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© 2020, ASCENT - Center for Technical Knowledge® i C o n t e n ts Preface ............................................................................................................ ix In This Guide ................................................................................................ xiii Practice Files ................................................................................................. xv Chapter 1: Introduction to Sheet Metal Modeling...................................... 1-1 1.1 Sheet Metal Concepts ..................................................................... 1-2 Uses for Sheet Metal Components ................................................... 1-2 Similarities to Solid Models ............................................................... 1-3 Differences from Solid Models .......................................................... 1-3 1.2 Sheet Metal Terminology................................................................ 1-4 Sheet Metal Features ........................................................................ 1-4 Styles ................................................................................................ 1-4 Face .................................................................................................. 1-4 Flange ............................................................................................... 1-5 Contour Flange ................................................................................. 1-5 Lofted Flange .................................................................................... 1-6 Contour Roll ...................................................................................... 1-6 Hem................................................................................................... 1-7 Bend .................................................................................................. 1-7 Bend Radius...................................................................................... 1-8 Bend Relief........................................................................................ 1-8 Fold ................................................................................................... 1-8 Holes and Cuts.................................................................................. 1-9 Corner Seam ..................................................................................... 1-9 Rip ................................................................................................... 1-10 Unfold/Refold .................................................................................. 1-10 Flat Pattern...................................................................................... 1-11 Punch .............................................................................................. 1-11 1.3 Sheet Metal Environment ............................................................. 1-12 Sheet Metal Tools ........................................................................... 1-12 Model Display.................................................................................. 1-13 Sample provided by ASCENT for review only All copying and reuse strictly forbidden.