A supermarket finished products located at the end of the line, which has predetermined quantity of material, usually a PITCH, in this example it will be 30 minutes.
Once the amount is removed; then a kanban signal its send to the process A, which can be the pacemaker; which prompts you to start producing parts (quantity = pitch) is sent.
Usually the FIFO system is used to move the product to process B. Process B also, have and process the same quantity and this is passed to the process that we have offline. (Process C)
And this last process the same amount to the process C is passed to end the cycle Process D and then to SMKT Finish Goods; ant his process is repeated as often as needed.
It is very important to consider the SWIP (Standard Work In Process) the usual way to calculate is the following.
SWIP = [Total Lead Time =(Transportation Lead Time + Manufacturing Lean Time)] / Takt Time.
The SWIP (two buckets) maintains continuous flow through a batch or outside process. Transportation of materials is never empty in either direction and the arrival of the bucket to the well process is a signal to produce. It is in effect an instance of a non-card type production instruction kanban ; it is a FIFO process sequencing.
There are three golden rules for this Tsurube method:
- - Respect the FIFO sequence
- - Quantity shipped must equal amount received
- Do not send more parts if those sent were not received.
Zero Defects and TPM must be implemented before or at same time (in parallel).
I hope this information will be helpful in your next kaizen event.