Sunday, 11 December 2011

What is Quality?

You are told to be on quality when you deliver your customers the goods or Services they want and in the form they want them with their own requirements and conditions. Now, if Quality means to satisfy all our customer’s demands then is there any tool by which we can increase the quality of our products or services? So the answer is Yes we do have an extremely powerful Methodology called Six Sigma.

What is Six Sigma and why is it important?

Everyday we go to work and have a process of getting your work done and everyday there are changes of better ways of doing the work quicker and more efficiently. Quickness and efficiency equal a better product or service, a happier customer, and higher profits for your company.
It means there is always a possibility of improving our work quality, but we always need a tool to get through and improve the quality of our work. So, for the same purpose we can always use the Methodology Six Sigma.
Six Sigma is a highly controlled methodology. It demands that you choose only the very best projects that meet your company’s goals. And once they are chosen it demands that the proper resources are dedicated to it. It requires the project be put through an entire process called DMAIC (Define, Measure, Analyze, Improve, & Control).
Is it really worth it?
If given the dedication it deserves, you bet! There is a reason that Six Sigma is a household term nowadays. It’s all about the quality with Six Sigma. Everything that you do opens up the chances for an error to sneak in. The hope of Six Sigma is to lower those chances. Below find the breakdown and you can easily come to know what the importance Six Sigma keeps in improving the efficiency and quality of work.

·         2 sigma = 308,537
·         3 sigma = 67,000
·         4 sigma = 6,200
·         5 sigma = 233
·         6 sigma = 3.4

Seven Basic Quality Tools and importance

Cause-and-effect diagram (also called Ishikawa or fishbone chart): Identifies many possible causes for an effect or problem and sorts ideas into useful categories

Check sheet: A structured, prepared form for collecting and analyzing data; a generic tool that can be adapted for a wide variety of purposes

Control charts: Graphs used to study how a process changes over time

Histogram: The most commonly used graph for showing frequency distributions, or how often each different value in a set of data occurs

Pareto chart: Shows on a bar graph which factors are more significant

Scatter diagram: Graphs pairs of numerical data, one variable on each axis, to look for a relationship

Stratification: A technique that separates data gathered from a variety of sources so that patterns can be seen (some lists replace "stratification" with "flowchart" or "run chart”

What DMAIC and its importance

The DMAIC methodology is used to get a systematic solution for any problem after defining the same with logical analysis.
 D - Define a problem or improvement opportunity.

M - Measure process performance.

A  - Analyze the process to determine the root causes of poor performance; determine whether the process can be improved or should be redesigned.

I - Improve the process by attacking root causes.

C  - Control the improved process to hold the gains.