Using Empty Slots on the Assembly Line

Hyundai moving walkable platform assembly line Normally, assembly lines are run with a product in every slot of the line. However, for various reasons, sometimes you may have an empty spot. Depending on your assembly line, you may even play with the general distance between products on the line. The latter is called variable takt, or VarioTakt. In this post I will explain about empty slots on the assembly line, and in the next post I will explain VarioTakt in more detail.

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The Two Directions of Poka Yoke

Poka yoke is Japanese for mistake proofing. It is a way to reduce errors and mistakes by designing the product so that it cannot be assembled or used incorrectly. I find this extremely useful, not only in manufacturing but also in many instances in daily life where poka yoke prevents me from making mistakes. In this post, I would like to talk about poka yoke, and the two fundamentally different directions poka yoke can take.

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Different Aspects of Seeing a Shop Floor—Data

In this series on how to understand a shop floor, I talked a lot about the physical shop floor—which in my view is the more important part. However, as mentioned in my last post, looking at already collected data also gives a lot of insight into the shop floor. Depending on the aspect you are interested in, data may be the only way to grasp the situation. Hence, this post will look deeper into how to work with data to understand the shop floor.

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Different Aspects of Seeing a Shop Floor—Gemba vs. Data

In my last three posts I showed you how I look at shop floors, starting with some general guidance (FOCUS!) and going into detail through the different aspects of what I try to observe on the shop floor (5S, visual management, waste, unevenness, overburden, and safety). This usually gives me a reasonable overview of what is going on on the shop floor. However, this is not all I do. For projects, I may have project specific observations (e.g., when I do a SMED project, I observe in detail the actual changeover). But beyond that, there is another source: the available data! Hence, this post will compare information you observed yourself on the shop floor (the gemba) vs. data obtained by others or by computers.

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Different Aspects of Seeing a Shop Floor—Visual Management, 5S, and Waste

In my last post I looked at some general tips on how to see the shop floor. Most of them involve focusing on the right areas of the shop floor, and avoiding interesting but not relevant technical details. This post will discuss different aspects that can be observed. Here, too, try not to see everything at the same time. This will make you like a young tiger hunting ducks; if he tries to catch them all, he will catch none.

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Different Aspects of Seeing a Shop Floor—Introduction

EyeI am in the lucky position of seeing a lot of different shop floors through my work. This requires me to quickly understand what is going on on the shop floor and to estimate how well the shop floor is managed. What my hosts tell me and what I see unfortunately does not always match. In this series of posts I would like to go through my steps for understanding the shop floor to form my own opinion on the production system.

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