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Belt 1 of 4 · Awareness

White Belt

Foundational vocabulary for Lean Manufacturing and Six Sigma — understand the language of continuous improvement without owning a project yet.

What this belt means

Role & typical depth

White Belt is awareness training. You learn what Lean and Six Sigma are, why factories care about waste and variation, and how to talk about value from the customer’s point of view.

You typically do not lead projects, run stats software, or own a DMAIC charter. You participate in 5S, spot obvious waste, support team huddles, and recognize when a problem belongs in a formal improvement cycle.

In an Austin factory / Toyota-training context: White Belt is the shared baseline so trainers, operators, and support staff use the same words for muda, flow, and “go see.”

Learning goals

  • Explain Lean vs. Six Sigma in one sentence each (waste/flow vs. variation/defects).
  • Name the 8 wastes and give a shop-floor example of each.
  • Distinguish value-adding work from non-value-adding work from the customer’s view.
  • Recognize PDCA and the five DMAIC phases by name and purpose.
  • Describe what 5S is and why visual workplaces matter.
  • Know what an andon signal is and why stopping to fix problems is valued (jidoka idea).

Core Lean topics (White depth)

Customer value

Value is what the customer is willing to pay for. Everything else is waste, necessary non-value, or waiting to be eliminated.

8 wastes (Muda)

Transport, Inventory, Motion, Waiting, Overproduction, Overprocessing, Defects, Skills (unused talent). Memorize with a mnemonic; practice spotting them on walks.

5S intro

Sort, Set in order, Shine, Standardize, Sustain (plus Safety in many plants). Creates a visual, safe baseline for standard work later.

6S note: 6S is a common training extension: 5S plus Safety, making hazards visible and controlled without claiming Toyota renamed 5S.

PDCA awareness

Plan–Do–Check–Act (Deming/Shewhart). Toyota-style kaizen loops. Small experiments beat big untested changes.

Visual management & andon

Make abnormal conditions obvious. Andon lights/boards call for help; respect for people means problems are surfaced, not hidden.

JIT / jidoka (awareness)

Just-in-Time: make what’s needed, when needed. Jidoka: build quality in; stop when abnormal. White Belt: know the names and intent — depth comes later.

Core Six Sigma / DMAIC (White depth)

What Six Sigma is

A disciplined approach to reduce process variation and defects so outputs stay within customer specs. “Six Sigma” historically refers to a very low defect rate (~3.4 DPMO under common assumptions) — at White Belt, focus on the idea: measure, find causes, improve, hold the gains.

DMAIC awareness (phases named)

  • Define — problem, customer, goal, scope
  • Measure — baseline data, how we measure
  • Analyze — root causes, not symptoms
  • Improve — tested countermeasures
  • Control — standards, checks, so gains stick

White Belt: recognize which phase a conversation is in. You are not expected to run the full project.

Y = f(X) idea

The output (Y) depends on inputs/process factors (X’s). Improvement means finding and managing the vital few X’s — not guessing.

Key tools & glossary

Muda
Waste — activity that consumes resources without creating customer value.
Mura / Muri
Unevenness / overburden — often cause muda; Toyota triad with muda.
Gemba
“The real place” — go see the actual work, don’t manage from reports alone.
Kaizen
Continuous improvement — many small improvements by the people who do the work.
Standard work
Current best known method (awareness at White; detail at Yellow/Green).
VOC
Voice of the Customer — needs and expectations that define quality.
Defect / DPMO
Failure to meet a requirement; defects per million opportunities (concept only at White).
Poka-yoke
Error-proofing — design so mistakes are hard or impossible (awareness).

Curated external resources

ASQ — What is Lean?

Clear Lean Manufacturing primer aligned with quality professional standards.

ASQ — What is Six Sigma?

Authoritative overview of Six Sigma goals, history cues, and belt roles.

ASQ — PDCA Cycle

Plan–Do–Check–Act scientific thinking loop.

NIST MEP — Lean and Process Improvement

U.S. MEP lean services: VSM, 5S, changeover, continuous improvement for manufacturers.

NIST — Lean, ISO, and Six Sigma

Clear public definitions of Lean vs Six Sigma vs ISO.

LEI — Toyota Production System

TPS house: JIT + jidoka + kaizen / standardized work.

LEI — 5S

Workplace organization lexicon entry.

LEI — Training Within Industry (TWI)

Lexicon primer on TWI J-programs and Job Instruction four steps.

EPA — Lean

Public Lean resources and government starter materials.

EPA — Lean methods: 5S

Government 5S method overview.

iSixSigma — DMAIC Overview

Practical DMAIC phase definitions used widely in industry training.

GoLeanSixSigma — DMAIC phases

Plain-language DMAIC walkthrough for teams.

CSSC — Free Six Sigma training manuals

Free self-study manuals by belt (some fetchers see 403; page is the known free-manual hub).

iSixSigma — History of Six Sigma

Industry history article: Motorola origins through broad adoption.

Study path (checklist)

  1. Read ASQ Lean + Six Sigma overviews; write one sentence for each in your own words.
  2. Memorize the 8 wastes; walk a familiar process and list 5 examples you see.
  3. Sketch PDCA and DMAIC side by side — note how they rhyme (learn/do/check/act).
  4. Tour a 5S area (or create a desk 5S); name Sort vs. Set in order vs. Sustain.
  5. Ask a trainer: where is andon used here, and what happens when it triggers?
  6. When ready, move to Yellow Belt for SIPOC, maps, and team tools.

Your notes / Q&A

Empty — paste chat excerpts, trainer tips, or plant-specific examples here later.
Empty card — reserved for Factory Training Bot growth.