SheetMetal Unfold: Difference between revisions

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{{Docnav
{{Docnav
|[[SheetMetal_AddFoldWall|AddFoldWall]]
|[[SheetMetal_AddFoldWall|AddFoldWall]]
|[[SheetMetal_UnattendedUnfold|Unattended unfold]]
|[[SheetMetal_UnattendedUnfold|UnattendedUnfold]]
|[[SheetMetal_Workbench|SheetMetal Workbench]]
|[[SheetMetal_Workbench|SheetMetal Workbench]]
|IconL=SheetMetal_AddFoldWall.svg
|IconL=SheetMetal_AddFoldWall.svg
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|Workbenches=[[SheetMetal_Workbench|SheetMetal]]
|Workbenches=[[SheetMetal_Workbench|SheetMetal]]
|Shortcut={{KEY|U}}
|Shortcut={{KEY|U}}
|SeeAlso=[[Image:SheetMetal_UnattendedUnfold.svg|16px]] [[SheetMetal_UnattendedUnfold|Unattended unfold]]
|SeeAlso=[[SheetMetal_UnattendedUnfold|SheetMetal UnattendedUnfold]]
}}
}}


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<!--T:6-->
<!--T:6-->
To unfold a sheet metal part:
# Select a planar face of the sheet metal part.
# Activate the [[Image:SheetMetal_Unfold.svg|16px]] [[SheetMetal_Unfold|Unfold]] command using one of the following:
# Switch to the [[Image:Sheetmetal_workbench_icon.svg|22px]] [[SheetMetal_Workbench|SheetMetal Workbench]].
#* The {{Button|[[Image: SheetMetal_Unfold.svg |16px]] [[SheetMetal_Unfold|Unfold]]}} button.
# Select a flat face of the sheet metal part. {{Emphasis|Note}}:the face should be a plane, the thickness should be constant
# Click on the [[Image:SheetMetal_Unfold.svg|24px]] '''Unfold''' tool to display a menu in task panel to manage unfolding options.
#* The {{MenuCommand|SheetMetal [[Image:SheetMetal_Unfold.svg|16px]] [[SheetMetal_Unfold|Unfold]]}} menu option.
#* The keyboard shortcut: {{KEY|U}}.
# Select projection options of future flattened sketch
# Adjust unfolding options in the [[Task_panel|task panel]] by:
# Select the rule for bend deduction with [https://github.com/shaise/FreeCAD_SheetMetal#terminology Kfactor]:
#* Selecting the projection options of the unfold sketch.
#* Use [https://github.com/shaise/FreeCAD_SheetMetal#material-definition-sheet Material Definition Sheet]
#* Or select a manual [https://github.com/shaise/FreeCAD_SheetMetal#terminology Kfactor] then the ANSI or DIN standard to apply
#* Selecting the method of bend deduction with K-factor: <br> - Use a [https://github.com/shaise/FreeCAD_SheetMetal#material-definition-sheet Material Definition Sheet]. <br> - Select a manual [https://github.com/shaise/FreeCAD_SheetMetal#terminology K-factor] then the [https://de.wikipedia.org/wiki/Biegeverkürzung#Korrektur_durch_den_sog._k-Faktor ANSI or DIN] standard to apply


==Properties== <!--T:7-->
==Properties== <!--T:7-->


<!--T:29-->
See also: [[Property_editor|Property editor]].
See also: [[Property_editor|Property editor]].


<!--T:30-->
This tool creates an Unfold object and has no representation of its own in the [[Tree_view|Tree view]] or elsewhere and so has no properties.
A SheetMetal Unfold object is derived from a [[Part_Feature|Part Feature]] object and inherits all its properties. It has no additional properties, but its label has a default value:

The '''Unfold''' object, on the other hand, is derived from a [[Part_Feature|Part Feature]] object and inherits all its properties. It has no additional properties, but its label has a default value:


===Data=== <!--T:8-->
===Data=== <!--T:8-->
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* Sheet metal should have constant thickness
* The sheet metal should have a constant thickness.
* Flat faces should be planar with no split lines
* Flat faces should not contain split lines.
* Flat faces must be truly planar and not B-spline approximations.
* Bend angles should be radius with cylindrical faces
* Faces of bend angles must be truly cylindrical and also not B-spline approximations.
* Unfold feature is not parametric at the moment.
* The Unfold feature is not parametric. If the model is modified you have to unfold it again.




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{{Docnav
{{Docnav
|[[SheetMetal_AddFoldWall|AddFoldWall]]
|[[SheetMetal_AddFoldWall|AddFoldWall]]
|[[SheetMetal_UnattendedUnfold|Unattended unfold]]
|[[SheetMetal_UnattendedUnfold|UnattendedUnfold]]
|[[SheetMetal_Workbench|SheetMetal Workbench]]
|[[SheetMetal_Workbench|SheetMetal Workbench]]
|IconL=SheetMetal_AddFoldWall.svg
|IconL=SheetMetal_AddFoldWall.svg

Latest revision as of 09:32, 14 October 2022

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SheetMetal Unfold

Menu location
SheetMetal → Unfold
Workbenches
SheetMetal
Default shortcut
U
Introduced in version
-
See also
SheetMetal UnattendedUnfold

Description

The SheetMetal Unfold command unfolds a sheet metal object.

Usage

  1. Select a planar face of the sheet metal part.
  2. Activate the Unfold command using one of the following:
    • The Unfold button.
    • The SheetMetal → Unfold menu option.
    • The keyboard shortcut: U.
  3. Adjust unfolding options in the task panel by:

Properties

See also: Property editor.

A SheetMetal Unfold object is derived from a Part Feature object and inherits all its properties. It has no additional properties, but its label has a default value:

Data

Base

  • DataLabel (String): Default value: Unfold (+ a sequential number for second and following items).
    The user editable name of this object, it may be any arbitrary UTF8 string.

Limitations

  • The sheet metal should have a constant thickness.
  • Flat faces should not contain split lines.
  • Flat faces must be truly planar and not B-spline approximations.
  • Faces of bend angles must be truly cylindrical and also not B-spline approximations.
  • The Unfold feature is not parametric. If the model is modified you have to unfold it again.