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Just in-time

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7 Waste

7 Waste

Published in: Business, Technology

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  • 1. By: Sujeet Pandit
  • 2. Just in time (JIT) is a production strategy that strives to improve a business return on investment by reducing in-process inventory and associated carrying costs. To meet JIT objectives, the process relies on signals or Kanban between different points in the process, which tell production when to make the next part. Kanban are usually 'tickets' but can be simple visual signals, such as the presence or absence of a part on a shelf. Implemented correctly, JIT focuses on continuous improvement and can improve a manufacturing organization's return on investment, quality, and efficiency. To achieve continuous improvement key areas of focus could be flow, employee involvement and quality.
  • 3. 7W 1. Waste of overproduction 2. Waste of waiting 3. Waste of transportation 4. Waste of processing itself 5. Waste of stock 6. Waste of motion 7. Waste of making defective products
  • 4. Basic Elements of JIT 1. Flow layout 2. Smooth buildup rate 3. Mixed model scheduling 4. Small lots of minimum set-up time 5. Buffer stock removal 6. Kanban card 7. Quality 8. Product & process simplification 9. Standard container 10. Preventive maintenance 11. Flexible 12. Organization in modules or cells 13. Continuous improvement 14. JIT purchasing
  • 5. Benefits of JIT 1. Product cost 2. Quality 3. Design 4. Productivity improvement 5. Higher production system flexibility 6. Administrative ease and simplicity
  • 6. JIT Philosophy The people involvement Total Quality Control Internal customer concept Quality at source JIT Flow
  • 7. Implementation of JIT •Obtain commitment from top mgmt •Prepare a implementation plan •Gain the co-operative of the work force •Create a strong leadership on the shop floor •Reduce the setup times of machines/equipment •Extend JIT to suppliers

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