April 06, 2007

WE DONOT NEED OUT OF CRISIS

How useful to design for reliability? How profitable to six sigma projects? if six sigma concerned with quality directly, is six sigma also relates reliability? IS it necessary for us to out of crisis?

From initially developed as an operational strategy to a competitive corporate strategy used extensively throughout the corporate world, Six Sigma is not a statistical oriented project driven approach but process and product quality improvement. It is about reducing defects and improving profitability. Since Projects are the means by which six Sigma converts quality improvements into bottom-line financial benefits, many of the top manufacturing companies implement thousands of Six Sigma projects such as Ford report completing as many as 10,000 projects ( Ford 2006).

However, not all Six Sigma projects produce bottom-line benefits; many produce only local improvements (Pyzdek, 2000) and about 20 per cent of projects are cancelled (Eckes, 2001).

In today??s competitive world, reliability of equipment is extremely important to maintain quality and delivery deadline (Saurabh Kumara, p1 jau.). Quality and reliability often appear together. Reliability is quality overtime. But reliability is an aspect of engineering uncertainty (O?? Connor, 2005, p3)

Design for reliability is deeper reliability area for a product design to meet customer requirement. It is common knowledge in many industries that a lot of problems, which show up in production and the use of products, find their roots in the design stage of these products (Stevens, 1993, p2). Because of the importance of the design, good design reliability during the design process is vital importance. Design evaluations and tests are also an important part of a quality control system.

Therefore, this is no doubt that Six Sigma projects and design for reliability are part of quality. They relate benefits, cost and product life circle. Athough Six Sigma and design for reliability can not guarantee zero failure in a product development process, it benefits to improve quality and reliability that fit of purpose for customer requirements in order to maximize reliability in use and minimize cost in product life cycle ultimately.

There are lots of tools canbe used for Six Sigma projects and design for reliability, but both of them can use Ishikawa (fishbone technique), or cause and effect diagram, which is named after its inventor Kaoru Ishikawa (1979, 1985), and is designed for group work. It is a useful method of identifying causes and provides a good reference point for
brainstorming. whatever Six Sigma projects or design for reliability will be, they need team work and projecrt implementation. However, the most important thing is that the only solution can happen is when the problmes are crrect identified.

To implement these projects , effective management is essential in six sigma and reliability. Without the project and reliability management, a company is not good enough to implement any techniques effectively. A really effective reliability function can exist only in an organization where the achievement of high reliability is recognized as part of the corporate strategy and is given top management attention (O?? Connor, 2005.p351).

From my point of view, it is true that six sigma and reliability can make product improvement. However, the risk environment can NOT be eliminated. Competition is still existing. Risk is everywhere. when someday no competition and risk at all , there will no product quality improvemmet anymore. The drive to push any company in progress is not because they are out of crisis and risk but becuase they are in a risk environment and advanced thinking better than others.

Somehow, the world is still in crisis, that is why human is developing continuously.

ps: I extend my quality thinking after I done the PMA, TRY TO COMBINED WITH THEM IN A WAY, BUT IF THEM ALL ABOUT QUALITY THEN MAKE THEM REACH THE SAME FINAL PURPOSE IS VITAL. AND KEEP appropriate CRISIS GOING IS ALWAYS A WORKING WAY TO IMPEL INDUSTRY DEVELOPMENT.


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  1. Hey Emily,

    Perhaps it would be better if all the world needed was a driving force to become better and better, instead of a crisis. However, I believe that a crisis can often push companies into adopting quick fixes, because they are on the verge of bankrupcy. Maybe a sense of urgency is more beneficial.

    11 Apr 2007, 19:07


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