Lean manufacturing has been reshaping factory floors since Toyota developed it in the mid-20th century — but the toolkit has grown considerably since then. This episode walks through everything from the foundational pillars of the Toyota Production System to how lean integrates with Industry 4.0 today.

AI-generated (NotebookLM) audio overview. Source: HexLocal in-house research — Lean Manufacturing: Modern Methodologies (Dr. Priya Nair). Research retrieval via live WebSearch.

- The Toyota Production System's two pillars — Just-in-Time and Jidoka — underpin every lean tool and methodology in use today

- The 8 wastes (DOWNTIME) expand on Ohno's original seven; overproduction is the most dangerous because it masks all other wastes

- 5S is almost always the first lean tool deployed on a shop floor — it creates the visual foundation everything else depends on

- Value Stream Mapping works at the system level, surfacing waste that individual operators can't see from their position on the floor

- The CI facilitator role is responsible for teaching and running all of these tools — the episode covers what that looks like day-to-day

- Lean 4.0 integrates traditional lean thinking with Industry 4.0 technologies, and lean's relationship to Six Sigma gets a clear-eyed treatment here