General Mechanical

General Mechanical

Tips for importing models in micron units

    • John Doyle
      Ansys Employee
      What are precautions for proper import of the models that have multibody parts dimensions in microns units?n
    • mjmiddle
      Ansys Employee
      This may sound obvious but small geometries should be created using Micrometer unit system or smaller. This is an option in DesignModeler as well as SpaceClaim (SpaceClaim also allows Nanometers). In both, it has to be set before any geometry exists, and if any larger unit is selected, it can not be changed later through normal means (export/import through 3rd party format (acis, step, parasolid, ect...) can allow unit change). Using Micrometers ensures tighter tolerances in the model to ensure proper shared topology operations of multibody parts. The small unit system will also affect tolerances used in other features in the CAD modeler, so that tiny features are preserved and handled correctly.n
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