What Is Safety Stock. Some businesses make the mistake of waiting until inventory is reduced to their safety stock level before making a new purchase order. So, if you want to maintain a service level of 90%, your service factor (z) will be 1.28.
Safety stock = safety factor x √[(pc/t x σd ^2 ) + ( σltlt x d rata2 )^2] untuk bagian kiri adalah safety stock karena variasi demand, lalu untuk sebelah kanannya safety stock karena variasi lead time. So, if you want to maintain a service level of 90%, your service factor (z) will be 1.28. Ada sebuah gudang distribusi memasok plastic roll untuk digunakan sebagai packing daging, di sebuah industri makanan.
Safety stock does put more burden on the company, in terms of costs and storage.
The purpose of safety stock is to ensure that, once you’ve run through your cycle stock (what you were expecting to sell during a. Safety stock will stop issues with your lead time and limit the impact of your service rate. A stockout means lost sales opportunities; It’s extra merchandise stored just in case they run out of the items on the shelves.