Large assembly model is running slowly

Problems with large assembly models:

• Slow loading due to large model file size

• Model rotation on the screen may stutter

• Each Vertex command takes a long time to load

• Applying constraints becomes more difficult due to model complexity and simple local hierarchy

• Hard to visualize model details because of the complex structure

• Slow model updates (subassembly changes, part changes, etc.)

• Slow updating of model drawings, sometimes even impossible — in the worst case, updating can take hours

• Exported files (STEP, SAT, IFC, DXF) become extremely large, which may be difficult for the customer to handle

• Saving the model can take a very long time

• In general, endless staring at the Windows “spinning wheel” when working with the model

If you encounter such problems, here are some solutions to speed up assembly handling:

Solutions for better assembly performance:

• Turn off automatic drawing updates

  • Makes handling drawings easier (especially slow-updating ones)

  • Recommended when working with large assemblies in general

  • Responsibility on the designer — when opening a drawing, the program will ask whether to update it (Yes or No)

• Use linked assemblies

  • Large models containing local assemblies are heavier to handle than those containing linked assemblies

• Avoid a single-level local hierarchy, as this results in the slowest structure

• Drawing projection display settings – precise silhouettes, etc.

  • Disable all unnecessary options in projection settings

  • If a specific setting is needed, enable only that one

  • Precise silhouettes slow down performance the most — keep this off

  • Precise silhouettes affect how complex fillets are drawn in the drawing

  • Usually unnecessary in assembly drawings

• Lighten assemblies using Flow’s lightweight models or reference models

• Use Vertex G4’s model simplification techniques for imported models, parts, and assemblies

Related tip videos:

• Large assembly simplification techniques (Vertex G4/Flow), drawing optimization, assembly simplification

  • (345) Suurten kokoonpanojen keventämistekniikat – YouTube

• Assembly simplification techniques in Vertex G4

  • (345) Kokoonpanojen keventämistekniikat, Vertex G4 – YouTube

• Part simplification techniques in Vertex G4

  • (345) Osamallin keventämistekniikat – YouTube

• Making assemblies more manageable

  • (345) Vertex G4 | Kokoonpanojen sujuva hallinta – YouTube

• Simplifying imported models (STEP, SAT, SolidWorks, IGES)

  • (345) Tuodun mallin keventäminen – YouTubeIf you encounter such problems, here are some solutions to speed up assembly handling:

Solutions for better assembly performance:

• Turn off automatic drawing updates

  • Makes handling drawings easier (especially slow-updating ones)

  • Recommended when working with large assemblies in general

  • Responsibility on the designer — when opening a drawing, the program will ask whether to update it (Yes or No)

• Use linked assemblies

  • Large models containing local assemblies are heavier to handle than those containing linked assemblies

• Avoid a single-level local hierarchy, as this results in the slowest structure

• Drawing projection display settings – precise silhouettes, etc.

  • Disable all unnecessary options in projection settings

  • If a specific setting is needed, enable only that one

  • Precise silhouettes slow down performance the most — keep this off

  • Precise silhouettes affect how complex fillets are drawn in the drawing

  • Usually unnecessary in assembly drawings

• Lighten assemblies using Flow’s lightweight models or reference models

• Use Vertex G4’s model simplification techniques for imported models, parts, and assemblies