14-12-2012, 11:35 AM
JUST-IN-TIME
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WHAT IS JIT?
A Mgmt Philosophy
Emphasizes elimination of waste
Definition by Schonberger1982
Definition by O Grady 1988
Exposes problems and bottleneck
Achieves Streamlined Production
Origine of the Just-in-time
Developed in 1960 –Toyota Car Company
Toyota's purpose was to avoid bankruptcy
Lean Manufacturing
Improved Productivity
JIT gained worldwide prominence in the 1970s
ASSUMPTION IN JIT
Stable Environment
Commitment to Quality
Reduction of Waste
Involvement at all level of Organization
Balance between Supplier and Customers
PROBLEMS IN IMPLEMENTATION
Changes in Customer Schedule
Poor Vendor Quality
Storage of Critical Part
Supplier Undependability
Inability to reduce set-up Time
Failure to integrate Process
Quality Improvement
JIT&MARKETING
In 1984 Kotler Defines 4 P’s
Price-Cost /Time
Place-Home Market/Global Market
Product-manufactured with minimum variations to have maximum Volume
Promotion-Depends on Cutomer satisfaction
Just-In-Time and Product Design
Design Improvement
Quality
Reduction in the number of parts
Spare parts Requirement
Design for testability
Benefits of JIT
Reduction in inventories
Improved quality
Reduced space requirements
Shorter lead times
Lower production costs
Increased productivity
Increased machine utilization
Greater flexibility
LIMITATIONS OF JIT
Trust Between Supplier and Customers
First Come First Served
Turning of Operators-Motion Economy
Demand Based Manufacturing
Conclusion
JIT- revolutionary changes in company
JIT-Market Leader company
JIT-improved Overall Productivity