Configure the engineering BOM generation > Set properties and relations to be copied to a part in an engineering BOM
Copying of the quantity, variant formula, and UOM properties
Quantity, variant formula and UOM are copied by default, without requiring any preference settings.
Summarization on
| Action | Quantity (On screen value can be a logical combination of input values) | Variant Formula (On screen value can be a logical combination of input values) | UOM |
|---|---|---|---|
| Design to Part (occurrence alignment) — Generate | Summarized and copied | Summarized and copied | Copied during the creation of a new part occurrence even if not specified in the preference value. |
| Design to Part (occurrence alignment) — Update | Summarized and copied. Even though it is specified for copy, you can skip it. | Summarized and copied. Even though it is specified for copy, you can skip it. | Copied during the creation of a new part occurrence even if not specified in the preference value. |
Summarization off
| Performed action | Quantity (On screen value can be a logical combination of input values) | Variant Formula (On screen value can be a logical combination of input values) | UOM |
|---|---|---|---|
| Design to Part (occurrence alignment) — Generate | Copied | Copied | Copied during the creation of a new part occurrence even if not specified in the preference value. |
| Design to Part (occurrence alignment) — Update | Copied. Even though it is specified for copy, you can skip it. | Copied. Even though it is specified for copy, you can skip it. | Copied during the creation of a new part occurrence even if not specified in the preference value. |
Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.dbom_ebom_alignment_admin/lij2444634094841 · retrieved 2026-07-11