OpenReference

Just-In-Time is the practice to delay the manufacturing, sourcing and/or delivery to the last possible moment, to reduce inventory and process cycles. Toyota defines JIT as making "only what is needed, when it is needed, and in the amount needed."

The following operational elements are typically required to implement Just-In-Time:

• Make-to-Order and lot size reduction
• Kanban
• Setup Time Reduction - see: SMED

Additionally Just-In-Time requires the following management elements:

• Total Quality Management (TQM)
• Continuous improvement - see: Kaizen
• Automation with a human touch - see: Jidoka

Notes

The Just-In-Time practice originated in the automotive industry (Japan) and is also known as the Toyota Production System (TPS).

Alternative practices to Just-In-Time include: Theory of Constraints, Just-In-Case Just-In-Sequence

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Hierarchy

ID	Name	Level	x
JIT	Just-In-Time	1	JIT
JIS	Just-In-Sequence	2	JIS

Process(es)

ID	Name	Level	x
S2	Source-to-Order	2	S2

Term(s)

ID	Name	Clear	x
DELJIT	EDIFACT Delivery Just-In-Time (DELJIT)		DELJIT
JIS	Just-In-Sequence		JIS
Kanban	Kanban		Kanban
MTO	Make-to-Order		MTO

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