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On Standard Tools and Standard Solutions…

Christoph Roser — Tue, 05 Apr 2022 11:00:32 +0000

On the web and in print, you find frequent mention of a “lean toolbox,” “lean toolbook,” or similar. These books do have their use, and at least one of them is written by an author that I highly respect. Many other lean books also focus on the different tools and methods. But focusing on a ... Read more

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Point-of-Use Provider Routing

Christoph Roser — Tue, 11 Dec 2018 11:00:25 +0000

This is my last post of a series of three posts on point-of-use providers (also known as mizusumashi, water strider, or water spider). In this post I will go into much more detail on the routing of the point-of-use provider. A less-busy point-of-use provider can handle multiple lines. Similarly, very busy lines may have multiple ... Read more

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Point-of-Use Provider Calculations

Christoph Roser — Tue, 04 Dec 2018 11:00:26 +0000

In this second post of my series on point-of-use providers (also known as Mizusumashi, water strider, or water spider), I will discuss the calculation of the workload for the point-of-use provider … although calculation is a way-too-big word for what is, in practice, guesswork with limited data of low quality. However, I hope it helps ... Read more

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Introduction to Point-of-Use Providers (or Mizusumashi)

Christoph Roser — Tue, 27 Nov 2018 11:00:28 +0000

The point-of-use provider, also known as Mizusumashi, water strider, or water spider, is a worker that supplies material to the point of use. Similar to a waiter bringing food and drinks (and beer 🙂 ) to the customer, the point-of-use provider brings material to the workers. The latter, however, merely refills materials rather than custom orders. ... Read more

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All About 5 Why

Christoph Roser — Tue, 10 Jul 2018 11:00:53 +0000

If you’re doing lean, you will encounter people telling you to do “5 Why” everywhere. And the method sounds simple, just ask “Why?” five times to find the root cause of a problem. However, there is a surprising amount of depth to this, as well as some pitfalls. Let me elaborate: A Simple Method? The ... Read more

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Just in Sequence Part 3 – What Can Go Wrong

Christoph Roser — Tue, 29 Aug 2017 11:00:02 +0000

This third and last post on Just in Sequence details all the things that can go wrong, and talks about how to fix them. The biggest problem is if the sequence of your Just in Sequence part does not match the main component that it should be sequenced to. This happens especially due to defects ... Read more

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Just in Sequence Part 2 – How to Do It

Christoph Roser — Tue, 22 Aug 2017 11:00:32 +0000

In this second post on Just in Sequence, I would like to talk about some details on the actual sequencing of parts: when to use Just in Sequence in the first place, which parts to sequence, and how to define the sequence. These are all organizational details to make Just in Sequence work. In my ... Read more

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Just in Sequence Part 1 – What Is It?

Christoph Roser — Tue, 15 Aug 2017 11:00:18 +0000

“Just in Sequence” (JIS) is a good way to supply material to high-mix, low-volume production. It combines well with “Just in Time” (JIT) and “Ship to Line” (STL), but neither are a prerequisite for Just in Sequence. In automotive it is sometimes also called In Line Vehicle Sequence (ILVS). In this series of posts I ... Read more

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