PartDesign Pad/ro: Difference between revisions
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When selecting a single sketch, it can have multiple enclosed profiles inside a larger one, for example a rectangle with two circles inside it. But the profiles may not intersect each other. {{Version|0.20}} |
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==Opțiuni== |
==Opțiuni== |
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==Limitări== |
==Limitări== |
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* Like all Part Design features, Pad creates a solid, thus the sketch must include a closed profile or it will fail with a ''Failed to validate broken face'' error |
* Like all Part Design features, Pad creates a solid, thus the sketch must include a closed profile or it will fail with a ''Failed to validate broken face'' error. |
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* The algorithm used for '''To First''' and '''To Last''' is: |
* The algorithm used for '''To First''' and '''To Last''' is: |
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** Create a line through the center of gravity of the sketch |
** Create a line through the center of gravity of the sketch |
Revision as of 04:05, 22 February 2022
PartDesign Pad |
poziția meniului |
---|
Part Design → Pad |
Ateliere |
PartDesign |
scurtătură |
nici unul |
Prezentat în versiune |
- |
A se vedea, de asemenea, |
nici unul |
Descriere
Instrumentul Pad extrude o schiță într-un solid în direcția normală la planul schiței. Începând cu versiunea v0.17, fațete pe solid pot de de asemenea utilizate.
Sketch (A) shown on the left; end result after pad operation (B) on the right.
Cum se utilizează
When selecting a single sketch, it can have multiple enclosed profiles inside a larger one, for example a rectangle with two circles inside it. But the profiles may not intersect each other. introduced in version 0.20
Opțiuni
Când se creează o protuberanță(Pad), vizualizarea Combo se comută automat în panoul Activități, afișând dialogul Parametri pad .
Type
Tipul oferă cinci modalități diferite de a specifica lungimea la care va fi extrudat tamponul.
Dimension
Enter a numeric value for the length of the pad. The default direction for extrusion is away (outside of) the support, but it can be changed by ticking the Reversed option. Extrusions occur normal to the defining sketch plane. With the option Symmetric to plane the pad will extend half of the given length to either side of the sketch plane. Negative dimensions are not possible. Use the Reversed option instead.
To last
The pad will extrude up to the last face of the support in the extrusion direction. If there is no support, an error message will appear.
To first
The pad will extrude up to the first face of the support in the extrusion direction. If there is no support, an error message will appear.
Up to face
The pad 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 pad should extend in the opposite direction (into the support). The directions can be switched by ticking the Reversed option.
Length
Definește lungimea protuberanței. Unitățile multiple pot fi utilizate independent de preferințele unităților utilizatorului(m, cm, mm, nm, ft or ', in or ").
Offset to face
Offset from face at which the pad will end. This option is only available when Type is either To last, To first or Up to face.
Direction
Direction/edge
You can select the direction of the extrusion:
- Face/Sketch normal The sketch or face is extruded along its normal. If you have selected several sketches or faces to be extruded, the normal of the first one will be used. introduced in version 0.20
- Select reference... The sketch is extruded along an edge of the 3D model. When this is method selected, you can click on any edge in the 3D model and it becomes the direction vector for the extrusion. introduced in version 0.20
- Custom direction The sketch is extruded along a direction that can be specified via vector values. introduced in version 0.19
Show direction
If checked, the pad direction will be shown. In case the pad uses a Custom direction, it can be changed. introduced in version 0.20
Length along sketch normal
If checked, the pad length is measured along the sketch normal, otherwise along the custom direction. introduced in version 0.20
Symmetric to plane
Bifați caseta de selectare pentru a extinde jumătate din lungimea dată la fiecare parte a planului de schiță.
Reversed
Reverses the direction of the pad.
Taper angle
Tapers the pad in the extrusion direction by the given angle. A positive angle means the outer pad border gets wider. This option is only available if Type is either Dimension or Two dimensions. Note that inner structures receive the opposite taper angle. This is done to facilitate the design of molds and molded parts.
Limitations:
- Sketches containing B-Splines often cannot be properly tapered. This is a limitation of the OpenCASCADE kernel that FreeCAD uses.
- For larger angles tapering will fail if the end face of the pad would have fewer edges than the start face/sketch.
2nd length
Defines the length of the pad in the opposite extrusion direction. 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 if Type is Two dimensions.
2nd taper angle
Tapers the pad in the opposite extrusion direction by the given angle. A positive angle means the outer pad border gets wider. This option is only available if Type is Two dimensions. Note that inner structures receive the opposite taper angle. This is done to facilitate the design of molds and molded parts.
Proprietăți
- DATERefine: version 0.17 and above true or false. Cleans up residual edges left after the operation. This property is initially set according to the user's settings (found in Preferences → Part design → General → Model settings). It can be manually changed afterwards. This property will be saved with the FreeCAD document.
Limitări
- Like all Part Design features, Pad creates a solid, thus the sketch must include a closed profile or it will fail with a Failed to validate broken face error.
- The algorithm used for To First and To Last is:
- Create a line through the center of gravity of the sketch
- Find all faces of the support cut by this line
- Choose the face where the intersection point is nearest/furthest from the sketch
- This means that the face that is found might not always be what you expected. If you run into this problem, use the Up to face type instead, and pick the face you want.
- For the very special case of extrusion to a concave surface, where the sketch is larger than this surface, extrusion will fail. This is a unresolved bug.
- 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