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Weldments in indented BOM - cut list incorrect

Question asked by Mark Tafelski on Feb 23, 2011
Latest reply on Mar 7, 2011 by Adrian Velazquez

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Does anyone else use or has anyone else attempted to use an indented (top level) BOM with cut list items for weldments?

I have been attemping (since I think SW 2006 or 2007) to use a top level indented BOM with weldment cut lists included.

I have a BOM template created for this task and did some test BOM's on existing projects.

I have noticed that some weldment details are either missing or incorrect sizes.

From what we have figured out, the intented BOM is showing cut list items from the "as machined" version of the weldments.

I have been attemping to work through this with our VAR and SolidWorks and the latest answer that I received back is that I may have to put in an "enhancement request".

How can this be an enhancement request when the BOM is wrong??

Has anyone else tried this and noticed the same thing?

Thank You,

Mark

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Roy Potter Feb 24, 2011 8:49 AM
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Hi Mark

I've used weldments with an indented BOM and have come across a lot of problems and then sometimes it works fine.
The main issues that I have found occur when:
inserting a 'standard' part.
Using more than one configuration of a weldment in an assembly.
Mirroring a weldment to as a new part

The problems that I have encountered are:
The wrong length is reported, tends to be with configurations and SW only looks at the active configuration in the part.
The value is not evaluated and I get the expression in the BOM.
Cutlist does not contain values - this tends to be with saved bodies, mirrored etc.

Trying to document these and make sure they occur repeatedly is difficult.
I could avoid these, but then I loose what I would consider to be the advantage of some of the modelling operations available.

So yes I have experienced what you say but I can't offer a general work around as there are different factors to consider. For the sake of the drawing I have sometimes manually overwritten the table but, I don't like doing this.

From what we have figured out, the intented BOM is showing cut list items from the "as machined" version of the weldments.
Would this not be the case of the BOM looking at the configuration used in the assembly? Admittedly this is different from a weldment cutlist which looks at the 'as welded' config.

Roy.
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- Mark Tafelski @ Roy Potter on Feb 25, 2011 6:18 AM
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  Maybe my frustration is coming from my expected use of an indented BOM with the option "DETAILED CUT LIST" checked.
  
  My goal would be for the indented BOM, with cut lists, on an assembly to included everything in the assembly that is required to build the assembly. Since I have the weldment CUT LIST on each detail drawings for the weldments and i pick the "DETAILED CUT LIST" option in the indented BOM I would expect them to be the same.
  
  Per the Solidworks help page on weldment cut lists:
  I'm attempting to show the "CUT LIST" in both places and they don't match. I guess I'm having a hard time seeing this as an enhancement request.
  
  For now my only option appears to be using a standard parts only BOM and the cut list from each individual drawing to the the complete list of "whats required" to build the assembly.
  
  At this point I'm still waiting for one more update from the VAR to findout the "final" answer from SolidWorks.
  
  Mark
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  - Roy Potter @ Mark Tafelski on Feb 28, 2011 7:35 AM
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    Mark,
    
    I'm attempting to show the "CUT LIST" in both places and they don't match. I guess I'm having a hard time seeing this as an enhancement request
    
    Are they both weldment cutlists or is one an indented BOM?
    You can insert a BOM into a weldment and dissolve the weldment in the BOM table. The displayed information should then be the same in both files.
    
    What differences are you getting?
    Just a thought have you checked that both configurations (as-welded/as-machined) have the same features enabled?
    
    Roy.
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    - Mark Tafelski @ Roy Potter on Mar 2, 2011 10:28 AM
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      Roy,
      
      I've attached a PDF of both the indented BOM (with cut lists) and the actual Weldment Cut List.
      
      I'm not sure what you mean in regards to "insert BOM into weldment and dissolve the weldment in the BOM table" . I've tried dissolving the weldment in the assembly BOM and get the same results.
      
      I've attached a PDF of the assembly BOM and weldment BOM.
      
