1 – Introduction to Jidoka

The Jidoka is one of the two pillars of the Lean house. As a cultural tool, it aims to stop actions as soon as there is a problem to solve it in the immediate future. Introduction The Japanese word Jidoka, also called autonomation or even autoactivation, is broken...

2 – The Andon system

The Andon is a system of visual control allowing everyone to know immediately the operating state of the production (anomaly, advance/delay…). Introduction The term andon, 行灯 in Japanese, is composed of the characters 行 ” go “, and 灯 ”...

3 – The Ji Kotei Kanketsu

Jidoka’s tool, JKK is a process of thought to highlight the implication and accountability of all in quality and improvement. Introduction The Ji Kotei Kanketsu is a Japanese term meaning ” build quality with implication “. It is a system of thought...

4 – Poka Yoké

A Poka Yoké (ポカヨケ), Poka for ” error of inattention ” and Yokeru for “avoid ” (translated as: anti-error or even misleading) is a simple and reliable device to make a defect impossible. Historical Originally, the term was Baka Yoké1 for ”...

5 – Man-Machine separation

The principle of men-machine separation dates back to the time of Ohno. At that time, there was an operator for a machine, each of the machines not being set on the same Takt time. Introduction The principle of men-machine separation was developed in the years 1950 by...

6 – Self quality

Self-quality is an important tool for giving versatility and involving staff in the company’s Lean 6 Sigma approach. Introduction By definition, the concept of being a customer is a process of being considered by the individual. This is to implement the 3...