Kanban system that would self-destruct unless all three rules are followed. If some part is damaged encountered, then the next process in itself makes the line stopped because there is no extra units of inventory and send the defective part to the previous process. Lines like this dismissal of the next process is very clear and visible to everyone. Also, faulty operation must be eliminated to ensure the withdrawal of rhythmic than the previous process. Standardization of work, therefore, one of the kanban system is an absolute requirement.
Defective products should never be collected to the next process
Posted in Toyota Production System