The SOLIDWORKS BOM typically includes columns linked to Custom Properties in the models. Therefore changes to the Custom Properties in the model will update the drawing BOM. Each cell is linked to the property of that component. However if you double-click on a cell in the BOM, you have an option to Keep Link or Break Link.
SOLIDWORKS BOM Cell: Keep Link
If you choose ‘Keep Link’, it maintains the link to the model’s Custom Property. You can change the value in the BOM cell and it will update the corresponding Custom Property in the component. The updates go both ways and remain linked.
SOLIDWORKS BOM Cell: Break Link
However if you choose ‘Break Link’, this cell is no longer linked to the Custom Property. You are now manually entering a value. This will not update the corresponding component’s Custom Property and likewise it won’t update from any changes on the component end.
To re-link a cell that has been broken, double-click on the cell to edit and delete all text. This will bring back the link and show the component’s Custom Properties.
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