How do you identify and eliminate waste and variation in your value stream?

1 What is Six Sigma?

Six Sigma is a methodology that aims to improve processes by reducing defects and variation. It is based on the idea that you can measure, analyze, improve, and control any process using data and tools. Six Sigma uses a five-step approach called DMAIC: Define, Measure, Analyze, Improve, and Control.

2 How to Define your value stream?

The first step of Six Sigma is to define your value stream, which is the sequence of activities that deliver value to your customer. You need to identify who your customer is, what their needs and expectations are, and how you can satisfy them. You also need to map out your current process, including inputs, outputs, resources, and stakeholders.

3 How to Measure your performance?

The second step of Six Sigma is to measure your performance, which is the ability of your process to meet your customer's requirements. You need to collect data on key metrics, such as cycle time, defect rate, customer satisfaction, and profitability. You also need to establish a baseline and a target for each metric, and calculate the gap between them.

4 How to Analyze the root causes?

The third step of Six Sigma is to analyze the root causes of waste and variation in your process. You need to use tools such as Pareto charts, fishbone diagrams, and hypothesis testing to identify the factors that affect your performance. You also need to prioritize the most significant and actionable causes, and verify them with data.

5 How to Improve your process?

The fourth step of Six Sigma is to improve your process by implementing solutions that address the root causes of waste and variation. You need to use tools such as brainstorming, benchmarking, and pilot testing to generate and evaluate ideas. You also need to plan and execute the changes, and monitor their impact on your performance.

6 How to Control your process?

The fifth and final step of Six Sigma is to control your process by ensuring that the improvements are sustained and standardized. You need to use tools such as control charts, checklists, and audits to monitor and maintain the quality of your process. You also need to document and communicate the results, and celebrate the achievements.

7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?