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SolidWorks >> Pro/ENGINEER / Creo Elements

The following settings are recommended up to SolidWorks 2016 and Pro/ENGINEER Wildfire 5.0 / Creo Parametric 3.0.

SolidWorks – System

SolidWorks - STEP Preprocessor

  • To export a STEP file choose File -> Save as..., as file type choose STEP-Format (step, stp) and go to Options. A new dialog box appears.
  • Under Output as the following options can be selected:
  • Solid/Surface geometry: the geometry will be exported as solid and surface bodies. This is the recommended option.
  • 3D curves: solid and surface bodies will be exported as wireframe entities and all 3D curves are also saved.
  • Export sketch entities: export all the items in 3D curves, plus all 2D and 3D sketches in the document.
  • Output coordinate system: by selecting default, no transformation matrix will be applied.
  • Export face/edge properties: Exports face and edge properties. Clear this option to improve export performance.
  • Split periodic faces: Splits periodic faces, such as cylindrical faces, into two. Splitting a periodic face can improve the quality of the export but can affect performance.

STEP File

  • An adjustment of the STEP file is not necessary.

Pro/ENGINEER / Creo Elements - STEP Postprocessor

  • Some STEP specific settings can be added to the configuration file config.pro:
  • With Tools -> Options... you can add the below mentioned settings in Pro/ENGINEER Wildfire.
  • With File -> Options -> Configuration Editor you can add the below mentioned settings in Creo Elements
  • With Utilities -> Options...  you can add the below mentioned settings in Pro/ENGINEER 2001.
  • With Utilities -> Preferences...  you can add the below mentioned settings in Pro/ENGINEER 2000i2.
  • Recommended config.pro options:
  • fix_boundaries_on_import yes
  • enable_absolute_accuracy yes
  • intf3d_in_close_open_boundaries yes
  • intf_in_blanked_entities yes
  • To import a part (does not work with assemblies) in Pro/ENGINEER 2001 with an accuracy other than the default accuracy, the following procedure is recommended:
  • Open a new part file
  • Change to desired accuracy ( Set Up -> Accuracy -> ...)
  • Import model with menu option Insert -> Data from File.
  • The parameter enable_absolute_accuracy in the config.pro needs to be set to yes if absolute accuracy is needed.
  • A recommended setting of the absolute accuracy is 0.01mm. If the part is not imported correctly, try again by changing the accuracy to 0.02mm and 0.05mm.
  • To import a part (does not work with assemblies) in Pro/ENGINEER 2000i² and Pro/ENGINEER Wildfire with an accuracy other than the default accuracy, the following procedure is recommended:
  • Open a new part file
  • Change to desired accuracy ( Edit -> Set Up -> Accuracy -> ...)
  • To import a part in Creo Parametric with an accuracy other than the default accuracy, the following procedure is recommended:
  • Open a new part file
  • Change to desired accuracy (File -> Prepare -> Model Properties -> ...)
  • Up to Wildfire 3 import model with menu option File -> Import -> Append to model.
  • In Wildfire 4 and higher choose File -> Open and select STEP as type.
  • The parameter enable_absolute_accuracy in the config.pro needs to be set to yes if absolute accuracy is needed.
  • A recommended setting of the absolute accuracy is 0.01mm. If the part is not imported correctly, try again by changing the accuracy to 0.02mm and 0.05mm.
  • If the STEP file contains assembly data, see to it that it is imported as an assembly (otherwise, Pro/ENGINEER gives a warning).
  • Depending on the further usage, hybrid models and multi solids can be imported in part or assembly mode. Part mode allows import with user defined accuracies, in assembly mode all solids/surface can be individually handled.

Pro/ENGINEER / Creo Elements - System

  • Shaded view is helpful for a first impression of the model quality.
  • Highlighted menu option Info -> Geom/Check gives hints about geometric problems of the imported model. In Creo Parametric a similar functionality can be found in File -> Prepare -> ModelCheck Geometry Check
  • The color of the model in wireframe display indicates its type (with Utilities -> Environment -> Colors turned off):
  • yellow for wireframe or surface boundary without connecting surface (might indicate bad areas)
  • If solid/shell cannot be created because of open gaps (look for yellow boundaries!), menu option Feature -> Redefine -> Fix Bndries -> Zip Gaps might help closing those gaps. (use Auto Select for quick help).
  • The Pro/ENGINEER 2001 and Wildfire Interface Guide gives more information.

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