We are an OEM and use a single BOM only and Indicate TH, MECH and SMD by 
other means. It seems to me that customers and ISO auditors would have a 
problem with having two BOMs from a revision control perspective.

Leif Erik Laerum



On 11/30/2010 9:30 AM, Smith, Rick wrote:
> Hi Folks,
>
> Engineering currently produces two separate BOM's for a single board assembly, 1 for SMD's and the other for PTH parts which are subsequently entered into the ERP system by Doc Control. Without going into a lot of detail I understand the reasons for the separate BOM's are related to production logistics, routings and cost.
>
> I am told this is typical in the industry for OEM's and would like to either corroborate or debunk this with your responses. I am trying to determine if the 2 BOM system is necessitated by ERP limitations or the result of a misguided approach to process development.
>
> Does anyone use the two BOM approach for a single board assembly?
>
> Thanks!
>
> Regards,
> Rick
>
>
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