To Change Default Rules for Sheet Metal Parts

Use the Sheet Metal Defaults dialog box to change the options and parameters defined by the selected Sheet Metal Rule for the active model state or to assign a unique thickness to a body in a multibody part.

• Access the Style and Standard Editor to make edits to an Unfolding Rule or to set a new Active standard rule.
• Access the Material Editor to make edits to a material .

Modify Sheet Metal Defaults

You use the Sheet Metal Defaults dialog box to select a Sheet Metal Rule. You can also select a material type, unfolding rule, and sheet thickness that is different from the value specified in the Sheet Metal Rule.

1. On the ribbon, click Sheet Metal tab Setup panel Sheet Metal Defaults .
2. (Optional) To change the default Sheet Metal Rule, Material, or Unfolding Rule for the active part, select from the following drop-down lists:
   • Sheet Metal Rule. When the filter in the Style and Standard Editor is set to:
     • Local, the list contains all sheet metal rules within the local file.
     • All Styles, the list contains all sheet metal rules within the style library.
   • Material. Lists all materials in the active library. If the desired material is in another library, browse to that library and select the material. If the necessary material library is not in the project file, we recommend you add it to the project so it is readily accessible.
   • Unfold Rule. When the filter in Style and Standard Editor is set to:
     • Local, the list contains all unfolding rules within the local file.
     • All Styles, the list contains all unfolding rules within the style library.
3. (Optional) To specify a sheet metal thickness that is different from the Sheet Metal Rule value, clear the Use Thickness from Rule checkbox and enter a value. You can specify a unique thickness for each model state.

   Use Thickness from Rule is disabled if the active part is an added model state or an iPart factory with Thickness as a column in the table.

4. (Optional) To edit or create a sheet metal rule or unfolding rule, click Edit next to the appropriate field to open the Style and Standard Editor.
   • Edit Sheet Metal Rule . Provides access to the Sheet Metal edit panel in the Style and Standard Editor and allows editing the selections and values which are used to define Material and other options. With Inventor, you can also edit the selections and values which are used to define Thickness, Bend, Corner, and Flat Pattern options.
   • Edit Unfold Rule. Provides access to the Sheet Metal Unfold edit panel in the Style and Standard Editor. With Inventor you can edit the selections and values which are used to define: linear unfolding method vs. bend table-driven bends, KFactor values and bend table tolerance options.

Set Sheet Metal Rule

Use the context menu option Edit Sheet Metal Rule to manage the thickness of model states or individual bodies in a multibody part file.

1. Expand the Solid Bodies folder in the browser.
2. Right-click a body and select Set Sheet Metal Rule in the context menu.
3. To assign body thickness do one of the following:
   • Select Follow Defaults to set body thickness by the active standard.
   • Clear the Follow Defaults checkbox and then click the drop-list to assign a unique body thickness from the list.
4. Optionally, click Edit Sheet Metal Rule in the dialog to open the Style and Standard Editor to define a new thickness and rules or set a new Active style.