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Just-In-Time
Manufacturing
Presented ByPresented By
Akshay Jain (2013004)
Prof. Amal RoyProf. Amal Roy
A certificate does not make you certified. Attitude, performance,
commitment to self and team — these and a certificate make you
certified.
Just-In-Time Manufacturing:Just-In-Time Manufacturing:
A DefinitionA Definition
• JIT philosophy means getting the right quantity of goods
at the right place and the right time
• Uses a systems approach to develop and operate a
manufacturing system
• Organizes the production process so that parts are
available when they are needed
• A method for optimizing processes that involves
continual reduction of waste
• JIT originated in Japan at Toyota Motor Co, fueled by a
need to survive the devastation post WWII
• JIT gained worldwide prominence in the 1970s
• Often termed “Lean Production” or “Lean Systems”
• Broad view that entire organization has the same goal -
to serve customers
Philosophy of Just-in-TimePhilosophy of Just-in-Time
Central Themes SurroundingCentral Themes Surrounding
Just-In-TimeJust-In-Time
• Simplicity
• Quality
• Elimination of Waste
• Flexibility
Just-In-Time TechniquesJust-In-Time Techniques
• Inventory Reduction as a Tool for Improvement
• Inventory “Pull”
• Uniform Plant Loading
• Supplier Relationships
• Reduced Setup Times
• Shop-Floor Layout and Production Cells
• Total Quality Assurance
• Preventive Maintenance
Role of Inventory ReductionRole of Inventory Reduction
• Inventory = Lead Time (less is better)
• Inventory hides problems
JIT Manufacturing: The Pull SystemJIT Manufacturing: The Pull System
• A “level” schedule is developed so that the same mix
of products is made every day in small quantities
• Leveling the schedule can have big impact along
whole supply chain
Monday Tuesday Wednesday Thursday Friday
AAAAA BBBBB BBBBB DDDDD EEEEE
AAAAA BBBBB BBBBB CCCCC EEEEE
Monday Tuesday Wednesday Thursday Friday
AABBBB AABBBB AABBBB AABBBB AABBBB
CDEE CDEE CDEE CDEE CDEE
5 units
5 units
10 units
Weekly Production Required
Traditional Production Plan
JIT Plan with Level Scheduling
A
B
C
D
E
10 units
20 units
Uniform Plant LoadingUniform Plant Loading
The Major Misconceptions of JITThe Major Misconceptions of JIT
• JIT is Only an Inventory Control System
• It is a Method to “Push” Inventory Back to the Supplier
• JIT is a Quality Control Program
Goals of Just-In-Time SystemsGoals of Just-In-Time Systems
• Design for Optimum Quality and Cost
• Minimize resources needed for Design and Manufacturing
• Be Responsive to the Customers Needs
• Develop Trust and Open Relationships with Suppliers and
Customers
• Develop a Commitment to Improve the Total
Manufacturing System
Benefits of JITBenefits of JIT
• Reduction in inventories
• Improved quality
• Reduced space
requirements
• Shorter lead times
• Lower production costs
• Increased productivity
• Increased machine
utilization
• Greater flexibility
A Real World Example
The Toyota Production System
VIDEO
Jit

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Jit

  • 1. Just-In-Time Manufacturing Presented ByPresented By Akshay Jain (2013004) Prof. Amal RoyProf. Amal Roy A certificate does not make you certified. Attitude, performance, commitment to self and team — these and a certificate make you certified.
  • 2. Just-In-Time Manufacturing:Just-In-Time Manufacturing: A DefinitionA Definition • JIT philosophy means getting the right quantity of goods at the right place and the right time • Uses a systems approach to develop and operate a manufacturing system • Organizes the production process so that parts are available when they are needed • A method for optimizing processes that involves continual reduction of waste
  • 3. • JIT originated in Japan at Toyota Motor Co, fueled by a need to survive the devastation post WWII • JIT gained worldwide prominence in the 1970s • Often termed “Lean Production” or “Lean Systems” • Broad view that entire organization has the same goal - to serve customers Philosophy of Just-in-TimePhilosophy of Just-in-Time
  • 4. Central Themes SurroundingCentral Themes Surrounding Just-In-TimeJust-In-Time • Simplicity • Quality • Elimination of Waste • Flexibility
  • 5. Just-In-Time TechniquesJust-In-Time Techniques • Inventory Reduction as a Tool for Improvement • Inventory “Pull” • Uniform Plant Loading • Supplier Relationships • Reduced Setup Times • Shop-Floor Layout and Production Cells • Total Quality Assurance • Preventive Maintenance
  • 6. Role of Inventory ReductionRole of Inventory Reduction • Inventory = Lead Time (less is better) • Inventory hides problems
  • 7. JIT Manufacturing: The Pull SystemJIT Manufacturing: The Pull System
  • 8. • A “level” schedule is developed so that the same mix of products is made every day in small quantities • Leveling the schedule can have big impact along whole supply chain Monday Tuesday Wednesday Thursday Friday AAAAA BBBBB BBBBB DDDDD EEEEE AAAAA BBBBB BBBBB CCCCC EEEEE Monday Tuesday Wednesday Thursday Friday AABBBB AABBBB AABBBB AABBBB AABBBB CDEE CDEE CDEE CDEE CDEE 5 units 5 units 10 units Weekly Production Required Traditional Production Plan JIT Plan with Level Scheduling A B C D E 10 units 20 units Uniform Plant LoadingUniform Plant Loading
  • 9. The Major Misconceptions of JITThe Major Misconceptions of JIT • JIT is Only an Inventory Control System • It is a Method to “Push” Inventory Back to the Supplier • JIT is a Quality Control Program
  • 10. Goals of Just-In-Time SystemsGoals of Just-In-Time Systems • Design for Optimum Quality and Cost • Minimize resources needed for Design and Manufacturing • Be Responsive to the Customers Needs • Develop Trust and Open Relationships with Suppliers and Customers • Develop a Commitment to Improve the Total Manufacturing System
  • 11. Benefits of JITBenefits of JIT • Reduction in inventories • Improved quality • Reduced space requirements • Shorter lead times • Lower production costs • Increased productivity • Increased machine utilization • Greater flexibility
  • 12. A Real World Example The Toyota Production System VIDEO

Editor's Notes

  1. This PowerPoint presentation focuses on Just-in time manufacturing and its use and implementation in the manufacturing world.