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MATERIALS-MANAGEMENT5 MIN READ

Reorder Before the Shelf Tells You

Explain how reorder point combines lead-time demand and safety stock into an actionable trigger.

The move: trigger replenishment before lead-time demand eats the shelf. A reorder point has two pieces: expected demand during lead time and safety stock. If a plant consumes 20 filters per day and replenishment takes six days, the operation needs about 120 filters just to survive the normal lead-time window. If supplier or demand variability regularly adds another 30 filters of exposure, the trigger should be around 150. The useful question is not "how many do we have?" It is "how many will we consume before the replacement arrives?" That question converts inventory from a static shelf count into a…

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