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Dynamics NAV BOM For Production

NAV BOM For Production

A Dynamics NAV BOM production holds master data that describes the components and sub-assemblies used in the production of a parent item. Once the production order is created for the parent item, its production BOM will govern the calculation of the material requirements as represented in Production Order Components window.

Dynamics NAV BOM

Dynamics NAV BOM

Microsoft Dynamics NAV BOM Supports assembly BOMs. You use orders for making end items from the components in the simple process that can be performed by one or more basic resources, which are not the machine or work centers, or without any resources. For example, the assembly process could be to pick 2 wine bottles and 1 coffee sack and then pack them as a gift item.

Before you can set up routing, the following must be in place:

  • Item cards are created for the parent items that take part in the manufacturing.
  • Production resources are set up.

Dynamics NAV BOM Create Production

Dynamics NAV BOM Production

Dynamics NAV BOM Production

  1. Enter the Production BOM, and then select the related link.
  2. Choose New action.
  3. Fill in the fields as necessary. Select the field to read a short description of the field or link to more information.
  4. To edit the Dynamics NAV BOM, set the Status field to New or Under Development. To activate, set the Status field to Certified.
  5. Proceed to fill in the Dynamics NAV BOM production lines.
  6. In the Type field, choose whether the item on this BOM line is the ordinary item or a production BOM. If an item on the line is the production BOM, then it must already exist as the certified production BOM.
  7. In the No. field, look up and select the item or production BOM in question, or type it in the field.
  8. In the Quantity Per field, enter how many units of an item go into the parent item, for example, 4 wheels for one car.
  9. In the Scrap % field, you can enter the fixed percentage of the components that are scrapped during the production. When the components are ready to be consumed in released production order, this percentage will be added to the expected quantity in the Consumption Quantity field in a production journal.
  10. In the Routing Link Code field, enter a code to connect the component to a particular operation.
  11. To copy lines from the existing production BOM, select the Copy BOM action to select existing lines.
  12. Certify the production BOM.
  13. You can now attach the new production BOM to a card of a parent item in question.

To create the new version of a production BOM

New versions of the production BOMs are used when, for example, the item is replaced by another item, or when the customer requires the special version of the product.

The version principle enables the various versions of the production BOM to be managed. The structure of a production BOM version corresponds to the structure of a production BOM. The basic difference is in time validity of the versions. The validity is defined by the starting date.

The beginning date indicates the start of the period in which this version is valid. For all the other considerations, the beginning date is a filter criterion for calculations and evaluations. The BOM version is valid until the next version becomes valid for its beginning date.

  1. Enter the Production BOM, and then select the related link.
  2. Choose the production BOM to be copied, and then select the Versions action.
  3. On the Home tab, in the New group, choose the New.
  4. Fill in the fields as necessary.
  5. InVersion Code field, enter the unique identification of the version. Any combination of numbers and letters is permitted.The newly made version is automatically assigned the status New.
  6. When BOM version is done, setting the Status field to Certified.

The time validity of the version is mentioned by the Starting Date field.

Quantity Calculation Formula on Production BOMs

The quantity is calculated, that taking into consideration in different dimensions which are also entered on the production BOM lines. The dimensions refer to the order unit of the respective item. The length, width, depth, and the weight can be entered as the dimensions.

The Calculation Formula, Length, Width, Depth and the Weight columns are not shown, because they are only used by some users. If you want to use the calculation of the quantity, you must first show these columns.

The relation of an individual components is defined by the calculation formula. The below possibilities are available as a calculation formula:

  • Empty – No consideration of dimensions. (Quantity = Quantity per.)
  • Length – Quantity = Quantity per * Length
  • Length * Width – Quantity = Quantity per * Length * Width
  • Length * Width * Depth – Quantity = Quantity per * Length * Width * Depth
  • Weight – Quantity = Quantity per * Weight

Example

In a Dynamics Navision BOM production, seventy metal parts with the dimensions length = 0.20 m and width = 0.15 m are required. The values are entered are: Calculation Formula = Length x Width, Length = 20, Width = 15, Quantity per = 70. The quantity is given by the Quantity per x Length * Width, that is, Quantity = 70 x 0.20 m x 0.15 m = 2.1 m2.

Work with Bills of Material

You use the bills of materials (BOMs) to structure parent items that must be assembled or produced by the resources or machine centers from components. The assembly BOM can also be used to sell the parent item as a kit consisting of its components.

Assembly BOMs or Production BOMs

You use assembly orders for creating the end items from components in a simple process that can be performed by one or more basic resources, which are not the machine or work centers, or without any resources. For example, the assembly process could be to pick 2 wine bottles and 1 coffee sack and then pack them as a gift item.

