Which Technical Types Exist?
The system supports two technical types of BOM to represent similar product variants and production alternatives:
· Variant BOMs
A variant BOM groups together several BOMs that describe different objects (for example, products) with a high proportion of
identical parts.
A variant BOM describes the specific product variant for each product, with all its components and assemblies.
· Multiple BOMs
A multiple BOM groups together several BOMs that describe one object (for example, a product) with different combinations of
materials for different processing methods.
The system does not define the technical type until you create either an additional alternative for a BOM or a different variant for
an existing BOM.
When do I Create a Variant BOM?
The term "variant" refers to changes to the basic model of a product. These changes occur when components are left out or
added.
If you are producing several similar products that have a lot of common parts, you can describe these products using a variant
BOM. This is the case, for example, if you replace one material component with another to make a different product. Variants can
also differ by containing different quantities of a component. You create the new BOM as a variant of an existing BOM.
You can only create a variant BOM from a simple material BOM. No multiple BOM can exist for the material.
A multiple BOM cannot be converted to a variant BOM.
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When do I Create a Multiple BOM?
One product can be manufactured from alternative combinations of materials depending on the quantity to be produced (lot size).
The product is represented by a number of alternative BOMs (alternatives). The differences between the alternative BOMs are
only small. Usually the only difference is in the quantity of individual components.
Multiple BOMs are only supported for material BOMs.
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