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22-Sapphire I
MikeLockwood22-Sapphire I
22-Sapphire I
April 7, 2016
Question

Best Drawing Formats

  • April 7, 2016
  • 3 replies
  • 12579 views

We're refining / updating / improving drawing formats and templates (Creo Parametric 3 with Windchill 10.2).

Looking for "lessons learned" and tips & tricks, etc. on this from all.  We have B, C and D - inch / mm.

Would appreciate any example files - especially how you populate various cells parametrically from models.

thanks


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    3 replies

    T
    23-Emerald IV
    TomU23-Emerald IV
    23-Emerald IV
    April 8, 2016

    There are probably a million opinions, but I'll throw out a few of mine.

    1. I use the drawing grid extensively when building formats.  Enable snap to grid and then change the grid spacing while constructing different elements.  Very handy.
    2. I build the different elements separately and then bring them all together on the finished formats.  Both the drawing border and the non-changing table text are turned into symbols.  This makes it easy to position them and keeps the users from inadvertently changing some aspect of them.
    3. Be very mindful of the drawing's (or format's) default text height when creating tables.  This value get's embedded into the table and is nearly impossible to change.  It directly determines the row height, row width, and "buffer" area inside each cell.  I find it beneficial to use a smaller default text size while creating the table than what the table text will ultimately be set to.
    4. For dynamic table information, I'm a huge fan of single cell repeat regions.  These force the parameter values to be read from the model (and never the drawing), and they don't break (or display anything) if the parameter doesn't exist in the model.
    5. There is a technique that can be used to create larger, scaled up versions of the drawing tables for larger formats without having to recreate them.  It's a two step process using the config option "variant_drawing_item_sizes" and the scale command.  Let me know if you need help with this....


    Pictures:

    Empty drawing:

    Border Symbol (one symbol for each sheet size & orientation):

    Title Block Tables (the red boxes are single cell repeat regions):

    Title Block Symbol:

      T
      23-Emerald IV
      TomU23-Emerald IV
      23-Emerald IV
      April 8, 2016

      Oh, one more thing.  If you don't want to use repeat regions, but you want to make sure to get the model's parameter value instead of the drawing's, you can use the syntax <parameter_name>:mdl .  Adding the :mdl at the end will keep the table from evaluating the drawing's parameter value if the parameter doesn't exist in the model.  This functionality was added at Creo 2.0 M150 and Creo 3.0 M040.  Keep in mind that is can be a little flakey.  Sometimes I have to reapply formats that use this syntax after the missing parameter has been created in the model.  FWIW.

      E
      emetzger1-Visitor
      1-Visitor
      April 8, 2016

      All fine tips, however we often create drawings without a model, but out revision/version pulled from PDMlink must come from the drawing file.

      Its just something to keep in mind.

      The only thing I've done different than most companies is eliminate B and D sizes. Here's why;

      First, seldom is anyone printing on B...and D is the same aspect ratio as B. And A,C and E are all the same aspect, which makes allows printing on A-size paper (used 99%) for all 3 sizes. Some people complained at firt because they thought the sheet size determined what size they print. Of course it does not. We can print ANY format size to ANY paper size. Thus, offering 3 drawing sheet/format sizes vs 5 has not posed a single problem.

      Second, this significantly reduces the number of formats to maintain and update. We have 6 3D CAD systems throughout our engineering facilities. And I am not counting our ECAD, CAM, or mold or tool drawings using either their own software and/or their own formats.

      D
      dross1-Visitor
      1-Visitor
      April 8, 2016

      We print almost everything on B sized paper, so I wouldn't say that it is seldom used.

      That being said, I usually use D formats and print them on B paper in order to get more usable drawing area due to the smaller text size.

      It does not meet ANSI specifications this way, but it works for us.

      L
      lsrutkowski1-Visitor
      1-Visitor
      April 8, 2016

      Mike,

      You may want to consider using a 2D drawing software (Adobe Illustrator, Autocad, Draftsight, Corel Draw, etc) to create your format borders, save as a DXF (or DRW, I forget which the drawing program can import in template mode), then import it into Creo.  Creo's drawing and sketching tools leave much to be desired.

      Be careful about how you place your zone letters and numbers.  Do not make the same mistake I did and place them in a group; do each one as an individual placement.  When Creo converts the font in PDF generation, it can play havoc with the character spacing, especially the space character.

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