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The Lean "House"
The Lean "House"
There are many Lean concepts included in these houses, none of which you necessarily need to memorize, but there are good reference glossaries of lean terms you can use to look something up anytime you need, such as this one: https://leanhorizons.com/lean-glossary-terms/
Don't be overwhelmed by this terrible visual and all its clutter! This is not a visual you will be asked to memorize, recite, be tested upon, etc.
The Lean House is meant to organize all the tools & techniques related to Lean into their respective overarching concepts (things like Heijunka & Jidoka)
See if there are any that you have heard of/used!
Also, there are much simpler versions of the Lean House, one example of which is shown below:
Continuous Improvement (KAIZEN, 改善)
Continuous Improvement (KAIZEN, 改善)
Kaizen = Continuous Improvement, or the Pursuit of Perfection
Kaizen is the foundation of Lean/TPS, and is more of a mindset/culture than a tool or technique
To follow Kaizen means to never be satisfied or complacent with the current state of things - whatever that state is, it can always be better
FOCUS ON THE PROCESS, NOT THE PEOPLE
When thinking about Kaizen & trying to continually improve things, you want to focus on process improvements, not people improvements
Bad Ideas/Thoughts (People-focused improvements):
"That person is just new"
"That guy always does a bad job"
"Only one person can do that job correctly"
Good Ideas/Thoughts (Process-focused Improvements):
"How was that even possible?"
"Let's make sure that can never happen again, regardless of who is doing that task"
The 3M's: Muda, Muri, & Mura
The 3M's: Muda, Muri, & Mura
The 3M's are the enemies of Lean.
The goal of Lean is to eliminate Muda, Mura, and Muri and create a smooth, efficient, and sustainable flow of value for the customer. The 3M's are:
MUDA (無駄) = WASTE
Muda is the Japanese term for waste. In a Lean manufacturing or business context, it refers to any activity that does not add value for the customer.
MURA (斑) = UNEVENNESS
Mura is the Japanese term for inconsistency or unevenness. In a Lean context, it refers to unevenness in the workload, capacity, or flow of work, which can cause problems such as bottlenecks, idle time, and excess inventory
MURI (無理) = OVERBURDEN
Muri is the Japanese term for overburden or strain. In a Lean context, it refers to any activity that puts undue strain on people, equipment, or other resources, such as working too fast, carrying too much, or using poor ergonomics
...More on these later!
1.2✔ CHECKPOINT
1.2✔ CHECKPOINT
Quiz: Lean Concepts
Quiz: Lean Concepts
What is the Lean "House", and what does it do?
What is "KAIZEN", and why is it important?
What are the "3M's", and why are they important?
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