A blog by Oleg Shilovitsky
Information & Comments about Engineering and Manufacturing Software

Why BOM Management Is Complex?

Why BOM Management Is Complex?
Oleg
Oleg
12 May, 2014 | 2 min for reading

bom-complexity-manufacturing

My last post about Manufacturing BOM raised few interesting comments online and offline. One of them by Jos Voskuil  was pretty straightforward – “What is a big deal about MBM”? Jos pointed me on his earlier post – Where is MBOM? This post as well as few other articles I posted earlier – Why companies are not ready for single BOM? and BOM 101: 5 Don’ts for BOM management made me think why BOM is so complex. I wanted to share these reasons and ask your opinion. Here are my top 3 list of issues that are leading to significant BOM management complexity: 1- Items/Parts identification; 2- Views; 3- Synchronizations. Let me go and explain more specifically what I mean.

1 – Item / Part Identification

Item Master. Item. Part. Assembly. Product. You name it… But whatever you call it, you come down to the way (and format) to identify Parts. Part number is probably the simplest wayto identify things in product design, manufacturing and support. The next question – what Part Number? Things are simple only on the surface. As soon as you dig inside, you find yourself surrounded by manufacturing part numbers, design parts, suppliers part numbers, support parts and many others. The information about them resides in multiple data databases, spreadsheets and systems.

2- Views (or Product Views or BOM Views)

You may think about bill of material as a list of parts and everything else you need to make a product. However, very fast it gets complicated with product configurations, manufacturing information, suppliers,  As-built BOM and maintenance parts. To differentiate and manage all this information is not a simple task.

3- Synchronizations.

As I mentioned before, bill of material information (multiple BOMs) are usually managed by different systems. Often (in case of PLM) multiple BOMs are managed by PLM system itself. Now think about change processes and updates. Each one generates a sequence of updates and dependent operations that needs to be done to synchronize BOMs and keep them in a consistent status. Indeed, one of the most complex tasks in BOM management.

What is my conclusion? BOM is not simple thing as you might think from the beginning. To keep system in sync with diversity of data and processes takes time and effort. Variety of product development and manufacturing approaches, global deployment, etc. How to overcome the complexity of BOM management? Look forward to learn about BOM management complexities you are facing developing and implementing BOM management solutions.

Best, Oleg

Disclaimer: I’m co-founder and CEO of OpenBOM developing cloud-based bill of materials and inventory management tool for manufacturing companies, hardware startups, and supply chain. My opinion can be unintentionally biased.

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