for DFSS?
- We have helped a number of companies deploy DFSS in sectors such as aerospace, automotive, telecoms and electronics
- Rolls-Royce
- BAE Systems
- Cooper Standard
- Marconi
- Bookham
- Technologies
- e2v
- We have people who have “done it”.
- Our DFSS Support and Training has unique features and tools that come from our experience base.
What we can offer
The Six Sigma Group Route to Implementing DFSS
Six Sigma and DFSS Training Programmes
We offer a range of Six Sigma training programmes that can be tailored to suit your requirements, including:
- Six Sigma DMAICT training (Champion, Green Belt, Black Belt and Master Black Belt)
- Design for Six Sigma training (Champion, Black Belt, Master Black Belt)
- DMAICT and DFSS integrated training programmes as depicted below
If you would like more information on this Service, please fill out the form below
