Mass production is the production system of the 20th century.

Lean production is the production system of the 21st century.

"Lean manufacturing", a shorthand for a commitment to eliminating waste, simplifying procedures and speeding up production. The idea is to pull inventory through based on customer demand.

 

 

 

Traditional Manufacturing

Lean Manufacturing

Scheduling

Forecast – push

Customer Order – pull

Production

Stock

Customer Order

Lead Time

Long

Short

Batch Size

Large Batch & Queue

Small Continuous Flow

Inspection

Sampling by inspectors

100% ‒ at source by workers

Layout

Functional

Product Flow

Empowerment

Low

High

Inventory Turns

Low – <7 turns

High –  10+

Flexibility

Low

High

COGS

High and Rising

Lower and Decreasing

 

7 Wastes 3 Broad Types of Wastes Transitioning To a Lean Enterprise: Kore 10 Tips Creating Sustainable Value CReating Customer Value 80/20 Principle and Continuous Improvement Business e-Coach Lean Production / Lean Manufacturing - Doing More With Less  

Lean is about doing more with less: less time, inventory, space, labor, and money.

Characteristics of Lean Manufacturing Systems

Key Features    5 Elements

 

 

 

 

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