Chapter 1 Introduction to Sheet Metal Modeling....................... 1-1
1.1 Sheet Metal Environment ............................................. 1-3
1.2 Display of Sheet Metal Parts ........................................ 1-4
1.3 Orienting a Sheet Metal Part ........................................ 1-5
1.4 Developed Length of Sheet Metal Bends.................... 1-6
1.5 Designing in Sheetmetal Mode .................................... 1-7
Sheetmetal Mode ............................................................ 1-7
Assembly Mode............................................................. 1-11
Convert Parts ................................................................ 1-11
Chapter 2 Primary Walls ........................................ 2-1
2.1 Primary Walls ................................................................ 2-3
Extruded.......................................................................... 2-4
Flat ...................................................................... 2-4
Revolved ..................................................................... 2-5
Blended ........................................................................... 2-5
Offset.......................................................... 2-6
2.2 Creating a Primary Extruded Wall ............................... 2-7
Thicken............................................................ 2-9
Add Bends to Sharp Edges........................................... 2-10
2.3 Capturing Design Intent in Sketcher ......................... 2-11
Exercise 2a Primary Extruded Unattached Wall ............... 2-13
Exercise 2b Primary Flat Unattached Wall ........................ 2-17
Exercise 2c Primary Extruded Unattached Wall ............... 2-21
Exercise 2d Creating the Project Part................................ 2-27
Chapter 3 Secondary Walls ................................ 3-1
3.1 Selecting an Attachment Edge .................................... 3-3
3.2 Flat Wall ............................................................ 3-6
3.3 Flange Wall ............................................... 3-11
3.4 Twisted Wall .............................................. 3-20
3.5 Extended Wall................................................ 3-24
3.6 Unattached Walls ....................................... 3-27
3.7 Bend Relief ................................................ 3-30
No Relief ............................................................ 3-30
Rip Relief .......................................................... 3-31
Stretch Relief ...................................................... 3-33
Rectangular Relief ........................................................ 3-34
Obround Relief.............................................................. 3-35
Exercise 3a Secondary Walls ............................................. 3-37
Exercise 3b Unattached Wall.............................................. 3-45
Exercise 3c Flange Walls..................................... 3-53
Exercise 3d Flange Walls........................................... 3-57
Exercise 3e Adding Walls to the Project Part ................... 3-63
Chapter 4 Regular Unbends, Bend Backs, and Cuts................ 4-1
4.1 Unbending Sheet Metal Geometry .............................. 4-3
4.2 Bending Back Unbent Geometry................................. 4-5
4.3 Solid and Sheet Metal Cuts.......................................... 4-7
Cuts Using Datum Curves .............................................. 4-8
Dimension Scheme and Feature Order ........................ 4-13
4.4 Creating a Cut Requiring the Use of Unbend and
BendBack Features .................................................... 4-14
Exercise 4a Creating a Sheet Metal Cut ............................ 4-17
Exercise 4b Projected Curve and a Cut............................. 4-23
Exercise 4c Create a Cut on the Project Part.................... 4-31
Chapter 5 Notches and Punches.............................. 5-1
5.1 Corner Relief .................................................... 5-3
5.2 Introduction to Notches and Punches........................ 5-8
5.3 Creating Notch and Punch UDFs ................................ 5-9
5.4 Placing Notch or Punch UDFs................................... 5-15
Exercise 5a Create a Corner Relief .................................... 5-21
Exercise 5b Create a Notch for Bend Relief...................... 5-29
Exercise 5c Create a Notch for Bend Relief ...................... 5-47
Exercise 5d Create a Punch Feature.................................. 5-55
Chapter 6 Bend Features........................................ 6-1
6.1 Bend Features ................................................... 6-3
Angle .................................................................. 6-4
Roll ................................................................... 6-4
6.2 Creating a Bend Feature............................................... 6-5
Regular................................................................. 6-5
With Transition ............................................................ 6-5
Planar...................................................................... 6-6
Bend Relief............................................................... 6-6
6.3 Position of the Bend Line........................................... 6-12
6.4 Bend Line Adjustment ................................................ 6-15
6.5 Bend Line Notes.......................................................... 6-18
Exercise 6a Bend Flat Geometry ........................................ 6-21
