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How it works the Kanban ?
The definitive slideshow to understand how it works the
Kanban Method
Example 1 – Point of Use / Warehouse
What you need prior to start ? (therotical aspects)

Why Use Kanban ?

Theory of Kanban

How to calculate the right number of Kanban
Visit
www.leanlab.name
What you need prior to start ?

Define the Point of Use

A place to put Kanban

The right number of Kanban

A runner/collector of Kanban
Real Example

A point of use (POU) needs balls in 6 pcs / boxes

Consumption is 18 balls / day

The runner pass every day at 10:00 am

The Lead Time to recieve from warehouse = 2 days

Safety Stock fixed at 20%

This means => 8 Kanban Cards in WIP
Monday 8:00 AM – Start Work
POU
Warehouse
Monday 8:00 AM – Start Work
POU
Warehouse
Kanban Container
is Empty
Monday 8:15 AM
POU
Warehouse
Monday 8:15 AM
POU
Warehouse
First box of balls
is open for use
Monday 8:17 AM
POU
Warehouse
First box of balls
Is open for use
Kanban is located
in the collection
point
Monday 9:00 AM
POU
Warehouse
Monday 10:00 AM
POU
Warehouse
Monday 10:00 AM
POU
Warehouse
The collector
arrives
Monday 10:15 AM
POU
Warehouse
Bring the Kanban
to the Warehouse
Monday 11:00 AM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Monday 11:01 AM
POU
Warehouse
1st
box is
finished
In Process –
Recieved Monday
at 10.15 AM
Monday 11:05 AM
POU
Warehouse
2nd box is
opened
Kanban
moved
In Process –
Recieved Monday
at 10.15 AM
Monday 12:00 PM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Monday 12:00 PM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Monday 14:00 PM
POU
Warehouse
2nd box is
finished
In Process –
Recieved Monday
at 10.15 AM
Monday 14:00 PM
POU
Warehouse
3rd box is
opened
Kanban
Moved
In Process –
Recieved Monday
at 10.15 AM
Monday 14:15 PM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Monday 17:00 PM – End of Work
POU
Warehouse
3rd box is
finished
In Process –
Recieved Monday
at 10.15 AM
Tueday 8:00 AM – Start Work
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Tuesday 8:15 AM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Tuesday 9:00 AM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Tuesday 10:00 AM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
The collector
arrives
Tuesday 10:15 AM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Bring Kanban to
Warehouse
Tuesday 10:30 AM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Tuesday 17:00 PM – End of Work
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Wednesday 8:00 AM – Start of Work
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Wednesday 8:15 AM
POU
Warehouse
In Process –
Recieved Monday
at 10.15 AM
Wednesday 8:30 AM
POU
Warehouse
Stick Kanban on
the box
Wednesday 8:45 AM
POU
Warehouse
In Process –
Recieved
Tuesday at 10.15
AM
Wednesday 9:30 AM
POU
Warehouse
In Process –
Recieved
Tuesday at 10.15
AM
Wednesday 10:00 AM
POU
Warehouse
In Process –
Recieved
Tuesday at 10.15
AM
The collector
arrives
Wednesday 10:15 AM
POU
Warehouse
In Process –
Recieved
Tuesday at 10.15
AM
Bring Kanban to
the Warehouse
Wednesday 17:00 PM – End of Work
POU
Warehouse
In Process –
Recieved
Tuesday at 10.15
AM
Empty in the POU –
a warning to
warehouse is given
Wednesday 17:00 PM – End of Work
POU
Warehouse
In Process –
Recieved
Tuesday at 10.15
AM
EMPTY is always a
Visual Warning
Thursday 8:00 AM – Start of Work
POU
Warehouse
Because of warning
the material in in POU
at 8:00 AM
Thursday 8:15 AM
POU
Warehouse
Thursday 8:30 AM
POU
Warehouse
Thursday 10:00 AM
POU
Warehouse
The collector
arrives
Thursday 17:00 PM – End of Work
POU
Warehouse
Friday 8:00 AM – Start of Work
POU
Warehouse
Friday 17:00 PM – End of Work
POU
Warehouse
Next Week the same cycle ...
Some Considerations

The WIP is under control (48 balls in 8 boxes)

Is the system too risky of stock-out in the POU and why?
Looking carefully at the lead time, if the collector comes
at 10.00 AM, the POU start at 8.00 AM and the
warehouse brings the boxes at 9.00 AM the lead time to
consider is not 2 days but 2 days and 3 hours.
In this case the correct lead time to use is round 2.5 days
and the kanban system need is:
9 Kanban Cards rather than 8 Kanban Cards
Some Considerations

At the beginning of Kanban Implemetation starts with a
safe number of kanban cards and then reduced it when
the system will be stable and reliable.
Thank you for your attention
Visit us on
www.leanlab.name
Info.leanlab@gmail.com

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How it works Kanban - The definitive slideshow! - LeanLab