Kaizen 7 wastes?
Can anyone tell me what the 7 wastes in the Kaizen philosphy are? Cant remember them all and text books are at work.
Thanks
Answers:
The 7 Wastes of Production
Taiichi Ohno defined the 7 types of waste that describe all activity that adds cost but not value. In a Lean Enterprise these 7 types of “Muda” are the target of an endless pursuit of waste elimination. Learning to see “Muda” all around you is the key to starting out on your journey of transforming your organization into a Lean Enterprise.
The 7 Wastes – “Muda”
Definition
Examples
Causes
Countermeasures
Over-|production
Producing more than the customer needs right now
Producing product to stock based on sales forecasts
Producing more to avoid set-ups
Batch process resulting in extra output
Forecasting
Long set-ups
“Just in case” for breakdowns
Pull system scheduling
Heijunka – level loading
Set-up reduction
TPM
Trans-
portation
Movement of product that does not add value
Moving parts in and out of storage
Moving material from one workstation to another
Batch production
Push production
Storage
Functional layout
Flow lines
Pull system
Value Stream organizations
Kanban
Motion
Movement of people that does not add value
Searching for parts, tools, prints, etc.
Sorting through materials
Reaching for tools
Lifting boxes of parts
Workplace disorganization
Missing items
Poor workstation design
Unsafe work area
5S
Point of Use Storage
Water Spider
One-piece flow
Workstation design
Waiting
Idle time created when material, information, people, or equipment is not ready
Waiting for parts
Waiting for prints
Waiting for inspection
Waiting for machines
Waiting for information
Waiting for machine repair
Push production
Work imbalance
Centralized inspection
Order entry delays
Lack of priority
Lack of communication
Downstream pull
Takt time production
In-process gauging
Jidoka
Office Kaizen
TPM
Processing
Effort that adds no value from the customer’s viewpoint
Multiple cleaning of parts
Paperwork
Over-tight tolerances
Awkward tool or part design
Delay between processing
Push system
Customer voice not understood
Designs “thrown over the wall”
Flow lines
One-piece pull
Office Kaizen
3P
Lean Design
Inventory
More materials, parts, or products on hand than the customer needs right now
Raw materials
Work in process
Finished goods
Consumable supplies
Purchased components
Supplier lead-times
Lack of flow
Long set-ups
Long lead-times
Paperwork in process
Lack of ordering procedure
External kanban
Supplier development
One-piece flow lines
Set-up reduction
Internal kanban
Defects
Work that contains errors, rework, mistakes or lacks something necessary
Scrap
Rework
Defects
Correction
Field failure
Variation
Missing parts
Process failure
Mis-loaded part
Batch process
Inspect-in quality
Incapable machines
GembaSigma
Pokayoke
One-piece pull
Built-in quality
3P
Jidoka
Never heard of it
didn't know this but it was easy to find out. overproduction, transportation, motion, waiting, processing, inventory, defects
we use the anagram wormpit to help remeber them
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Thanks
Answers:
The 7 Wastes of Production
Taiichi Ohno defined the 7 types of waste that describe all activity that adds cost but not value. In a Lean Enterprise these 7 types of “Muda” are the target of an endless pursuit of waste elimination. Learning to see “Muda” all around you is the key to starting out on your journey of transforming your organization into a Lean Enterprise.
The 7 Wastes – “Muda”
Definition
Examples
Causes
Countermeasures
Over-|production
Producing more than the customer needs right now
Producing product to stock based on sales forecasts
Producing more to avoid set-ups
Batch process resulting in extra output
Forecasting
Long set-ups
“Just in case” for breakdowns
Pull system scheduling
Heijunka – level loading
Set-up reduction
TPM
Trans-
portation
Movement of product that does not add value
Moving parts in and out of storage
Moving material from one workstation to another
Batch production
Push production
Storage
Functional layout
Flow lines
Pull system
Value Stream organizations
Kanban
Motion
Movement of people that does not add value
Searching for parts, tools, prints, etc.
Sorting through materials
Reaching for tools
Lifting boxes of parts
Workplace disorganization
Missing items
Poor workstation design
Unsafe work area
5S
Point of Use Storage
Water Spider
One-piece flow
Workstation design
Waiting
Idle time created when material, information, people, or equipment is not ready
Waiting for parts
Waiting for prints
Waiting for inspection
Waiting for machines
Waiting for information
Waiting for machine repair
Push production
Work imbalance
Centralized inspection
Order entry delays
Lack of priority
Lack of communication
Downstream pull
Takt time production
In-process gauging
Jidoka
Office Kaizen
TPM
Processing
Effort that adds no value from the customer’s viewpoint
Multiple cleaning of parts
Paperwork
Over-tight tolerances
Awkward tool or part design
Delay between processing
Push system
Customer voice not understood
Designs “thrown over the wall”
Flow lines
One-piece pull
Office Kaizen
3P
Lean Design
Inventory
More materials, parts, or products on hand than the customer needs right now
Raw materials
Work in process
Finished goods
Consumable supplies
Purchased components
Supplier lead-times
Lack of flow
Long set-ups
Long lead-times
Paperwork in process
Lack of ordering procedure
External kanban
Supplier development
One-piece flow lines
Set-up reduction
Internal kanban
Defects
Work that contains errors, rework, mistakes or lacks something necessary
Scrap
Rework
Defects
Correction
Field failure
Variation
Missing parts
Process failure
Mis-loaded part
Batch process
Inspect-in quality
Incapable machines
GembaSigma
Pokayoke
One-piece pull
Built-in quality
3P
Jidoka
Never heard of it
didn't know this but it was easy to find out. overproduction, transportation, motion, waiting, processing, inventory, defects
we use the anagram wormpit to help remeber them
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