Tag Archives forSix Sigma

Why is 6 Sigma equal to 3.4 DPMO?

I have often been asked, why do we have 3.4 Defects Per Million Opportunities (DPMO) for a Six Sigma process? Before I talk about Six Sigma, let’s talk about the process control with plus-minus three sigmas. Historically processes were controlled in plus-minus three sigmas, and this was the basis of control charts. When you have […]

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DMAIC

DMAIC is a structured Six Sigma approach to process improvement. The DMAIC approach can be applied in any situation where a process has defined measurable results whether it’s manufacturing a specific products such as phones, table, chair etc. or services such as healthcare, designing, or hospitality etc. DMAIC process ​consists of 5 stages to improve […]

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Factors and Considerations in Selecting a Six Sigma Project

S​electing a project to apply Six Sigma methodology to is an important first step. There is no argument that Six Sigma is beneficial, yet the process also has a significant cost element. The project must be selected on factors that will justify the resource and time commitment (effort) vs the potential gain (result). ​Considerations​ResultDoes it […]

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4 Types of Teams

As a Six Sigma Black Belt, you will have to deal with teams. You will have a project team doing the project with you and you being the leader of that improvement project team. To perform that function of a team leader, you need to understand how teams work? What makes teams successful? How to […]

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4 Types of Team Roles

In a team, different individuals have different roles to play. Here are four roles for a team: Leader, Facilitator, Coach or a Member. All these are the components of a team, but remember that these need not be exclusive. A leader can act as a facilitator and a coach as well at different times. It’s […]

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Types of Customers and Customer Segmentation

Customer Types Broadly speaking, there are two types of customers:  internal customer and external customer. The concept of the internal customer was popularized by quality Guru Joseph Juran. In an organization, the next process is the customer. For example, if the first step is manufacturing parts and the second step is assembling these parts, then […]

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Continual Improvement Methodologies

Here is the list of commonly used methodologies or approaches for continual improvement. PDCA or PDSA cycle was developed by quality guru Walter Shewhart and was later, made famous by Dr. Deming and Dr. Juran. PDCA stands for Plan, Do, Check and Act. And PDSA stands for Plan, Do, Study and Act. You plan first, […]

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The Philosophy Behind Six Sigma

[vc_row][vc_column][vc_column_text] The Philosophy Behind Six Sigma: Six Sigma emphasizes the following four points: Know what is important to the customer. Whatever improvement project you are doing make sure that it is important to your external customer. Any improvement project should be aligned with the customer needs, expectation, or satisfaction. (critical to quality) Reduce defects. Six […]

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History of Six Sigma

The concept of Six Sigma was developed in 1987 by Motorola. Six Sigma is basically a packaging of a lot of quality tools. These quality tools were developed much before 1987. One of the tools which form the basis of Six Sigma is the Control Chart. Control Charts were developed way back in 1924 by […]

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Benefits of Six Sigma and Lean

Obviously, you can see that benefit of both of these, Six Sigma and Lean is to make the customer happy. Six Sigma generates sustained success. Anything which you have improved in the process is going to give you a repeated benefit. For example, if you reduce the defect rate today, over a number of years […]

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