      The feature lists are different between the "as welded" and "as machined" configurations do to the fact some of the items are machined after fabrication.
      
      Please let me know if the "insert BOM into weldment" that you mentioned is something different from what I tried.
      
      Detail #4 in the weldment is one of the items showing different between "as welded" and "as machined" due to the tapped holes not existing in the "as welded" configuration.
      
      I understand that the weldment is used "as machined" in the assembly and that is what the indented BOM is showing, I just can't understand why the indented BOM has the option for "DETAILED CUT LIST" when it is not showing the "cut list" that is already defined in the "as welded configuration" of the weldment
      
      Our main goal is to get a full BOM when we release to manufacturing. My only option at this point is to create and save to Excel a Parts only BOM of the assembly and then individually save out the cut lists for each weldment in the assembly.
      
      Thanks,
      Mark
      Attachments
      12345-1000.pdf54.4 KB
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      - Adrian Velazquez @ Mark Tafelski on Mar 4, 2011 6:50 PM
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        Mark,
        
        I think your problems are your Custom Property & Configuration Specific Properties values, not the BOM nor CutList. Maybe your Indented BOM and Cutlist are looking at different Values.
        
        We use Indented BOMs with Detailed Cutlist and have no problems/
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        Mark Tafelski @ Adrian Velazquez on Mar 7, 2011 6:18 AM
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        We only run into issues when the weldment has a feature in the machining configuration that makes the parts of the weldment different in the "as machined" as compared to the "as welded configuration". I've attached the SolidWorks models of the example that I posted a PDF of in the previous message. I don't see any options that would impact this.
        
        Do you have features in your "as machined" configuration that would make details that are identical in the "as welded" configuration different in the "as machined" configuration?
        
        Thanks,
        Mark
        Attachments
        weldment-cutlist.zip1.5 MB
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        Adrian Velazquez @ Mark Tafelski on Mar 7, 2011 11:42 AM
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        Mark,
        
        Look at your properties of your weldment cutlist, in some members you have the STOCKSIZE property and in other your use the DESCRIPTION. Your properties need to be consistent for all members to populate your BOM & Cutlist Columns accordingly.
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        Mark Tafelski @ Adrian Velazquez on Mar 7, 2011 12:31 PM
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        Adrian,
        
        I had them filled in completely in the "as welded" configuration. I've now filled them in complete in the "as machined" configuration as well.
        
        You will see (due to the machining in the as machined config) that the "as machined" shows 8 different items and the "as welded" shows 4 different items.
        
        I now see a complete, although different, stock list in my indented BOM form the one shown on the weldment drawing.
        
        Is this the same as what you are currently using? Do you cleanup the cut list in both configurations?
        
        Is there a way to get the "as welded" to match the as machined so that they are identical on the indented BOM and the weldment cut list?
        
        Thank You,
        Mark
        Attachments
        12345-1000.pdf54.2 KB
        custlist-as-machined.png47.0 KB
        custlist-as-welded.png36.3 KB
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        Kenneth Barrentine @ Mark Tafelski on Mar 7, 2011 12:57 PM
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        you can delete the as welded config if you don't have a need for it. i never use them so that's the first thing i do after inserting the weldment feature.
        
        you can also disable the config text strings to further thin out the muddy waters.
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        DisableWeldmentStrings.jpg137.6 KB
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        Adrian Velazquez @ Mark Tafelski on Mar 7, 2011 1:00 PM
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        Mark,
        
        What configuration is the Cutlist (on the weldment drawing) looking at? Make sure your Assembly and your Weldment are looking at the same configuration for your tables. Seems like they are looking at different configurations (Your welment ballons are pointing at the <as welded> view), that's why they are different.
        
        We don't use Cutlist we do Indented BOM w/Detail Cutlist for our weldment drawings (the way Roy mentions). And we turn the <as weldend> and <as machined> labels off (like Kenneth mentions).
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Weldments in indented BOM - cut list incorrect

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