Systems2win Lean
& Kaizen Training |
Seven Deadly Types of Waste
The 7 Types of Muda
As defined by Taiicho Ohno
(Toyota
executive, 1912-1990)
- Defects
- Overproduction of goods not demanded by actual customers
- Inventories awaiting further processing or consumption
- Unnecessary processing
- Unnecessary motion of employees
- Unnecessary transport and handling of goods
- Waiting for an upstream process to deliver
And a few more types of waste...
- Unsafe or unergonomic work conditions
- Working to the wrong metrics
- Missing or misinformation
- Underutilized human potential - skills, talents, and ideas
Types of muda: Type one vs. type two
Waste can also be categorized as:
- Type one muda - adds no value and can be eliminated immediately. "That's embarrassing. Let's stop doing that."
- Type two muda - adds no value, but is required for the way things are currently done. (e.g. inspection, paperwork, and all of the above types of deadly waste
User-defined types of waste on Standard Work template
On the Systems2win Standard Work
Sheet template...
notice that the Value Add Pie Chart is comprised of:
- Walk time
- Wait time
- Work time split into:
- Value Add Time
- 7 user-defined types of lean waste
and you can define those user-defined types of waste into any categories that your team finds most useful for analyzing the unique wastes found in THAT process
