Just as mass production is recognized as the production system of the 20th century, lean production is viewed as the production system of the 21st century.

 

 

 

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. "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.

Characteristics of Lean Manufacturing Systems

Key Features    5 Elements