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QualitiAmo - Stefania Moderatore

Registrato: 16/09/07 18:37 Messaggi: 26638
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Inviato: Lun Lug 06, 2009 12:54 pm Oggetto: Cosa sono DFSS e DMAIC? |
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Su Wealth method potete leggere un articolo dal titolo: "What Is DFSS And How Does It Compare To DMAIC ".
Questa è la versione tradotta in italiano con il traduttorea automatico di Google.
Most often it is the DMAIC methodology that is used and involves bringing about improvements in the existing systems Likewise, there are some organizations that are involved in constant innovation of new products and services
This is the core concept of DFSS - which stands for Design for Six Sigma The DFSS approach is one of designing a new product or service to achieve Six Sigma quality
What is DFSS?
The DMAIC methodology has universal acceptance DFSS is more focused on developing new products or redesigning them Development is mostly done from scratch, or may sometimes involve redesigning of a specific product You will find different definitions of DFSS for different organizations
DFSS is an approach more than a methodology The expected Six Sigma level is at least 4 5 (i e approximately 1 defect per thousand opportunities), but can be 6 depending upon the product A complete understanding of CTQ and customer needs is a must for achieving this level before designing and implementing such a product
DMADV stands for Define, Measure, Analyze, Design and Verify You will see that the DFSS and DMADV are very similar, wherein one may even call DMADV a methodology for implementing DFSS The Design phase is the only difference between DMAIC and DFSS Similar to DMAIC, the Define and Measure steps are followed by an Analyze phase
The Analyze phase differs in the DFSS methodology, as its focus is the critical assessment for the void between the new product and the criteria set The Voice of Customer is the basis of such analysis, and the criteria have been based on this data
Difference Between DFSS and DMAIC
Many experts are of the opinion that with similarities between Six Sigma and DFSS, DFSS can be called as a logical extension of Six Sigma Though this may be true, there are some differences between DMAIC and DFSS
The basic difference lies in the fact that DMAIC is a methodology that focuses on bringing about improvements to the existing products and services of the organization DFSS aims at designing a new defect free product or service to meet CTQ factors that will lead to customer satisfaction
DMAIC focuses on detecting and solving problems with existing products and services, while DFSS approach is that of preventing a problem
The benefits and savings of DMAIC are quickly quantifiable while those of the DFSS will be visible only in the long term It can be around six months or more before the result of a newly developed product is visible
One may say that DMAIC is based more on manufacturing or transactional processes, while DFSS encompasses marketing, research and design as well
DFSS brings about a huge change of roles in an organization The DFSS team is cross-functional, as the key factor is covering all aspects for the product from market research to process launch
Thus, DFSS provides tools to get the improvement process done efficiently and effectively It proves to be powerful management technique for projects It optimizes the design process so as to achieve the level of Six Sigma for the product
Tony Jacowski is a quality analyst for The MBA Journal. Aveta Solution's Six Sigma Online offers online six sigma training and certification classes for six sigma professionals including, lean six sigma, black belts, green belts, and yellow belts. |
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