Over production waiting time unnecessary

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Over production Waiting time Unnecessary transportation Processing waste (unnecessary steps, scrap) Waste of motion Product defects (rework)
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21 1 Hr. 1 Hr. 1 Hr. Reducing Waste: Cut Batch Sizes Conventional method: Batch of 20 Four products: A B C D 20 40 60 80 100 Lean method: Batch of 1 Conventional Lean TPT 60 Hrs 3 Hrs CT 1 Hr/unit 1 Hr/unit WIP 60 units 3 units
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