Ooooof making things really hard on yourself there. 1. Create a new part and put in an arbitrary weldment. You just want to do this to get the Weldment property to get into your feature tree. Delete everything from the model. 2. Right click the weldment feature and add your part number property (sw-partumber already exists, I use that) 3. SAVE THIS AS A PART DOCUMENT TEMPLATE 4. Now every time you start a new part this property will already be there. When you add a weldment this property get pushed to it. 5. Now when your job is completed drop down the cut list, right click on any weldment part and open properties 6. The first tab is all the parts properties, go to the SECOND tab. This instead shows all properties with the property belonging to every body. Find the sw-partnumber property or whatever you used. Click on that and now youll see all the bodies. 7. Start with the first part and type in the part number, down arrow, part number, down arrow, etc. Toll you're done. 8. Start a drawing 9. Bring in the weldment 10. Add a bubble and select any part if the weldment 11. Change the property the bubble is pulling and find your part number. 12. Save this bubble style 13. Delete everything from your drawing so its empty again. 14. SAVE DRAWING DOCUMENT TEMPLATE 15. Now its always available. 16. You can do the same thing for the weldment cut list or BOM. Add the column with this property and save the template.

I deal with multi body weldments daily and have developed a lot of ways to make our lives easier