Exercise 6b Create a Bend Line Adjustment..................... 6-39
Chapter 7 Unbending Complex Geometry ................................. 7-1
7.1 Ruled and Non-Ruled Geometry.................................. 7-3
Ruled Geometry .............................................................. 7-3
Non-Ruled Geometry ...................................................... 7-4
7.2 Unbending Non-ruled Geometry.................................. 7-5
7.3 Deform Area Feature..................................................... 7-7
7.4 Cross-Sectional Unbends ............................................ 7-8
7.5 Rip Features .................................................... 7-9
Regular Rip .............................................................. 7-9
Edge Rip ................................................................ 7-10
Surface Rip ........................................................ 7-10
Exercise 7a Deform Surfaces ............................................. 7-11
Exercise 7b Cross-Section Driven Unbend....................... 7-15
Exercise 7c Rip Features and Deformation Control ......... 7-19
Exercise 7d Deform Area Feature ...................................... 7-23
Chapter 8 Sheet Metal Forms....................................... 8-1
8.1 Introduction to Form Features..................................... 8-3
Die................................................................... 8-3
Punch ................................................................ 8-3
8.2 Placing Form Features ................................................. 8-5
Reference ............................................................ 8-6
Copy..................................................................... 8-6
Assembly Considerations ............................................... 8-8
Radius Considerations.................................................... 8-9
Die................................................................... 8-10
Punch................................................................ 8-10
Bending............................................................... 8-12
8.3 Flattening Form Geometry ......................................... 8-13
Flatten ................................................................. 8-14
Edge Treatment .................................................. 8-15
8.4 Form Feature Restrictions ...................................... 8-16
Exercise 8a Die Form ............................................... 8-17
Exercise 8b Flatten Form Geometry .................................. 8-29
Chapter 9 Documenting a Sheet Metal Part....................... 9-1
9.1 Flat States........................................................ 9-3
9.2 Creating Flat States .................................................... 9-4
Fully formed .......................................................... 9-4
Fully Flat ............................................................. 9-5
9.3 Opening Flat State Instances....................................... 9-7
9.4 Adding a Flat State Instance to a Drawing ................. 9-8
Deformed Areas............................................................ 9-10
9.5 Documenting the Bend Order.................................... 9-12
Exercise 9a Sheet Metal Drawing....................................... 9-13
Exercise 9b Project Drawing .............................................. 9-25
Chapter 10 Converting Solid Parts......................... 10-1
10.1 Converting Solid Parts ............................................... 10-3
Driving Srf ......................................................... 10-4
Shell .......................................................... 10-4
10.2 Conversion Feature .................................................... 10-6
Point Relief.......................................................... 10-7
Edge Rip ................................................................. 10-7
Rip Connect ..................................................... 10-8
Bends................................................................. 10-9
Corner Relief..................................................... 10-9
Exercise 10a Convert a Solid Part.................................... 10-11
Exercise 10b Conversion Feature ................................... 10-17
Chapter 11 Sheet Metal Setup............................... 11-1
11.1 Calculating the Developed Length ............................ 11-3
11.2 Y-Factor and the Default Formula ............................. 11-4
11.3 Bend Tables.................................................... 11-6
11.4 Sheet Metal Parameters............................................ 11-10
11.5 Default Fixed Geometry............................................ 11-14
Exercise 11a Calculate Developed Length ...................... 11-15
Exercise 11b Sheet Metal Parameters ............................. 11-21
Chapter 12 Investigating a Sheet Metal Part................... 12-1
12.1 Investigation Tools ........................................ 12-3
12.2 Sheet Metal Reports.......................................... 12-4
Text Reports....................................................... 12-7
12.3 Design Rules ................................................... 12-9
Design Check.............................................................. 12-10
Exercise 12a Use Information Tools ................................ 12-11
Appendix A Additional Exercises .................................... A-1
Exercise A1 Create a Revolved Wall ................................... A-3
Exercise A2 Create an Offset Wall ...................................... A-5
