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Hochschule für Technik und Wirtschaft des Saarlandes University of Applied Sciences
LEAN MANAGEMENT
Prof. Dr. Udo Venitz
Lean Management
Contents
Fundamentals
• Origin and History of Lean Management
• The Toyota Production System
• Targets of a Lean System
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Origin an History of Lean Management
Lean Management is derived mostly from the Toyota Production System.
Production System
(TPS)
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The Toyota Production System (TPS)
The TPS is build on the two pillars Just-In-Time and Jidoka.
Source: www.swmas.co.uk
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The Toyota Production System (TPS)
„Quality must be built in during the manufacturing process!“ (Toyoda Sakichi)
Jidoka = Autonomation = Automation with a human touch
Toyoda Sakichi (1876 ~ 1930)
Type-G Toyoda Automatic Loom
(developed in 1924)
1929 Kiichiro Toyoda sold the Patent in England
1930 Toyota Motor Corporation founded
Source: www.toyota.co.jp/en/
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Targets of a Lean System
The main target of every company is to generate Profit.
Profit
Satisfy customer demand
Best Prices
Costs
Lowest Costs
Supply on time
Shortest Lead Time
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Best Quality
Contents
Fundamentals
• Origin and History of Lean Management
• The Toyota Production System
• Targets of a Lean System
Basic Elements
Wheel of
Improvement
• Muda – 7 types of waste
• KAIZEN – CIP
• Standards
• Visual Management
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Basic Elements - MUDA
Wastes in all our processes lead to higher costs and longer lead times.
Muda – the 7 types of waste
Inventory
Overproduction
Transport
Correction/ Scrap
(Over-)Processing
Motion
Waiting
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Basic Elements - KAIZEN
We are continuously eliminating wastes by KAIZEN.
KAIZEN = Continuous Improvement (CIP)
Wheel of
Improvement
improvement
KAI = „change“
Standard
time
ZEN = „for the better“
Source: KAIZEN-Institute
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CI P
Basic Element - Standards
“Without standards there can be no improvement” (Taiichi Ohno)
Wheel of
Improvement
CIP
improvement
Standard
time
Source: KAIZEN-Institute
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Basic...