Just-In-Time Systems

1
Just-In-Time Systems

• Ross L. Fink

2
Characteristics of JIT Systems

• Kanban Production Control System
• Manual card system
• Pull system
• Lean production

3
Characteristics of JIT Systems

• Results of Lean Production
• Low levels of inventory
• Reduced throughput time
• Minimized set-up time
• High quality
• Preventive maintenance

4
Characteristics of JIT Systems

• Uniform Plant Loading
• Same product mix each and every day
• Freezes MPS
• Relationship between Demand-MPS-Production
  changes from traditional approach
• Group Technology

5
Characteristics of JIT Systems

• Focused Factory Networks
• Small specialized factories
• Subcontractor networks
• Robotics--Autonomation

6
Characteristics of JIT Systems

• Interaction With Employee
• Lifetime employment
• Company unions
• Quality circles
• Bottom-round management

7
Conclusions

• Many US companies combine MRP and JIT to gain the
  benefits of both (efficiency and product mix
  variability)
• JIT lacks look ahead ability
• JIT provides for continuous improvement
• JIT needs TQM for success
• JIT/TQM works best with increasing demand for
  products