adhesive materials in BOM? 9

[bxbzq]

Hi there,
Do you include adhesive materials, like glue, thread lock, welding rod, solder, tapes, stickers etc. into BOM? If not, where should these materials go in your materials management system?

 

[berkshire]

tbuelna
Your comment about waste from Pre-Preg stock, Is the bane of most composite fabrication facilities.
They attempt to mitigate this, where possible, by using nesting programs on CNC cutters , or having patterns for small parts when hand cutting. This is one of the areas where kitters who can unroll cut and refreeze stock in one operation shine.
B.E.

You are judged not by what you know, but by what you can do.

 

[KENAT]

"Do you include adhesive materials, like glue, thread lock, welding rod, solder, tapes, stickers etc. into BOM?"

Adhesives, lubes, tapes, stickers... get put into the drawing parts list. Things like adhesive & lube I've always seen AR, tape I sometimes see a qty given and stickers I typically see qty.

For whatever reason(s) places/systems I've worked generally don't put weld rod, solder, paint or similar on the parts list.



However, I'm not sure you're talking about drawing parts list but rather BOM in your materials management program which is a slightly different kettle of fish.

Typically I've seen these kinds of items treated as some kind of 'floor stock' or 'free stock' with some sort of 'reorder point' level. My current employer actually outsources this, bascially a hardware supply company comes in a few times a week to check what's getting low and replenishes it. Not saying this is the panacea just what I've seen.

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[dgallup]

It's a grey area between what is a bulk item on the BoM and what is a "consumable". Cutting tools are always a consumable but we have some things like paint & calibration fluid that could go either way. I think a lot of times it comes down to how you order it. If you have a kanban system so that the purchasing orders more when ever the stock of consumables falls to a certain level then there is no need to put it on the BoM. That does make calculating true costs more difficult although if the quantity on the BoM is just AR then that isn't very useful either.

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[IRstuff]

"Do you include adhesive materials, like glue, thread lock, welding rod, solder, tapes, stickers etc. into BOM? If not, where should these materials go in your materials management system"

When someone cares about it, and it's put on a drawing, and is included with the product, it's indeed part of the bill of materials.

TTFN
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[tbuelna]

If the material ends up as part of the delivered end item, then it should be included as part of the BOM somehow. Either listed as a bulk material, or included indirectly as a consumable material described in a manufacturing process note on a drawing.