What is kaizen and how does Toyota use it?

What is kaizen?

What is Kaizen? It is one of the core principles of the Toyota Production System.

The English translation is, broadly speaking, continuous improvement. ‘Kai’ means ‘change’ and ‘zen’ means ‘for the better’. It is a philosophy that helps to ensure maximum quality, the elimination of waste, and improvements in efficiency, both in terms of equipment and work procedures.

Kaizen improvements in standardised work help maximise productivity at every worksite. Standardised work involves following procedures consistently and therefore employees can identify the problems promptly.

Kaizen in action at Toyota Motor Manufacturing UK

Within the Toyota Production System, Kaizen humanises the workplace, empowering individual members to identify areas for improvement and suggest practical solutions.

The focused activity surrounding this solution is often referred to as a kaizen blitz, while it is the responsibility of each member to adopt the improved standardised procedure and eliminate waste from within the local environment.

Kaizen begins in the early designs of a production line and continues through its lifetime of use by a process of consensus known as Nemawashiread our explanation here.

Alternatively, see more about the Toyota Production System in our glossary.

Discover the 12 other pillars of the Toyota Production System:

Konnyaku Stone
Poka-Yoke
Hansei
Andon
Jidoka 
Just-In-Time
Heijunka
Kaizen
Genchi Genbutsu
Nemawashi
Kanban
Muda, Muri, Mura
Genba

The pillars of the Toyota Production System don’t just inform the processes within our own factories and offices. Toyota’s expertise at applying ‘the lean approach’ is highly valued by other industries.

Toyota Manufacturing UK offers Lean Approach Seminars in which team leaders from other businesses are immersed in the philosophy and taught how to apply the techniques and ideas to their own processes.

 

19 comments

  1. Hello. I am fascinated by the concept of kaizen. How does is time divided between carrying out manufacturing and improving the manufacturing technique? 90% producing 10% improving for example?

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