Part Helix/es: Difference between revisions
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<languages/> |
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{{GuiCommand/es|Name=Part Helix|Name/es=Part Helix|MenuLocation=Part → [[Part_CreatePrimitives/es|Create Primitives]] → Helix|Workbenches=[[Part Module/es|Part]], [[OpenSCAD_Module/es|OpenSCAD]]|SeeAlso=..}} |
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{{Docnav |
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|[[Part_Wedge|Wedge]] |
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|[[Part_Spiral|Spiral]] |
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|[[Part_Workbench|Part]] |
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|IconL=Part_Wedge.svg |
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|IconR=Part_Spiral.svg |
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|IconC=Workbench_Part.svg |
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}} |
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<div class="mw-translate-fuzzy"> |
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{{GuiCommand/es|Name=Part Helix|Name/es=Part Helix|MenuLocation=Part → [[Part_CreatePrimitives/es|Create Primitives]] → Helix|Workbenches=[[Part_Workbench/es|Part]], [[OpenSCAD_Workbench/es|OpenSCAD]]|SeeAlso=..}} |
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</div> |
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== Description == |
== Description == |
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A Helix geometric primitive is available from the Create Primitives dialogue in the Part workbench. |
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A [[Image:Part_Helix.svg|24px]] '''Part Helix''' is a parametric shape that can be created with the [[Image:Part_Primitives.svg|24px]] [[Part_Primitives|Part Primitives]] command. In the coordinate system defined by its {{PropertyData|Placement}} property, the axis of the helix matches the Z axis and its bottom point, the start point, lies on the X axis. |
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The Create Primitives dialogue can be accessed via the [[Part_CreatePrimitives|CreatePrimitives]] icon [[Image:Part_CreatePrimitives.png|32px]] located in the Part menu or the Part toolbar, in the Part Workbench. A common usage for the Helix is for [[Thread_for_Screw_Tutorial|threads]] in conjunction with the [[Part_Sweep|sweep]] operation. |
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[[Image:Part_Helix_Example.png|400px]] |
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== How to use == |
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== Usage == |
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{| |
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| [[File:PartHelixPrimitivesOptions_en.png]] |
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| |
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====Parameter==== |
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* {{Parameter|Pitch:}}The pitch corresponds to the space between two consecutive "turns" of the helix measured along the main axis of the helix. |
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* {{Parameter|Height:}} The height corresponds to the overall height of the helix measured along the main axis of the helix. |
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* {{Parameter|Radius:}} The radius corresponds to the radius of the circle built by the helix by viewing the helix from the top / bottom. |
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* {{Parameter|Angle}}: Per default the helix is built on a imaginary cylinder. With this option it is possible to build the helix on a imaginay conus. This angle corresponds to the angle of the conus. The value must be comprised between -90 deg and +90 deg. |
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* {{Parameter|Right-handed or Left-handed:}} This parameter specifies the [https://en.wikipedia.org/wiki/Screw_thread handedness] of the helix. |
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====Location==== |
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* {{Parameter|X:}} The main axis of the helix will be translated along the x axis of the value you indicate in this field. |
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* {{Parameter|Y:}} The main axis of the helix will be translated along the y axis of the value you indicate in this field. |
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* {{Parameter|Z:}} The main axis of the helix will be translated along the z axis of the value you indicate in this field. |
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* {{Parameter|Direction:}} Per default the main axis of the helix is the z axis. Here you have the possibility to edit the main axis of the helix. If you select the parameter "user defined..." , you will be invited to indicate the main axis of the helix by entering the coordinates of its vector. |
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* {{Parameter|3D View:}} allows you select center in the 3D view |
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|} |
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See [[Part_Primitives#Usage|Part Primitives]]. |
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== Options == |
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== Example == |
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Once you have created the helix you have the possibility to edit its parameters. |
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{| |
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| [[File:PartHelixProperty_en.png]] |
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| |
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The parameters in this menu are similar to those described above.<br /> |
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{{KEY|Base}}<br /> |
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* {{Parameter|Placement:}} allows you to move or rotate the helix |
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* {{Parameter|Angle:}} |
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|} |
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[[Image:Part_Helix_Scripting_Example.png|thumb|Part Helix from the scripting example]] |
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{{clear}} |
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<languages/> |
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A Part Helix object created with the [[#Scripting|scripting example]] below is shown here. |
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== Notes == |
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* A Part Helix can be used to create screw threads. See [[Thread_for_Screw_Tutorial|Thread for Screw Tutorial]]. |
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== Properties == |
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See also: [[Property_editor|Property editor]]. |
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A Part Helix object is derived from a [[Part_Feature|Part Feature]] object and inherits all its properties. It also has the following additional properties: |
