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I-DEAS NX Series >> CATIA V4 (Dassault)

The following settings are recommended up to I-DEAS 12 NX Series and CATIA V4.2.5 (Dassault).

I-DEAS NX – System

  • In case of a multi-solid part the solids should be joined. Otherwise not all the solids are exported.

I-DEAS NX - STEP Preprocessor

  • In Menu STEP AP214 representations there are options for the used units of functionality and geometry. The default values should only be changed in case of unsuccessful results.
  • The filename, including path, should be no longer than 80 characters.
  • Two export log files are written (filename.opr and stepoi.opr).
  • filename.opr includes the used export parameter set and a list of the IDEAS entities, that were written.
  • stepoi.opr includes a list of the STEP entities, that were generated and a list of errors.
  • These files are placed in the same directory as the exported STEP file.

STEP File

  • In the filename syntax special characters (especially / * %) or umlauts must be avoided.
  • The STEP file extension must be changed to *.step.

CATIA V4 (Dassault) - STEP Postprocessor

  • Identical curve tolerance should be set according to desired model space. (default: 0.1 corresponds to 10m model space)
  • Recommended settings in declaration file:
  • st1cat.EXACT_SOLIDS_CREATION=TRUE (creates SOL instead of VOL)
  • st1cat.TOPOLOGY_HEALING=TRUE
  • st1.cat.CATIA.REPLACE=TRUE
  • The log file filename.log gives hints about translation success. Check for converted/failed STEP entities in the summary at the end of the file. 

CATIA V4 (Dassault) – System

  • Each component of an imported assembly is located in a separate workspace.
  • The master workspace shows the whole assembly.
  • To remove the text added to the model use: TEXT -> ERASE -> *FAC+*SUR etc.
  • Shaded view is helpful for a first impression of model quality.
  • With IDENTIFY look for received SOL, VOL or SKI.
  • Use CATCLN.

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