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Sheet Metal · Lesson 3: Flattening and preparing for manufacturing

Flat pattern, bend and gauge tables, cut list properties and DXF export for the shop.

Lesson goal

Get a reliable flat pattern, align it with the shop's settings and pass on the right information for cutting and bending.

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4 videos

✎

1 exercise

Intermediate

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Prerequisite: Lesson 2

1. Watch the videos

Dassault Systèmes videos hosted on MySolidWorks: they open in a new tab and a free account is enough. Watch them in order.

Flat Patterns in Sheet MetalVideo 1▶Flat Patterns in Sheet MetalDisplay the flat pattern, understand the Flat-Pattern feature at the bottom of the tree and set its options.↗ Sheet Metal Gauge and Bend TablesVideo 2▶Sheet Metal Gauge and Bend TablesDrive thicknesses, radii and K-Factors by material with shared tables.↗ Cut List PropertiesVideo 3▶Cut List PropertiesRetrieve blank size, thickness and number of bends for drawings and BOMs.↗ Exporting Sheet Metal BodiesVideo 4▶Exporting Sheet Metal BodiesExport the flat pattern to DXF or DWG for cutting, with or without bend lines.↗

2. Key takeaways

1

The Flat-Pattern feature sits at the bottom of the tree: unsuppressing it shows the part flat, suppressing it folds the part back.

2

Gauge tables link material, thickness, radii and K-Factor: the whole team works with the same values as the shop.

3

Cut list properties (blank size, thickness, bends) automatically feed drawings and BOMs.

4

The DXF/DWG export of the flat pattern goes straight to cutting: choose what you export (outline, bend lines, etched markings).

Tip

In the drawing, a flat pattern view with bend notes (direction, angle, radius) answers most of the shop's questions before they ask them.

3. Do the exercise

Go back to the cover from lesson 2:

  • display the flat pattern and note the blank size
  • export the flat pattern to DXF with bend lines
  • create a flat pattern view in a drawing
✓To check: The blank size in the cut list matches the DXF.

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