Best Practice - Import and Export of STEP & IGES Files

Partner Channel / Creo Parametric


When working with neutral file formats such as STEP and IGES there are often issues with the quality of the import or export. This is because of the different translation steps that occur when first exporting the native CAD-file to a neutral format and then importing the same file into Creo Parametric

This guide describes the best practice scenario for importing and exporting neutral files from Creo Parametric

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1. Best Practice Import and Export of STEP & IGES Files Aug 2019

5. IMPORT PROFILES Step 2 – Save and configure to use your import profile When you have completed your Profile, click Save Profile ... Save the file to a location where it is accessible for all users and give it a new name In the Default Profile window, click Browse ... to find the location where the profile was saved Click Export Configurations ... to save the config.pro file with the new setup

2. This guide describes how to configure Creo to import and export your neutral format files such as STEP and IGES with the best quality When working with neutral file formats such as STEP and IGES there are often issues with the quality of the import or export. T his is because of the different translation steps that occur when first exporting the native CAD - file to a neutral format and then importing the same file into Creo Parametric This guide describes the best practice scenario for importing and exporting neutral files from Creo Parametric Content of Document Import profiles and settings for neutral file formats such as STEP and IGES → see IMPORT PROFILES Export profiles and settings for neutral file formats such as STEP and IGES → see EXPORT PROFILES

4. IMPORT PROFILES Step 1 – Setup your import profile Go to File → Options → Data Exchange → Select ... under Import and Open Profiles, click Setup Import and Open Profiles Mark the checkbox Use templates , set search - paths to the company templates that are in use, and select Options ... - This ensures that all company used parameters, relations, etc, will be used for the import of the neutral file Change Model Accuracy to External - This means the accuracy of the neutral file format will be used, which will increase the quality of the import

3. THIS GUIDE DESCRIBES HOW TO CONFIGURE CREO TO IMPORT AND EXPORT YOUR NEUTRAL FORMAT FILES SUCH AS STEP AND IGES WITH THE BEST QUALITY When working with neutral file formats such as STEP and IGES there are often issues with the quality of the import or export. This is because of the different translation steps that occur when first exporting the native CAD - file to a neutral format and then importing the same file into Creo Parametric This guide describes the best practice scenario for importing and exporting neutral files from Creo Parametric Content of Document Import profiles and settings for neutral file formats such as STEP and IGES → see page 3 (IMPORT PROFILES) Export profiles and settings for neutral file formats such as STEP and IGES → see page 3 (IMPORT PROFILES)

6. EXPORT PROFILES Step 3 – Setup your export profile Go to File → Options → Data Exchange → Select ... under Export Profiles, click Setup Export Profiles Choose what options you want to include in the export When finished click Save Profile ... to save the file to a location where it is accessible for all users and give it a new name In the Default Profile window, click Browse ... t o find the location the place where the profile was saved Click Export Configurations ... to save the config.pro file with the new setup

7. ADDITIONAL RESOURCES • Tutorial video: Using Import Profiles for Multi - CAD Designs • Tutorial video: Data Exchange Profiles for Opening , Importing and Exporting data • How to improve the performance for import IGES/STEP file in Creo Parametric ( CS134939) How to improve the performance for import IGES/STEP file It takes a long time to open a STEP/IGES file It is very slow when open a STEP/IGES file Import of IGES file takes 45 minutes Performance problem when opening large STEP files created in SolidWorks Set the following config.pro options with recommended value: display_silhouette_edges to no fasthlr to yes retain_display_memory to yes skip_small_surfaces to no smooth_lines to no tangent_edge_display to no Remove the following options if they exist in your config.pro : intf_in_external_accuracy yes intf_in_treat_polyline_as single_spline intf_in_use_template_models no intf_out_auto_layer_ids yes save_model_display shading_high step_export_format ap214_is

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