The assembly BOM is the master data that defines which component items will go into the assembled end item and which resources are used to assemble the assembly item.

When you enter the assembly item and the quantity in the header of the new assembly order, then the assembly order lines are automatically filled to the BOM with 1 assembly order line per component or resource.

You can use the production orders for creating the end items from the components in the difficult process that requires the production routing and work, which represent the production capacities. For example, the production process could be to cut steel plates in 1 operation, weld them in the next operation, and paint the end item in the last operation.

A production BOM is the master data that defines a production item and the components that go into it. for assembly items, the production BOM must be certified and assigned to the production item before it can be used in production order.

When you enter the production item on a production order line, either manually or by refreshing the order, then the Dynamics NAV BOM production content becomes the production order components.

The concept of resources in the production is much more advanced than in management. Work centers and the machine centers function as the resources, and the production is the operations that are assigned to resources in production routings.

Both assembly orders and the production orders may be linked directly to sales orders. However, you can use the assembly orders to customize the end item directly for the customer request with the sales order.

To create an assembly BOM

To define the parent item that consists of other items, and potentially of resources required to put the parent together, you must make the assembly BOM.

Assembly BOM

Assembly BOM

In Assembly BOMs usually, contain items but can also contain one or more resources that are required to put the assembly item together.

Assembly BOMs can have the multiple levels, which means that the component on the assembly BOM can be the assembly item itself. In that case, the Assembly BOM field on an assembly BOM line contains Yes.

Special requirements apply to an item on assembly BOMs with regards to availability.

There are 2 parts to creating the assembly BOM:

  • Setting up a new item
  • Defining the BOM structure of the assembly item.
  1. Set up a new item.Proceed to enter the components or resources on an assembly BOM.
  2. In the Item Card window for the assembly item, select the Assembly action, and then select the Assembly BOM action.
  3. In the Assembly BOM window, fill the fields as necessary. Select the field to read a short description of the field or link to more data.

To view, the components of the assembly item indented according to the BOM structure

From the Assembly BOM window, you can open a separate window that displays the components and the resources indented according to their BOM position under the assembly item.

  1. Enter Items, and then choose the related link.
  2. Open the card for an assembly item.
  3. In the Item Card window, select the Assembly action, and then select the Assembly BOM action.
  4. In the Assembly BOM window, select the Show BOM action.

To replace an assembly item with its components on document lines

From any sales and purchase document that contains the assembly item, you can use the special function to replace the line for an assembly item with new lines for its components. This function is helpful, for example, if you want to sell the components as the kit that represents an assembly item.

Caution: When you have already used the Explode BOM function, you cannot easily undo it. You must delete the sales order lines representing the components and then reenter the sales order line for an assembly item.

The below procedure is based on the sales invoice. The same steps apply to other sales documents and to all the purchase documents.

  1. In the top right corner, select the Search for Page or Report icon, enter the Sales Invoices, and then select the related link.
  2. Open the sales invoice that contains the line for the assembly item.
  3. Choose the line for an assembly item, and then Explode BOM line action.

All the fields on the sales invoice line for an assembly item are cleared except for the Item and the Description fields. Complete sales invoice lines are inserted for the components and possible resources that comprise an assembly item.

To calculate the standard cost of the assembly item

You calculate the unit cost of an assembly item by rolling up the unit cost of each component and resource in the item’s assembly Dynamics NAV BOM.

You can calculate and update the standard cost for one or many items in Standard Cost Worksheet window.

The unit cost of an assembly Dynamics NAV BOM always equals the total of the unit costs of its components, including other assemblies BOMs, and any resources.

  1. In the top right corner, select the Search for Page or Report icon, enter Items, and then select the related link.
  2. Open the card for an assembly item. (The Assembly Dynamics NAV BOM field in the Items window contains Yes.)
  3. In the Item Card window, select the Assembly action, and then select the Assembly BOM action.
  4. In the Assembly BOM window, choose the Calc. Standard Cost action.
  5. Select one of the below options, and then select the OK button.
Option Description
 Top   Level  Calculates an assembly item’s standard cost as the total cost of all the purchased or assembled items on that an assembly BOM regardless of any underlying assembly BOMs.
 All   Levels  Calculates an assembly’s item standard cost as the sum of 1) The calculated cost of all the underlying assembly BOMs on the assembly BOM. 2) The cost of all the purchased items on an assembly BOM.

 

The costs of the items that make up the assembly Dynamics NAV BOM are copied from the component item cards. Then the cost of each item is multiplied by the quantity, and the total cost is shown in the Unit Cost field on the item card.

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