Lean Six Sigma Blog

Operational excellence engineering is the engineering discipline of making a process run better, then keeping it that way. It applies data, root-cause analysis, and standard work to factories, supply chains, and software systems. The goal is fewer defects, shorter lead times, lower cost, and results that last after the improvement project ends. The term combines […]

The best Lean Six Sigma Green Belt certification online is the one your employer will recognize and your budget can carry. For the strongest name recognition, take an independent exam through ASQ. For academic weight, choose a university program. For a fast, cheap first credential, pick a self-paced course. For hands-on DMAIC practice and an […]

To work out how to calculate control limits, find the center line (the average of your process data), estimate sigma from within-subgroup variation, then set UCL = center line + 3σ and LCL = center line − 3σ. For individual readings, that becomes the mean ± 2.66 × the average moving range. For subgrouped data, […]

The core of process mapping best practices is simple. Set a narrow scope, map the process as it actually runs, use standard symbols, check the map with the people who do the work, and review it on a schedule. Follow those four steps and you end up with a map your team trusts instead of […]

The right Lean Six Sigma training near me depends on how you learn and who pays. If you want coaching and a mentored project, take a one-week in-person Green Belt. If you want a school’s name on your certificate, choose a college continuing-education program. If you want the lowest price and a flexible schedule, choose […]

A control plan is a written document that lists, for every step of a process, what to check, how to measure it, how often to sample, and what to do when a result falls outside limits. A solid control plan example manufacturing teams can borrow is a table with one row per characteristic and one […]

The best books on value stream mapping depend on the work you map. Start with Learning to See if you work in a plant. Choose Value Stream Mapping by Karen Martin and Mike Osterling for office, healthcare, or mixed teams. Pick The Complete Lean Enterprise for service and administrative flows. Read Seeing the Whole Value […]

The best operational excellence quotes are short, correctly attributed, and tied to a specific problem your team faces. Use Deming and Goldratt when you need to argue for data and better systems. Use Drucker and Ohno when you need to cut waste or question a process. Use Gerstner and Nadella when culture is the sticking […]

Manufacturing operational excellence is a management approach in which everyone in a plant works to remove waste, stabilize processes, and improve quality, delivery, cost, and safety as part of daily work. It is not a project with an end date. Operational excellence in manufacturing rests on a handful of principles, is usually organized into five […]

To run SAFe value stream mapping, work in four steps. First, identify your operational value streams. Second, identify the development value streams and Agile Release Trains that build the solutions behind them. Third, map the current state of one development stream, recording process time, wait time, and quality at each block. Fourth, find the longest […]