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What is Kanban?Kanban is a common, everyday word inJapan. It basically means “signboard” or “billboard.” In the field of manufacturing,Kanban is primarily a signal system used
in production. As material is consumed,a signal is sent to pull and deliver a newconsignment. The system is designed so thateach process in the production line pulls theright number and type of components the
process requires at the right time.In the words of Taiichi Ohno, the man whoconceived the art of Just-in-Time (JIT),Kanban is a tool for achieving JIT.The Origin of KanbanToyota was one of the first companies to
apply the logic of Kanban systematically andsuccessfully. In the late 940s, the companywas struggling to find ways to improveits plant production, and it found the U.S.model for supermarkets interesting. In asupermarket, the customer gets the rightamount of the right thing at the right time.The store stocks only what it is sure to sell,and the customer takes what he or shedesires. By monitoring and maintaining theflow of materials, Kanban achieves precision
in production. In 953, Toyota adopted thismarket concept at its manufacturing plants.The Basic Rules of KanbanRule 1: Use a Kanban signal onlywhen the part it represents isconsumed.Rule 2: Do not withdraw a partwithout a Kanban.Rule 3: Issue exactly the samenumber of parts to the subsequent
process as specified by the Kanban.Rule 4: Never issue defective partsto the subsequent process.Rule 5: The preceding processshould manufacture exactquantities of parts withdrawn by thesubsequent process.Rule 6: Manufacture the parts inthe order in which the Kanban cards
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