Toshiba : Ome Works

1720 Words Dec 22nd, 2014 7 Pages
Value Stream Mapping


Value Stream Mapping Definition
• Value Stream Mapping (VSM):
– Special type of flow chart that uses symbols known as "the language of Lean" to depict and improve the flow of inventory and information.


Value Stream Mapping Purpose
• Provide optimum value to the customer through a complete value creation process with minimum waste in:
– Design (concept to customer) – Build (order to delivery) – Sustain (in-use through life cycle to service)


Why ?
• Many organizations pursuing “lean” conversions have realized that improvement events alone are not enough • Improvement events create localized improvements, value stream mapping & analysis strengthens the gains by providing vision and plans
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It represents one department with a continuous, internal fixed flow. Shared Process Icon: a process, operation, department or workcenter that other value stream families share.

Data Box Icon: it goes under other icons that have significant information/data required for analyzing and observing the system.

Workcell Icon: indicates that multiple processes are integrated in a manufacturing workcell.


Value Stream Mapping Material Symbols
Inventory Icons: show inventory between two processes Shipments Icon: represents movement of raw materials from suppliers to the Receiving dock/s of the factory. Or, the movement of finished goods from the Shipping dock/s of the factory to the customers Push Arrow Icon: represents the “pushing” of material from one process to the next process.

Supermarket Icon: an inventory “supermarket” (kanban stockpoint).

Material Pull Icon: supermarkets connect to downstream processes with this

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