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Re: Bill of Materials Generator Feedback

 

Hey,

For private projects i don't really care, in my company we create the BOM within the schematic tool. (Mentor Graphics DxDesigner btw) We declared that every part which is placed by our smt manufacturer has to be in the schematic. Sometimes we have some surface mounted spacers or even the board label as a QR sticker on our schematic. However, we can exclude parts from beeing in the bill of material, so they don't even show up as a assembly variant. With this opinion we can handle pluggable modules we bring into schematic for easier schematic drawing and visibilityand in our layout tool for a better estimation of the occupied area. But the don't come into the BOM, because we don't want our manufacturer to plug the board on.

Am 05.02.2016 um 18:40 schrieb Moses McKnight:
On 02/05/2016 11:19 AM, Andy Peters wrote:

On Feb 5, 2016, at 10:14 AM, Thor-Arne <lp@xxxxxxxxxxxxx> wrote:

I disagree, I find it to be the oposite of what you are saying.

The BOM should be generated from within pcbnew as this is the last time you can change or add the parts on the design.

You’ve never changed a resistor or capacitor value after bringing up a first-article board?

Also, if there are symbols on the schematic that doesn't have a footprint they have nothing to do on the list of materials that should be ordered.

What about heatsinks that attach to TO-220 packages?

You put non-board-mounted heatsinks on the schematic? How about screws, cases, and labels? I would think you would have a separate BOM for that kind of stuff anyhow...

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