Here is the challenge, it is hard to quantify. So, the Form, Fit, Function (FFF) factor describes the criteria or characteristic of the component or an entire assembly from the identification standpoint. These processes can happen in product development and also during the production and for released products. It all comes to the point of changes and how to identify what change will cause the need to issue the new part number or next revision. Once it is done, you can define a set of rules to change it when it is needed. It helps you to define the “item” and its paraments (eg. Identification is one of the most fundamental elements of configuration management. Check out The Bloodbath of Debates about FFF and revisions. The topic is not simple and I’m coming to discuss it again, because each time we say FFF and UpRev, it ignites the debates. Let me explain to you why and also how to avoid these mistakes. Because it can save you a lot of time asking questions and most importantly, making mistakes when you work on your next projects. If you never heard about it until now, take some time to read this article and reference materials. I used the abbreviation “FFF” in my response and got a question – what is FFF? This magic abbreviation is used quite often in manufacturing – FFF and it stands for “Form, Fit, Function). I had a conversion earlier this week about the BOM revision process.
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