Week 1 Flashcards
Lean versus Six Sigma
Lean is more efficient, SixSigma is less defects.
Efficient and effective is both.
LEAN create flow and eliminate waste.
Acronym Downtime “D” is
Defects: mistakes, errors, flaws, etc. (not acceptable to customer)
Acronym dOwntime “O” is
Overproduction: providing sooner than needed or in greater quantity than needed. (father of all wastes because it leads to all others)
Acronym doWntime “W” is
Waiting; products are waiting to be worked on or information is waiting to be processed. (front office orders that wait).
Acronym dowNtime “N” is
Non-utilized talent: hiring someone overqualified or underqualified, not using someone on the team, subsidiarity. Using their hands and feet but not their minds.
Acronym downTime “T” is
Transportation: anytime something is moved without adding value. (can be confused with _____ ). Generally considered customer good or service, product or delivery, inventory item in transit.
Acronym downtIme “I” is
Inventory: could be physical piles of inventory (raw material, wip, finished goods) or data trying to work its way through the value stream.
Acronym downtiMe “M” is
Motion: walking, searching, bending, sorting or physically moving around. (generally considered employee time.
Acronym downtimE “E” is
Extra processing: duplication of effort, duplication of information, rework, redo, etc.
Picture of Continuous Process Improvement
Two circles, one “defects” one “slow” draw a line through both; neither are desirable states.
Lexus 1990’s phrase; states, “until we reach perfection we’re going to continue improving.
Lexus, “relentles pursuit of perfection.” You’re never done working to achieve perfection because one can always be better.
Nike to process contract manufacturers took 246 days, what did it change to and why?
Using Lean, it now takes 152 days. They deployed built-in quality, just-in-time techniques, operational sustainability, and cultural empowerment.
Nike views Lean helping employees in these 4 ways:
1) Factory leaders use lean to drive business performance.
2) workers are engaged and enabled to drive success,
3) factory processes are predictable AND agile in response to customer demand,
4) Lean engages the minds of those closest to the work to solve problems.
PDSA/PDCS stands for
Plan / Do / Study-check / Act: Plan: identify the need for change, Do: test the changes Study-check: analyze results, what's data telling us, is the change working? Act: adjust to what was learned
QA / QC quality assurance, quality control
Quality assurance (QA) is the management side of quality� It identifies weaknesses in the process� It evaluates the effectiveness of quality control (QC)� Quality control (QC) control charts track defects, variation.