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Open CASCADE als Linux-Alternative zu SolidWorks

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Unser Fazit

Open CASCADE is not a direct drop-in replacement for SolidWorks. It is a geometry kernel, not a complete CAD application. You need a frontend like FreeCAD or Salome to use it. For mechanical engineers relying on SolidWorks’ integrated assembly management and simulation, the switch is difficult. It suits developers or advanced users who want to build custom CAD tools or need a lightweight geometry engine. If you just need to model parts, use FreeCAD with the Open CASCADE backend. Expect a steep learning curve and missing high-level features like automatic drawing generation or complex assembly constraints.

Funktionsabdeckung40%
Lizenz
LGPL-2.1
Preis
Kostenlos
Aktuelle Version
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Bewertung
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Screenshot von Open CASCADE

Was gleich funktioniert

  • Both support parametric solid modeling concepts
  • Both can handle surface modeling operations
  • Both support standard CAD file formats like STEP and IGES
  • Both are used in industrial CAD/CAM/CAE workflows

Was anders ist

  • Open CASCADE is a library, not a standalone GUI application
  • Lacks built-in assembly management and constraint solvers
  • No integrated simulation or CAE modules out of the box
  • Requires programming knowledge to extend or fully utilize
  • Does not provide automatic 2D drawing generation without external tools

Ihre SolidWorks-Dateien öffnen

Open CASCADE supports importing and exporting STEP, IGES, STL, DXF, and BREP formats. It does not natively read or write SolidWorks’ native .sldprt or .sldasm files. You must export from SolidWorks to STEP or IGES before importing into applications built on Open CASCADE. This conversion may lose some parametric history or specific SolidWorks features, so verify geometry integrity after transfer.

Von SolidWorks zu Open CASCADE wechseln – Schritt für Schritt

  1. Install a frontend application like FreeCAD or Salome that uses Open CASCADE
  2. Export SolidWorks parts and assemblies to STEP or IGES format
  3. Import the STEP/IGES files into your chosen Open CASCADE-based tool
  4. Verify geometry accuracy and repair any broken faces or edges
  5. Rebuild parametric features if needed, as history is often lost in conversion
  6. Set up any required plugins for drawing or simulation tasks

Wichtige Funktionen von Open CASCADE

  • C++ API für Geometrie, Topologie und Meshing
  • Unterstützung für STEP, IGES, STL, DXF und viele weitere CAD‑Formate
  • Integrierte Visualisierung mit OpenGL
  • Erweiterbar über Plugins und benutzerdefinierte Module
  • Cross‑platform (Linux, Windows, macOS)
  • Aktive Community und Dokumentation
  • Open Source unter LGPL‑2.1
  • Entworfen für kommerzielle und akademische Nutzung

Häufige Fragen

Can I use Open CASCADE directly like SolidWorks?

No. Open CASCADE is a C++ library. You need a GUI frontend like FreeCAD to interact with it visually. It is not a standalone application.

Does it handle assemblies like SolidWorks?

Not natively. Open CASCADE handles geometry and topology. Assembly management requires additional logic or a frontend that implements it, such as FreeCAD’s Assembly workbench.

Is it free for commercial use?

Yes. It is licensed under LGPL-2.1, which allows both open-source and proprietary commercial use, provided you comply with the license terms.

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