03 unbending sm parts ppt
TRANSCRIPT
© 2006 PTC
Sheetmetal Design using Pro/ENGINEER Wildfire 3.0
Module 3: Unbending Sheetmetal Parts
Objectives
After completing this module, you will be able to:! Unbend developable surfaces.
! Unbend undevelopable surfaces.
! Add rips to the geometry.
! Create deformation areas.
! Define default fixed geometry for unbend and bend back features.
Unbending Sheetmetal Parts - Overview
Unbending developable surfaces! Using Regular Unbend tool.
Unbending undevelopable surfaces! Using X-sec Driven tool.! Using Transition tool.
Converting to developable surfaces! Adding rips to the geometry.! Creating deformation areas.! Using SMT conversion tool.
Creating a flat pattern feature
Bending the models back to the design state
Unbending Developable Surfaces
Using Regular Unbend Tool! Unbending All.
! Unbending Selected.
Original Model Unbend All
Unbend Select
Unbending Undevelopable Geometry
Using the X-sec driven tool! Selecting a curve.
! Sketching a section.
Unbending a Part Using Select Curve Option
Unbending a Part Using Sketch Curve Option
Unbending Undevelopable Geometry (cont.)
Using the Transition tool
Using the Regular Unbend tool! Using Deformation.
Defining the Transition Area
Part with Transition Unbend
Part with Undevelopable Area
Defining the Deformation Area
Part with Regular Unbend and Deformation
Creating Developable Geometry
! Adding Rips to the geometry.! Creating Deformation Areas.! Using SMT Conversion tool.
Adding Rips to the Geometry
! Regular Rip.
! Edge Rip.
! Surface Rip.
Creating Regular Rip
Creating Edge Rip Creating Surface Rip The Unbent Part
Creating Deformation Areas
!Using the Regular Unbend tool.
!Using the Deform Area tool." Defining it before unbending.
Selecting the Deform Area in the Regular Unbend Tool
Part with Undesirable Unbent
Part with Desirable UnbentSketching the Deform Area Using the Defined Deform Area
Undevelopable Area
Using SMT Conversion Tool
! Point relief.
! Edge rip.
! Rip connect.
! Edge bend.
! Corner relief.
Fixed Surface
Creating a Flat Pattern
Flat Pattern
Selecting the Wall to Remain Fixed
Flat Pattern of the Part Flat Pattern as the Last Feature
Creating a Bend Back Feature
! Bending back selected walls of the model.
! Bending the entire model.
Bend Back Select Bend Back All
Unbent PartOriginal Part
Demonstrations
! Unbending the Toaster Body Part.
! Unbending the Crumbs Tray.
! Creating a developable part.
Summary
After completing this module, you will be able to:! Unbend developable surfaces.
! Unbend undevelopable surfaces.
! Add rips to the geometry.
! Create deformation areas.
! Define default fixed geometry for unbend and bend back features.