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,...
What is Andon and why is line-stop authority the core of it? Last verified: 16 May 2026. Andon (アンドン, from the Japanese word for paper lantern) is a visual management and signaling system developed at Toyota in the 1950s-1960s as a core element of the Toyota...
Availability, Performance, Quality: how are the three OEE components defined? Last verified: 16 May 2026. Overall Equipment Effectiveness (OEE) is the product of three components: Availability, Performance, and Quality. Each is independently defined in ISO...
What are the Six Big Losses and how do they map to OEE? Last verified: 16 May 2026. The Six Big Losses are a categorization of production losses introduced by Seiichi Nakajima in Introduction to TPM: Total Productive Maintenance (Productivity Press, 1988, ISBN...
What is MTTR and which of the four MTTR variants do you actually want? Last verified: 16 May 2026. Mean Time To Repair (MTTR) is a maintainability metric defined in MIL-HDBK-338B (Electronic Reliability Design Handbook, U.S. Department of Defense, 1 October 1998,...
