OM-ch7_L7 - Chapter 7 Just-in-Time and Lean Systems...

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Chapter 7 Just-in-Time and Lean Systems Operations Management Lesson 9
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Learning Objectives Explain the core beliefs of the JIT philosophy Describe the meaning of waste in JIT Explain the differences between “push” and “pull” systems Explain the key elements of JIT manufacturing Explain TQM’s role in JIT manufacturing Describe the role of people in JIT Understand impact of JIT on service and manufacturing Understand functional impact of JIT on all areas
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Just-in-time Philosophy Getting the right quantity of goods at the right place at the right time. (inventory) Change to a board view A philosophy that encompasses the entire organization.
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The Philosophy of JIT Often termed “Lean Systems” All waste must be eliminated- non value items Waste: material, energy, time and space. Broad view that entire organization must focus on serving customers (goal of the organization) JIT is built on simplicity- the simpler the better (the simpler a solution, the better it is)
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The Philosophy of JIT Focuses on improving every operation- Kaizen (continuous improvement) Install simple visible control systems (to make problems visible to be identified and solved) Flexibility to produce different models/features (to adapt to changing needs of customers quickly)
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Three Elements of JIT
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Elements of JIT Manufacturing Inventory reduction exposes problems Kanbans & pull production systems Small lots & quick setups (setup costs) Uniform plant loading Flexible resources Efficient facility layouts
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Role of Inventory Reduction Inventory = Lead Time (less is better) Inventory hides problems
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Kanban Production Kanban card A card that specifies the exact quantity of product that needs to be produced.
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  • One '14
  • Kanban, JIT Manufacturing

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