Hi Ruchi,
Bill of materials (BOM)
1. In the SAP System, you can use BOMs to represent different objects (such as materials, equipment, functional location BOMs, and documents) and to maintain object-specific data.
2. Document BOM: A complex document may be made up of several documents, such as a program, technical drawings, papers, and photographs. These related information and documentation objects are grouped together as a unit using a document structure – a BOM for a document.
3. Equipment BOMs are used to describe the structure of equipment and to assign spare parts to equipment for maintenance purposes. Bills of material for functional locations group together the elements of a technical structure, such as the functional unit of an entire plant.
4. You work with order BOMs when you specially tailor the make-to-order production of your products to the requirements of your customers. In order to meet the customer requirements, sales order specific modifications to various assemblies are often required. Furthermore, assemblies are often specially constructed for a particular sales order.
5. Before you can create a BOM for the component parts of an object, the object must have a valid master record in your system.
6. A bill of material that you create for a material is known as a material BOM in the SAP System. A BOM explosion answers the question: What is the product made of? This question arises in various situations, such as when you want to:
Determine material requirements for a product
Look at the overall structure of a product in a design department
See an overview of the parts and materials required
Calculate the effects of changes to costs
7. BOM is a collection of materials that make up a product. For example – computer, home theatre system. Material BOM is complex and is dependent on sales and distribution, material management or production planning.
8. The most important rule is that the material type has to be a FINISHED PRODUCT (FERT) in order to categorise it as a BOM.
9. BOM processing is divided into two different ways – either at the MAIN item level if the item is assembled or at the sub-item level (i.e. at the component level) if the material is not assembled.
10. BOM is configured at the item category level (VOV7) and transaction code to create a BOM is CS01.
11. In case of single level BOM, main item categories TAQ and TAP should represent single level BOM in VOV7 and in case of multi level BOM, the main item categories should represent multi level BOM.
Main item level processing
1. The material master records should have the item category group ERLA in the sales org.2 screen of the finished product. In this case, the associated sub items function only as text items, and thus are not relevant for delivery. This process ensures that pricing, inventory control and delivery processing is carried out the header level that is for the finished product only. This is mainly relevant to the assembled products.
2. item category group – ERLA; main item category – TAQ (schedule line – CP) and sub item category – TAE (schedule line – CT)
Sub-item level processing
1. If the business prefers to have the sub-items be responsible for pricing, inventory control and delivery processing, the item category group should be LUMF on screen sales org.2 of the respective material master record. This ensures that subcomponents are relevant for processing. This is relevant to the products that are not assembled.
2. item category group – LUMF; main item category – TAP (schedule line is CT), sub item category – TAN (schedule line is CP)
3. The functionality “Delivery Group” is used to ensure that all the components are delivered to the customer at the same time (VOV7). A delivery group can be viewed in the sales document by accessing the shipping overview of the sales order.
Multi-level BOM
In order to activate the multi-level BOM, structure scope in VOV7 has to be changed from single level explosion to multi level explosion.
Reward if helps,
Regards
Sai
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