The principle of preventing defective products from moving from one process to the next.
According to the description on youtube, the video was taken from the Toyota museum. Straight from the source!
Note: As you may have noticed, the video has been removed. Alternatively, you can check out this excellent video on jidoka by Simplex Improvement.
Did you know Toyota invented the concept of Jidoka almost a hundred years ago?
By designing a weaving machine that stopped when a thread broke,
You can read more about jidoka on Wikipedia here. As well, strategosinc.com has an excellent summary of jidoka here.
Two types of jidoka are described:
- The andon "rope call switch"
- Poka-yoke or "fail-safe device"
The video illustrates both concepts with specific examples of how Toyota implements them on their automotive assembly line.
The second part of the video shows three kaizen activities, improvements suggested by employees. Keep an eye out for the "Chameleon," a great idea for grabbing exactly the right number of bolts for your assembly operation!
The great jidoka examples make this video an excellent training tool. The addition of kaizen activities create a perfect segway into your kaizen event!