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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
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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 Warehouse POU
Monday 8:00 AM – Start Work Warehouse POU Kanban Container is Empty
Monday 8:15 AM Warehouse POU
Monday 8:15 AM Warehouse POU First box of balls is open for use
Monday 8:17 AM Warehouse POU Kanban is located in the collection point First box of balls Is open for use
Monday 9:00 AM Warehouse POU
Monday 10:00 AM Warehouse POU
Monday 10:00 AM Warehouse POU The collector arrives
Monday 10:15 AM Warehouse POU Bring the Kanban to the Warehouse
Monday 11:00 AM Warehouse POU In Process – Recieved Monday at 10.15 AM
Monday 11:01 AM Warehouse POU In Process – Recieved Monday at 10.15 AM 1st box is finished
Monday 11:05 AM Warehouse POU Kanban moved In Process – Recieved Monday at 10.15 AM 2nd box is opened
Monday 12:00 PM Warehouse POU In Process – Recieved Monday at 10.15 AM
Monday 12:00 PM Warehouse POU In Process – Recieved Monday at 10.15 AM
Monday 14:00 PM Warehouse POU In Process – Recieved Monday at 10.15 AM 2nd box is finished
Monday 14:00 PM Warehouse POU Kanban Moved In Process – Recieved Monday at 10.15 AM 3rd box is opened
Monday 14:15 PM Warehouse POU In Process – Recieved Monday at 10.15 AM
Monday 17:00 PM – End of Work Warehouse POU In Process – Recieved Monday at 10.15 AM 3rd box is finished
Tueday 8:00 AM – Start Work Warehouse POU In Process – Recieved Monday at 10.15 AM
Tuesday 8:15 AM Warehouse POU In Process – Recieved Monday at 10.15 AM
Tuesday 9:00 AM Warehouse POU In Process – Recieved Monday at 10.15 AM
Tuesday 10:00 AM Warehouse POU In Process – Recieved Monday at 10.15 AM The collector arrives
Tuesday 10:15 AM Warehouse POU In Process – Recieved Monday at 10.15 AM Bring Kanban to Warehouse
Tuesday 10:30 AM Warehouse POU In Process – Recieved Monday at 10.15 AM
Tuesday 17:00 PM – End of Work Warehouse POU In Process – Recieved Monday at 10.15 AM
Wednesday 8:00 AM – Start of Work Warehouse POU In Process – Recieved Monday at 10.15 AM
Wednesday 8:15 AM Warehouse POU In Process – Recieved Monday at 10.15 AM
Wednesday 8:30 AM Stick Kanban on the box Warehouse POU
Wednesday 8:45 AM Warehouse POU In Process – Recieved Tuesday at 10.15 AM
Wednesday 9:30 AM Warehouse POU In Process – Recieved Tuesday at 10.15 AM
Wednesday 10:00 AM Warehouse POU In Process – Recieved Tuesday at 10.15 AM The collector arrives
Wednesday 10:15 AM Warehouse POU In Process – Recieved Tuesday at 10.15 AM Bring Kanban to the Warehouse
Wednesday 17:00 PM – End of Work Warehouse POU Empty in the POU – a warning to warehouse is given In Process – Recieved Tuesday at 10.15 AM
Wednesday 17:00 PM – End of Work Warehouse POU EMPTY is always a Visual Warning In Process – Recieved Tuesday at 10.15 AM
Thursday 8:00 AM – Start of Work Because of warning the material in in POU at 8:00 AM Warehouse POU
Thursday 8:15 AM Warehouse POU
Thursday 8:30 AM Warehouse POU
Thursday 10:00 AM Warehouse POU The collector arrives
Thursday 17:00 PM – End of Work Warehouse POU
Friday 8:00 AM – Start of Work Warehouse POU
Friday 17:00 PM – End of Work Warehouse POU 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.
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