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=== Data === |
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{{TitleProperty|Attachment}} |
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The object has the same attachment properties as a [[Part_Part2DObject#Data|Part Part2DObject]]. |
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{{TitleProperty|Coordinate System}} |
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* {{PropertyData|Local Coord|Enumeration}}: The [https://en.wikipedia.org/wiki/Screw_thread handedness], or direction, of the helix: {{Value|Right-handed}} or {{Value|Left-handed}}. The default is {{Value|Right-handed}}, meaning the helix turns counterclockwise as it goes up. |
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{{TitleProperty|Helix}} |
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* {{PropertyData|Pitch|Length}}: The distance between two consecutive turns of the helix measured along its Z axis. The default is {{Value|1mm}}. |
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* {{PropertyData|Height|Length}}: The height of the helix. The default is {{Value|2mm}}. |
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* {{PropertyData|Radius|Length}}: The start radius of the helix. The helix has a constant radius if {{PropertyData|Angle}} is {{Value|0°}}. |
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* {{PropertyData|Segment Length|QuantityConstraint}}: The number of turns per helix subdivision. The default is {{Value|1}}, meaning each full turn of the helix is a separate segment. Use {{Value|0}} to suppress subdivision. |
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* {{PropertyData|Angle|Angle}}: The angle that defines of the outer shape of the helix. Valid range: {{Value|-90° < value < 90°}}. The default is {{Value|0°}}. If it is {{Value|0°}} the helix is cylindrical, else it is conical. |
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== Scripting == |
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See also: [https://freecad.github.io/SourceDoc/ Autogenerated API documentation], [[Part_scripting|Part scripting]] and [[FreeCAD_Scripting_Basics|FreeCAD Scripting Basics]]. |
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A Part Helix can be created with the {{Incode|addObject()}} method of the document: |
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{{Code|code= |
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helix = FreeCAD.ActiveDocument.addObject("Part::Helix", "myHelix") |
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}} |
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* Where {{Incode|"myHelix"}} is the name for the object. |
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* The function returns the newly created object. |
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Example: |
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{{Code|code= |
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import FreeCAD as App |
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doc = App.activeDocument() |
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helix = doc.addObject("Part::Helix", "myHelix") |
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helix.Pitch = 2 |
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helix.Height = 3 |
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helix.Radius = 4 |
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helix.SegmentLength = 21 |
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helix.Angle = 45 |
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helix.Placement = App.Placement(App.Vector(1, 2, 3), App.Rotation(75, 60, 30)) |
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doc.recompute() |
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}} |
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{{Docnav |
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|[[Part_Wedge|Wedge]] |
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|[[Part_Spiral|Spiral]] |
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|[[Part_Workbench|Part]] |
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|IconL=Part_Wedge.svg |
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|IconR=Part_Spiral.svg |
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|IconC=Workbench_Part.svg |
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}} |
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{{Part_Tools_navi{{#translation:}}}} |
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{{Userdocnavi{{#translation:}}}} |
Latest revision as of 10:17, 3 March 2022
Part Helix |
Ubicación en el Menú |
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Part → Create Primitives → Helix |
Entornos de trabajo |
Part, OpenSCAD |
Atajo de teclado por defecto |
Ninguno |
Introducido en versión |
- |
Ver también |
.. |
Description
A Part Helix is a parametric shape that can be created with the Part Primitives command. In the coordinate system defined by its DatosPlacement property, the axis of the helix matches the Z axis and its bottom point, the start point, lies on the X axis.
Usage
See Part Primitives.
Example
A Part Helix object created with the scripting example below is shown here.
Notes
- A Part Helix can be used to create screw threads. See Thread for Screw Tutorial.
Properties
See also: Property editor.
A Part Helix object is derived from a Part Feature object and inherits all its properties. It also has the following additional properties:
Data
Attachment
The object has the same attachment properties as a Part Part2DObject.
Coordinate System
- DatosLocal Coord (
Enumeration
): The handedness, or direction, of the helix:Right-handed
orLeft-handed
. The default isRight-handed
, meaning the helix turns counterclockwise as it goes up.
Helix
- DatosPitch (
Length
): The distance between two consecutive turns of the helix measured along its Z axis. The default is1mm
. - DatosHeight (
Length
): The height of the helix. The default is2mm
. - DatosRadius (
Length
): The start radius of the helix. The helix has a constant radius if DatosAngle is0°
. - DatosSegment Length (
QuantityConstraint
): The number of turns per helix subdivision. The default is1
, meaning each full turn of the helix is a separate segment. Use0
to suppress subdivision. - DatosAngle (
Angle
): The angle that defines of the outer shape of the helix. Valid range:-90° < value < 90°
. The default is0°
. If it is0°
the helix is cylindrical, else it is conical.
Scripting
See also: Autogenerated API documentation, Part scripting and FreeCAD Scripting Basics.
A Part Helix can be created with the addObject()
method of the document:
helix = FreeCAD.ActiveDocument.addObject("Part::Helix", "myHelix")
- Where
"myHelix"
is the name for the object. - The function returns the newly created object.
Example:
import FreeCAD as App
doc = App.activeDocument()
helix = doc.addObject("Part::Helix", "myHelix")
helix.Pitch = 2
helix.Height = 3
helix.Radius = 4
helix.SegmentLength = 21
helix.Angle = 45
helix.Placement = App.Placement(App.Vector(1, 2, 3), App.Rotation(75, 60, 30))
doc.recompute()
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