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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Production BOM consump...
Microsoft Dynamics AX (Archived)

Production BOM consumption for MRP

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Posted on by Darshanak 261

Dear Consultants,

Please go through below scenario on BOM consumption and advise,

My product is XYZ - Sales order qty is 100 Pcs

in XYZ BOM lines, I have a Item called ABC, standard BOM consumption is 1 Pcs per 1 XYZ Qty

I ran the MRP, it gave me a planned PO for item ABC for 100 Pcs.

I have done the product receipt for this 100 Pcs and now it is in Stock.

I got a work order for Item XYZ for 100 Pcs, I firmed it and now its available in production Control.

@ Production BOM I had changed Item ABC consumption as 4 Pcs per 1 XYZ Qty.

Then I ran MRP again, I was expecting another planned PO for Item ABC for 300 Pcs but there were no planned PO.

Please advise, whether its possible to setup MRP to consider production BOM consumption or not.

If any setup changes required, please advise

Thanks

DarshanK

 

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  • Suggested answer
    Community Member Profile Picture
    Community Member on at

    Hi Darshank,

    Have you re-estimated your Production order after you changed consumption from 1 to 4 of ABC to make XYZ? Check on the production order BOM under "Quantity" tab, make sure you have 400 required to make 100 units. Re-run MRP and you should see demand of 400 untits, 100 from current PO and 300 from planned order to cover it.

    Regards,

    V

  • Darshanak Profile Picture
    Darshanak 261 on at

    Hi V,

    yes, I ran a re estimation before the MRP run. However, no planned PO's for balance 300 Pcs of ABC.  please advise

  • Community Member Profile Picture
    Community Member on at

    Hi Darshanak,

    Would you mind to share screen of NET Requirements form for ABC part? Is there a demand for 400 parts? After you re-estimated the production order, did it updated estimated quantity from 100 to 400 on the production order BOM?

    Edit: Can you confirm - if you changed consumption from 1 to 4 on XYZ BOM it self or on actual production order BOM?

    Regards,

    V

  • Suggested answer
    Nagendra Varma K Profile Picture
    Nagendra Varma K on at

    HI Darshanak,

    If you have changed the BOM after the planned order & work order is already created the results you expected may not be the same. Try to reset the production order. Than remove marking if set between sales order and Production order. Than Re-generate the MRP again, before you regenerate please ensure you delete Planned order which are hanging previously.

    Let us know if the outcomes are as expected or any issues.

    Thanks

    Nagendra Varma K

  • Darshanak Profile Picture
    Darshanak 261 on at

    Hi V & Nagendra,

    Thanks for the feedback.

    After the initial Run of MRP, it gave a me a planned PO for ABC 100 Pcs. i have firmed that planned PO and completed the product receipt. now I have 100 Pcs in stock.

    Later on, at production BOM, I have changed the consumption in to 4. then I have re estimated the production order.

    After doing this, @ transaction level of ABC,

       1. I have a reserved Physical qty of 100 Pcs against my production order

       2. I have  a on order qty of 300 Pcs against my production order

    Then I re ran MRP (I ran Dynamic plan) . I was expecting another planned PO for 300 pcs of on order qty but there were none.

    Hoping for your advise.

    Rgds

    Amila

  • Suggested answer
    Nagendra Varma K Profile Picture
    Nagendra Varma K on at

    HI Darshanak,

    1. When you already change the BOM consumption and if you are looking to see the result as per new calculation. First thing for the 100 ABC which is already reserved to the WO this is like already fulfill the demand for the SO and system cannot consider the latest updates for the BOM. in your case what you can.

    2. Remove reservation of the 100 qty to the work order and also reset the WO and delete.

    3. Now your So has 100 Qty and than run MRP now by right it should create 300 ABC and 100 XYZ which is finish goods.

    Thanks

    Nagendra Varma K  

  • Darshanak Profile Picture
    Darshanak 261 on at

    Thanks Nagendra,

    It makes sense,

    However, If I delete the existing work order, then there wont be a production BOM.

    Do you suggest to do the consumption changes at the standard BOM and re run the MRP.

    If above is yes,

    we are not allowed to do the changes on to the standard bom consumption we need to keep it as it is.  

    The above is a practical scenario which can happen in any commercial sector.

    We might order materials with standard consumption, and during the production cycle we might have short fall of materials due to the higher consumption (we might pick more materials than required). so we need the MRP to suggest new planned PO's for the shortfall of materials.

    Please advise

  • Suggested answer
    Nagendra Varma K Profile Picture
    Nagendra Varma K on at

    HI Darshanak,

    If this is the case than you may not get planned order generated for the BOM after change. what you can do for this kind of scenarios You should be having minimum stock levels which will ensure your BOM consumption quantity is meet while higher consumption. What you can do you can maintain minimum stock for such items and update the purchase lead time so that these planned orders will be created on when basis when the stock falls certain level and also include demand which is coming on daily basis.

    Thanks

    Nagendra varma K

  • Darshanak Profile Picture
    Darshanak 261 on at

    Thanks Nagendra,

    You have clarified the back end process and the logic behind.

    The bottom line would be (better if you can double confirm),

    MRP will not look for the consumption changes that we do at production BOM level when it creates planned orders.

    It will look only for the standard BOM consumptions.

    However, if we changed the consumptions at Production BOM, it will change the estimated consumption/Cost and the picking list journal will be based on the altered production BOM consumption.

    Thanks

    DarshanK

  • Suggested answer
    Nagendra Varma K Profile Picture
    Nagendra Varma K on at

    Hi Darshan,

    To clarify in summary

    1. MRP will consider BOM changes before you Run MRP & create Planned order & Production order.

    2. In you case You cannot generate Planned order after Production Order is created, You can only create through setting min/max quantity to create additional orders.

    As long as there is no demand & forecast MRP will not generate planned orders.

    Thanks

    Nagendra Varma K  

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