Surfacingtricksforsolidmodeling 110227120311-phpapp02

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Surfacingtricksforsolidmodeling 110227120311-phpapp02

  1. 1. Surface Modeling for Solid Modelers Jordan Tadic, Application Engineer 3DVision Technologies Download most up-to-date presentation @ 3dvision.com/SWWPresentations (case sensitive)
  2. 2. Jordan‟s Background • BS in Mechanical Engineering (00-04) Case Western Reserve University Cleveland, OH • Automation Engineer (04-08) Atlantic Tool & Die Strongsville, OH • Application Engineer (08-Present) 3DVision Technologies Independence, OH • SolidWorks Certifications: CSWE, CSWP, Surfacing, Sheet Metal, Weldments, Instructor, Support Technician, WPDM, 3DVIA Composer
  3. 3. Why Surfaces? vs.
  4. 4. Why Surfaces? Solid models need to follow these rules: 1. Every edge must be a boundary between exactly two faces. 2. Must always be a „water-tight‟ volume.
  5. 5. Why Surfaces? Surfaces provide design flexibility: • Create geometry one surface at a time rather than one chunk at a time. • Solid modeling tools are simply „automated surfacing tools‟. shell = delete face + thicken
  6. 6. Basic Surface Modeling Workflow 1. Build Surfaces 2. Extend/Trim Surfaces 3. Knit/Form Solid
  7. 7. Solids to Surfaces & Surfaces to Solids Solids to Surfaces: solid 1. Copy (Offset) Surface 2. Delete Face copy surface 3. Knit Surface delete face Surfaces to Solids: 1. Knit Surface & Try to Form Solid knit surfaces 2. Thicken & Create Solid from Enclosed Volume thicken
  8. 8. Bag of Surfacing Tricks• Fixing/Modifying imported geometry  Simplify imported geometry – (Delete & Patch)  Repair/Modify imported geometry – (Extrude surface, Replace face)  Repair sheet metal import – (Copy surface, Face fillet, Thicken)• Overcoming Solid Modeling Challenges  Extrude offset from multiple surfaces – (Knit surface)  Extending countersinks – (Copy surface, Extend surface, Cut with surface)  Extrude/Cut normal to curved surface – (Split line, Copy surface, Thicken cut)  Complex variable radius fillets – (Split line, Face fillet with hold line)  Complex ruffled surfaces – (Revolved surface, Split line, Delete face, Surface loft)
  9. 9. Simplifying Imported Geometry – Delete & Patch Using the „Delete Face‟ command with the „Delete and Patch‟ option selected will delete the selected faces and extend the surrounding faces to patch the gap.
  10. 10. Modifying/Repairing Imported Geometry – Replace Face
  11. 11. Checking Imported Sheet Metal Part File • Golden sheet metal rules: 1. Must be uniform thickness throughout the entire part 2. All bent surfaces must either be cylindrical or conical • Check to see if bends are cylindrical/conical:  Cut a section normal to the bend axis, click on the arc, and check for radius measurement • Check to see if flat faces are actually flat:  Click on “flat” face, and check for “Sketch” icon • Check thickness using measure tool • RMB > „Select Tangency‟
  12. 12. Repairing Imported Sheet Metal Parts import delete & patch copy surface delete body delete face extend / untrim face fillet thicken insert bends & flatten
  13. 13. Extrude Offset from Multiple Surfaces – Knit Surface extrude offset from surface translate OFF knit surface*or (in 2011), you can create the same result by using a split extrude offset from surface line and an extrusion off the 3D faces. translate ON
  14. 14. Extending Countersinks – Extend Surface hole wizard copy surface extend surface cut with surface
  15. 15. Extrude/Cut Normal to Curved Surface - Thicken split line copy surface thicken cut copy surface thicken
  16. 16. Complex Variable Radius Fillets – Hold Line Face Fillet split line hold line face fillet copy surfacesextrude & draft thicken thicken thicken mirror & shell finishing touches
  17. 17. Complex Ruffled Surfaces – Lofted Surface
  18. 18. Complex Ruffled Surfaces – Lofted Surfacesolid revolve delete face revolve surface project curve lofted surface knit surface thicken
  19. 19. Questions? Jordan Tadic 440-425-0114, 235 jtadic@3dvision.com

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