BILL OF MATERIAL (BOMB) IN SAP PP: CREATE, CHANGE, DISPLAY

What is the Bill of Material (BOM) and its role?

A bill of material is a complete and formally structured list of components that make up a product or assembly. This list consists of material numbers for each component, along with quantities and units of measure.

• BOM can be single and multi-level. For example, finished materials will contain intermediate materials as components which in turn will contain raw materials as components at the next level.
• There may be different alternative BOMs for a product depending on different lot sizes, validity dates, and production methods
• BOM is used in production planning for semi-finished planning and purchasing for raw materials.
• BOM is also used in the calculation of standard costs for finished products by rolling costs from raw to semi-finish and then to finished products
• BOM materials can be made for materials in PP modules and BOM Equipment is used in the Plant Maintenance / PM module

In this tutorial - will be learned about:

2. How to create BOM
3. How to change BOM
4. How to see BOM

HOW TO CREATE BOM

Step 1) From the SAP screen open transaction CS01

• Enter the parent material for the BOM to be created.
• Enter the Plant Code.
• Enter BOM usage = "1" that is used for Create Production BOM
• Enter a valid date from which means that the BOM will be validated from that date.

After filling all the fields, click or press the Enter key to go to the next screen.

Step 2) On the next screen.

• Enter an Item Category with "L" that is used for stock items and can be the default.
• Enter the Component material code in the Component Field.
• Enter the Component quantity shown below.
• Some information such as description and unit measure of the component will be taken out by the system automatically after clicking or pressing Enter on the keyboard button.

Note:To look further down through BOM for one of these components, double click on the inside column of the Assembly column. If the box is not checked, then the component has no further BOM

Step 3) On this screen,

•   Click on the icon to see the BOM header, the system will show the BOM header screen at a later stage:

Step 4) In the BOM header view,

• Fill in the base quantity in the parent material. If this is 1 EA (each), then the component quantity will describe how much is needed to produce 1 item
• Click to save the new BOM after checking, the system will show a message in the lower left corner.  

Now in the next stage we will see, how to change the BOM?

How to change BOM (CS02)

We will change the BOM if there is a change in the list of components or the quantity of components used to produce FG products.

Step 1) From the SAP screen open transaction CS02

• Enter BOM parent material to be changed.
• Enter the Plant Code.
• Enter BOM usage = "1" which is used to change the BOM Production.
• Enter a validation date from which means that the BOM will be valid from that date.

Step 2) After filling all the fields, click to go to the next screen.  

• Change the component code or quantity.
• After completing all modifications, click to save BOM  . The system will show a message as changed in the lower left corner. 

 How to see BOM

Step 1) From the SAP screen open transaction CS03

• Enter the parent material for the BOM to be displayed.
• Enter the Plant Code.
• Enter BOM usage = "1" which is used to change the BOM Production.
• Enter a date validation from which means that the BOM will be validated from that date.

Click    to go to the next screen

Step 2) On this screen, list the components with the quantity to be displayed.

• Click  the icon to see the BOM header.

In the next step, you will see a BOM header.

Step 3) At this stage, the BOM header will be displayed.

• Display base quantity of product.

Troubleshooting :

• There may be cases where component materials do not exist. For this, you need to make master material for component materials before making BOM.
• Some users try to make BOM again for the same product,
• the system gives a warning message about "Alternative BOM2 is being made" and they tend to ignore the warning message and move forward and therefore end up creating a similar alternative BOM 2 for the same product.
• This does not need to make duplicate data

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