How to Establish Stock-Out-Risk Goals

Here is an example of a recent question that we were asked by a client. I have a unit that with a lifetime of 10 years and I want zero stock-out-risk. How many spare parts should I recommend? The short answer to this is infinity spare parts. Only infinity spare parts...

What is Spare Parts Optimization?

One of our customers recently asked: The budgets of our customers are being continually slashed, yet they still want and need the same level of spare parts support. Is there a way of using Spares Calculator to help them spend their money more wisely so that they get...

How to Convert Optimization Goals for Spare Parts Inventory

In this article we show how to convert the Probability of Availability to Stock-Out-Risk or Mean-Time-Between-Stock-Out for Spare Parts inventory. Problem Spares Calculator can forecast [Stock-Out-Risk],  [Mean Time Between Stock-Out] and [Probability of Availability]...

What is MTBSO?

Why use a MTBSO (Mean Time Between Stock-Out) goal? Why not use Stock-Out-Risk or Availability? Problem a) No Time-Frame Often requirements documents will specify something like, “spare parts availability shall be 95%”. What does this mean? Nothing. For an...