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SheetMetal_AddCornerRelief.md

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---
 GuiCommand:
   Name: SheetMetal AddCornerRelief
   MenuLocation: SheetMetal , Add Corner Relief
   Workbenches: SheetMetal_Workbench
   Shortcut: **C** **R**
---

SheetMetal AddCornerRelief

Description

The SheetMetal AddCornerRelief command adds a corner relief. A relief is usually created at corners where two bends meet, but the command can also create a relief at an open corner.

The command can only create one relief at a time.


Default corner of two bends → Corner with added corner relief


Default open corner → Open corner with added corner relief

Usage

  1. Select two edges of a corner.
  2. Activate the SheetMetal AddCornerRelief command using one of the following:
    • The Add Corner Relief button.
    • The SheetMetal → Add Corner Relief menu option.
    • The keyboard shortcut: C then R.

Relief shapes

The shape of a corner relief can be altered by changing its property values:

The value of the property ReliefSketch can be chosen from a list: {{value|Circle}} (default), {{value|Circle-Scaled}}, {{value|Square}}, {{value|Square-Scaled}}, {{value|Sketch}}.

  • {{value|Circle}}and {{value|Square}} use the value of the property Size to scale the relief.

  • {{value|Circle-Scaled}}and {{value|Square-Scaled}} use the value of the property Size Ratio to scale the relief.

  • {{value|Sketch}}activates the use of the sketch listed in the property Sketch to define the relief shape.


Circular relief (default settings) → Square relief (default settings) → Sketch based relief

A closer look at relief sizes

To get an idea how and where the relief is placed we unfold a default corner without a relief.

Default corner of two bends → Corner with unfold solid → Corner in top view

The next step is to open the unfold sketch, create a circle through 3 points and add a radius dimension. Now we add a corner relief, create the corresponding unfold solid and open the first unfold sketch again. Adding a concentric circle of 3 mm radius reveals that we have found out how the internal circle is positioned as the new circle fits perfectly into the cut-out of the relief's unfold solid.

Default corner with unfold sketch → Corner with default relief and the same unfold sketch

Trying to set the property Size to a value below the determined 1,67 mm will result in an error; any value above should work fine.

Switching to Circle-Scaled and creating another unfold solid shows that 1,67 mm is the base for the property Size Ratio, too.

Notes

  • The k factor defines where within the thickness of a sheet the neutral axis is located.

: (It would be nice to know if this factor is according to ISO or ANSI standard...)

Properties

See also: Property editor.

A SheetMetal CornerRelief object is derived from a Part Feature object and inherits all its properties. It also has the following additional properties:

Data

{{Properties_Title|Base}}

  • Base Feature|Link|hidden: Base Feature. Link to the parent feature.

  • _Body|LinkHidden|hidden: Hidden link to the parent body.

{{Properties_Title|Parameters}}

  • ReliefSketch|Enumeration: "Corner Relief Type". {{value|Circle}} (default), {{value|Circle-Scaled}}, {{value|Square}}, {{value|Square-Scaled}}, {{value|Sketch}}.

  • Size|Length: "Size of Shape". Default: {{value|3,00 mm}}.

  • Size Ratio|Float: "Size Ratio of Shape". Default: {{value|1,50}}.

  • base Object|LinkSub: "Base Object". Links to the pair of edges defining the Corner Relief position.

  • kfactor|FloatConstraint: "Neutral Axis Position". Default: {{value|0,50}}.

{{Properties_Title|Parameters1}}

  • Sketch|Link: "Corner Relief Sketch".

  • XOffset|Distance: "Gap from side one". Default: {{value|0,00 mm}}.

  • YOffset|Distance: "Gap from side two". Default: {{value|0,00 mm}}.

⏵ documentation index > SheetMetal > Addons > [External Command Reference](Category_External Command Reference.md) > SheetMetal AddCornerRelief