How to Reduce Your Lot Size Part 3—Customer, Machine, Leveling, and Tradition

This is the third and last post in my series on how to reduce the lot size. The first post gave some introduction and how to approach the problem of reducing lot sizes. The second post looked in more detail at how to reduce lot sizes due to changeovers, container size, and shipment size. This final post will look at the remaining causes of customer order size, machine batch size, the abominable leveling pattern, and tradition.

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How to Reduce Your Lot Size Part 2—Changeover, Container, and Shipments

In my last post I gave some basics on how to reduce the lot size in order to reduce both inventory and fluctuations (mura). There are many different reasons why you may have larger lot sizes in the first place. Depending on the root cause, the possible solution may differ. In this and the next post I will look at these different root causes and possible solutions in more detail.

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How to Reduce Your Lot Size Part 1—Introduction

In lean, the perfect lot size is one. Ideally, you should be able to make your products in a lot size of one. However, especially in mass production, larger lot sizes are common. Getting down to smaller lot sizes, or ideally to a lot size of one, is not always easy, and sometimes may not even be economically feasible (yet!). Let me discuss ways to reduce lot sizes.

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