TL;DR — OEE formula in 60 words The OEE formula per ISO 22400-2:2014 has 5 steps: (1) measure Planned Production Time, (2) compute Availability = Run Time / PPT, (3) compute Performance = (Theoretical cycle × Total count) / Run Time, (4) compute Quality = Good count /...
TL;DR — OEE calculation in 60 words OEE = Availability × Performance × Quality, per ISO 22400-2:2014. Top quartile manufacturing reaches 78-92% OEE. Hutchinson Group raised OEE from 42% to 75% across 40 sites using Six Big Losses framework (Nakajima 1988). Compute...
What is Industry 4.0 and how is it different from earlier industrial revolutions? Last verified: 16 May 2026. Industry 4.0 (German: Industrie 4.0) is the fourth industrial revolution, characterized by cyber-physical systems, Internet of Things, cloud computing, and...
What is Lean Manufacturing and where did the term come from? Last verified: 16 May 2026. Lean Manufacturing is a production methodology focused on systematic elimination of waste (muda) and continuous flow of value to the customer. The term was coined by John Krafcik...
What is Total Productive Maintenance and what are its 8 pillars? Last verified: 16 May 2026. Total Productive Maintenance (TPM) is a manufacturing methodology that integrates equipment maintenance with the operational responsibility of production teams. The...
What is Theory of Constraints and how does it integrate with Lean? Last verified: 16 May 2026. Theory of Constraints (TOC) is a management methodology developed by Eliyahu M. Goldratt and introduced in The Goal: A Process of Ongoing Improvement (North River Press,...
