Presented byNasir Uddin Ahmed

CONTENTS1. Definition of Kanban

2. Kanban in a nutshell

3. History of kanban

4. Types of Kanban

5. Why kanban

6. Kanban option

7. Kanban cards

8. Kanban system

9. How is kanban used

Kanban in a Nutshell- It is a Japanese word (かんばん(看板) ,means

signboard or billboard.

- is a scheduling system for lean and just in time production.

-is a pull based system.

-aims at minimising waste.

-tries to limit the work at any stage.

Lean production: maximising customer value where as minimising waste or creating more value for customers with fewer resources.

Just in time: produce only what is needed and when it is needed.

Push method: a method in which production of the item begins in advance of customer needs.

Pull method: a method in which customer demand activates production of the service or item.

History of kanban developed by Taiichi Ohno at

Toyota in 1953

designed after shelf-stocking techniques used by supermarkets

replenishment occured based on market condition

Use of visual signals was essential to the system.

Types of kanban Raw Material Kanban: tells suppliers when to send how

much of a particular item to a particular place.

In Process Kanban: determines the amount of work-in-progress that can be kept between any two operations in a process.

Finished Goods Kanban: determines the amount of a product to be kept on hand at any given time. Removal of material from the finished goods kanban acts as a signal for more of that product to be manufactured.

Why Kanban It helps in visualsing the system and expose problems

It allows us to evaluate the impacts of process changes

It is a simple and understandable process

Avoids overproduction

Control can be maintained

Reduces cost of keeping inventory

Minimising the waste

Improves workflow

Kinds of waste

• Damage,wastage, loss, unnecessary expenditure, unnecessary effortMuda

• Imbalance, fluctuation, irregularity, deviationMura

• Overload, overburden, congestion, perversityMuri

Kanban Option No cards

-visual ( Tape on floor)

-two or three bin system

-supplier containers

-painted floors eg. Squares, circle

Card Systems

-electronic kanban (fax or E-mails)

-kanban boards

-warehouse

-containers

-supplier boxes

Kanban cardsThe kanban card is a

message that signals depletion of product parts or inventory.

- Demand for more production is signaled by kanban card.

- It creats demand driven system

Example of kanban cards

Kanban System

How is Kanban used