Mura, Muri, Muda Flashcards
Uneven / Fluctuation / Variation
Mura
Overburdened
Muri
Waste
Muda
Three terms often used together in the TPS to collectively describe wasteful practices that need to be eliminated or at least reduced
Mura, Muri, Muda
Capacity
Muda
What are some examples of Mura?
Uneven customer demand
Uneven workload
Irregular working rhythm
What are some examples of Muri?
Unreasonable demands
Poor allocation of tasks/ people
Excessive Muda and Mura
Anything in the process that does not add value from the customer’s perspective
Muda
What are the 7 deadly wastes?
*Overproduction
*Inventory
*Defects/Rework
*Motion
*Overprocessing
*Waiting
*Transport/Conveyance
….honorable mentions…
*Untapped resources
*Misused resources
*aka Unused Skill / Talent
Correcting and doing Rework
Defects
The following are examples of what?
➢Incorrect data entry
➢Paying the wrong vendor
➢Misspelled words in communications
➢Making a bad product
➢Materials or labor discarded during production
Defects
tasks, activities, and materials that do not add value (doing too much)
Overprocessing
The following are examples of what?
➢Sign-offs
➢Reports containing more information than the customer wants or needs
➢Communications, reports, emails, contracts, etc. containing more than the necessary points (briefer is better)
➢Voicemails that are too long
Overprocessing
nonproductive time due to lack of material, people or equipment
Waiting
The following are examples of what?
➢Processing once each month instead of as the work comes in
➢Showing up on time for a meeting that starts late
➢Delayed work due to lack of communication from another internal group
Waiting
unnecessary movement of people and equipment
Motion
The following are examples of what?
➢Extra steps
➢Extra data entry
➢Having to look for something
Motion
Producing more than the next step needs or more than the customer buys
Overproduction
The following are examples of what?
➢Preparing extra reports
➢Reports not acted upon or even read
➢Multiple copies in data storage
➢Over-ordering materials
➢Duplication of efforts/reports
Overproduction
The liability of materials that are bought, invested in and not immediately sold or used
Inventory
The following are examples of what?
➢Transactions not processed
➢Bigger “in box” than “out box”
➢Over-ordering materials consumed in-house
➢Over-ordering raw materials just in case
Inventory
The unnecessary movement of material and goods
Transportation
The following are examples of what?
➢Extra steps in the process
➢Distance traveled
➢Moving paper from place to place
Transportation
The following are examples of what?
No staff development plans
No cross training
Underutilizing Talent
The Foundation of Value Stream Mapping is to determine non-value added activities and reduce or eliminate them.
You can do this by categorizing your process into what 3 groups?
Customer Value Added
Critical Business Added Value
Non-Value Added (waste)
Where is waste? Whose responsibility is it to identify waste?
Everywhere; Everyone (we, the team)
