PartDesign Revolution: Difference between revisions
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===Type=== |
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Type offers five different ways of specifying the length to which the pocket will be extruded: |
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====Dimension==== |
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Enter a numeric value for the length of the pocket. The default direction for extrusion is into the support, but it can be changed by ticking the '''Reversed''' option. Extrusions occur by default [http://en.wikipedia.org/wiki/Surface_normal normal] to the defining sketch plane. This can be changed by specifying another '''Direction''' {{Version|0.20}}. With the option '''Symmetric to plane''' the pocket will extend half of the given length to either side of the plane. Negative dimensions are not possible. Use the '''Reversed''' option instead. |
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====Through all==== |
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The pocket will extrude through all objects in the extrusion direction. With the option '''Symmetric to plane''' the pad will cut through all material in both directions.</br> |
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'''Note:''' For technical reasons, ''Through All'' is actually a 10 meter deep pocket. If you need deeper pockets, use the type '''Dimension'''. |
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====To first==== |
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The pocket will extrude up to the first face of the support in the extrusion direction. In other words, it will cut through all material until it reaches an empty space. |
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====Up to face==== |
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The pocket will extrude up to a face in the model that can be chosen by clicking on it. |
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====Two dimensions==== |
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This allows to enter a second length in which the pocket should extend in the opposite direction (into the support). The directions can be switched by ticking the '''Reversed''' option. |
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===Length=== |
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Defines the length of the pocket. Multiple units can be used independently of the user's units preferences (m, cm, mm, nm, ft or ', in or "). This option is only available when '''Type''' is either '''Dimension''' or '''Two dimensions'''. |
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If checked, the direction of revolution is reversed from default clockwise to counterclockwise. |
If checked, the direction of revolution is reversed from default clockwise to counterclockwise. |
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==Properties == <!--T:16--> |
==Properties == <!--T:16--> |
Revision as of 12:12, 24 March 2024
PartDesign Revolution |
Menu location |
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Part Design → Create an additive feature → Revolution |
Workbenches |
PartDesign |
Default shortcut |
None |
Introduced in version |
- |
See also |
PartDesign Groove |
Description
The Revolution tool creates a solid by revolving a selected sketch or 2D object about a given axis.
Above: sketch (A) is revolved 270 degrees counter-clockwise around axis (B); resulting solid (C) is shown right.
Usage
- Select the sketch to be revolved. A face on the existing solid can alternatively be used.
- Press the Revolution button.
- Set the Revolution parameters (see next section).
- Press OK.
Options
When creating a revolution, the Revolution parameters dialogue offers several parameters specifying how the sketch should be revolved.
Type
Type offers five different ways of specifying the length to which the pocket will be extruded:
Dimension
Enter a numeric value for the length of the pocket. The default direction for extrusion is into the support, but it can be changed by ticking the Reversed option. Extrusions occur by default normal to the defining sketch plane. This can be changed by specifying another Direction introduced in version 0.20. With the option Symmetric to plane the pocket will extend half of the given length to either side of the plane. Negative dimensions are not possible. Use the Reversed option instead.
Through all
The pocket will extrude through all objects in the extrusion direction. With the option Symmetric to plane the pad will cut through all material in both directions.
Note: For technical reasons, Through All is actually a 10 meter deep pocket. If you need deeper pockets, use the type Dimension.
To first
The pocket will extrude up to the first face of the support in the extrusion direction. In other words, it will cut through all material until it reaches an empty space.
Up to face
The pocket will extrude up to a face in the model that can be chosen by clicking on it.
Two dimensions
This allows to enter a second length in which the pocket should extend in the opposite direction (into the support). The directions can be switched by ticking the Reversed option.
Length
Defines the length of the pocket. Multiple units can be used independently of the user's units preferences (m, cm, mm, nm, ft or ', in or "). This option is only available when Type is either Dimension or Two dimensions.
Axis
This option specifies the axis about which the sketch is to be revolved.
- Vertical sketch axis: selects the vertical sketch axis.
- Horizontal sketch axis: selects the horizontal sketch axis.
- Construction line: selects a construction line contained in the sketch used by the Revolution. The drop down list will contain an entry for each construction line. The first construction line will be labelled Construction line 1.
- Base (X/Y/Z) axis: selects the X, Y or Z axis of the Body's Origin.
- Select reference...: allows selection in the 3D view of an edge on the Body, or a datum line.
Angle
This controls the angle through which the revolution is to be formed, e.g. 360° would be a full, contiguous revolution. The images in the examples section demonstrate some of the possibilities with specifying different angles. It is not possible to specify negative angles (use the Reversed option instead) or angles greater than 360°.
Symmetric to plane
If checked, the revolution will extend half of the specified angle in both directions from the sketch plane.
Reversed
If checked, the direction of revolution is reversed from default clockwise to counterclockwise.
Properties
Below are properties which can be defined after creation of the feature. Data properties Base and Axis are uneditable.
- DataAngle: angle of rotation. See Angle.
- DataLabel: label given to the operation, can be changed at convenience.
- DataMidplane: true or false. See Symmetric to plane.
- DataReversed: true or false. See Reversed.
- DataRefine: true or false. If set to true, cleans the solid from residual edges left by features. See Part RefineShape for more details.
Notes
- A ShapeBinder cannot be used for the profile.
- When using a SubShapeBinder for the profile, selecting the binder in the Tree view will fail, instead the binder's face has to selected in the 3D view.
Examples
Useful links
A detailed example of use on the forum.
- Structure tools: Part, Group
- Helper tools: Create body, Create sketch, Edit sketch, Map sketch to face
- Modeling tools
- Datum tools: Create a datum point, Create a datum line, Create a datum plane, Create a local coordinate system, Create a shape binder, Create a sub-object(s) shape binder, Create a clone
- Additive tools: Pad, Revolution, Additive loft, Additive pipe, Additive helix, Additive box, Additive cylinder, Additive sphere, Additive cone, Additive ellipsoid, Additive torus, Additive prism, Additive wedge
- Subtractive tools: Pocket, Hole, Groove, Subtractive loft, Subtractive pipe, Subtractive helix, Subtractive box, Subtractive cylinder, Subtractive sphere, Subtractive cone, Subtractive ellipsoid, Subtractive torus, Subtractive prism, Subtractive wedge
- Transformation tools: Mirrored, Linear Pattern, Polar Pattern, Create MultiTransform, Scaled
- Dress-up tools: Fillet, Chamfer, Draft, Thickness
- Boolean: Boolean operation
- Extras: Migrate, Sprocket, Involute gear, Shaft design wizard
- Context menu: Set tip, Move object to other body, Move object after other object, Appearance, Color per face
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web
- Hubs: User hub, Power users hub, Developer hub