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- JustInTime
Manufacturing
- JustInTime Manufacturing?
What is JIT Manufacturing?
Where did it come from?
What are the main principles?
Is it easy to Implement?
What phrase best describes JIT?
- JustIn Time Manufacturing
JIT A philosophy of continuous improvement
that puts emphasis on prevention rather than
correction, and demands a company wide focus
on quality.
JIT operational management approach to achieve
world class manufacturing.
JIT production is based on demand
- History of JIT Manufacturing
Evolved in Japan after World War II, as a result of
their diminishing market share in the auto industry.
Toyota Motor Company Birthplace of the JIT
Philosophy Under Taiichi Ohno.
• W. Edwards Deming
• 14 points for Management
JIT is now on the rise in American Industries.
- Principles Of JIT Manufacturing
Total Quality Management
Production Management
Supplier Management
Inventory Management
Human Resource Management
- Principles Of JIT Manufacturing
Total Quality Management
Production Management
Supplier Management
Inventory Management
Human Resource Management
- Total Quality Management
Seek longterm commitment to quality efforts
with continuous improvement
Quality must be a higher priority than cost
Minimizing waste
- Total Quality Management
Eliminate Quality Inspectors
Quality is everyone’s responsibility
Do it right the first time
- Principles Of JIT Manufacturing
Total Quality Management
Production Management
Supplier Management
Inventory Management
Human Resource Management
- Production Management
Pull System vs. Push System
• Pull = Made to order
• Push = Made for inventory
Flexability of the system
Design For Testability – In the process
PokaYoke= Mistakeproofing
Throughout entire process
- Production Management
Reduced lot sizes= Shorter cycle times
Eliminate disruptions in the process
Standardized Parts/ Simplicity
- Production Management
Communication Techniques
• Completion of taskKanban
• Problem Andon or siren/light
Stopping the process if something goes wrong
=Jidoka
Preventive Maintenance
- Production Management at
Toyota
Toyota uses a Kanban pull system throughout
the production process.
Each task in the process seems to take
identical length and work content, so everyone
is working at the same pace to reduce
bottlenecks.
- Principles Of JIT Manufacturing
Total Quality Management
Production Management
Supplier Management
Inventory Management
Human Resource Management
- Supplier Management
Establish Long Term Relationships with few suppliers.
Delivery of Parts = 100% Defect Free
Where they are needed
When they are needed
The exact quantity
Work Together
- Supplier Management
Elimination inspection of parts
Information Systems
Eliminating barriers to information
Communicate problems to suppliers in a
positive manner.
- Supplier Relations at Toyota
Toyota communicates their damand for parts
20 days in advance to their suppliers, with the
right to change the forecast up to the 10th day.
- Principles Of JIT Manufacturing
Total Quality Management
Production Management
Supplier Management
Inventory Management
Human Resource Management
- Inventory Management
Eliminate Safety Stock = Zero Inventory
Reduce WIP
JIT is not an inventory control system
Reduction in inventory opens up space
- Inventory hides problems in a
process.
Water Level = Inventory
Rocks = Problems in the system
Boat = Company Operations
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