Path Workbench/it: Difference between revisions

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==Introduzione==

L'ambiente Path viene utilizzato per produrre delle istruzioni macchina di tipo [https://en.wikipedia.org/wiki/CNC_router CNC machines] da un modello 3D di FreeCAD. Con questo si producono oggetti 3D reali su macchine CNC come fresatrici, torni, laser cutter o simili. In genere, le istruzioni sono in un dialetto [https://en.wikipedia.org/wiki/G-Code G-Code]


[[Image:pathwb.png]]


L'ambiente Path di FreeCAD crea queste istruzioni macchina con il seguente flusso di lavoro:
* Un modello 3D è l'oggetto base, in genere creato utilizzando uno o più ambienti quali [[PartDesign Workbench/it|Part Design]], [[Part Workbench/it|Part]] o [[Draft Workbench/it|Draft]].
* L'ambiente Path crea una [[Path_Job/it|Lavorazione]]. Essa contiene tutte le informazioni necessarie per generare il codice G necessario per eseguire il lavoro su una fresatrice CNC: c'è materiale di base (Stock), la fresatrice ha un certo [[Path_EditToolsTable|set di utensili]] e segue determinati comandi che controllano velocità ed i movimenti(solitamente G-Code).
* Gli utensili sono selezionati come richiesto dalle operazioni di lavorazione.
* I percorsi di fresatura vengono creati utilizzando, ad es. le operazioni di[[Path_Profile/it|Contornatura]] e [[Path_Pocket_3D/it|Tasca]]. Questi [[Path objects/it|oggetti Path]] utilizzano il dialetto G-Code interno di FreeCAD, indipendente dalla macchina CNC.


=== Links for the impatient ===
Depending on your interest in the Path workbench there are different topics for further reading:

* If you are a new new user trying to get familiar with Path, you might be interested in a fast [[Path Walkthrough for the Impatient|walk-through]] tutorial.
* If you have a special machine which cannot use one of the available postprocessors you may want to learn about [[Path_Postprocessor_Customization|post-processor customization]]
* As an experienced user you may want to write a macro or automate a process might need to learn about [[Path_scripting|scripting]]
* Power users who want to streamline their workflow can learn about [[Path_Customization|customization]].
* New developers who want to contribute to path might want to understand [[Path_Core_Concepts|core concepts]].

== General concepts ==
The Path Workbench generates G-Code defining the paths required to mill the Project represented by the 3D model on the target mill—in [[https://www.freecadweb.org/wiki/Path_scripting#FreeCAD.27s_internal_GCode_format the Path Job Operations FreeCAD G-Code dialect ]], which is later translated to the appropriate dialect for the target CNC controller by selecting the appropriate Postprocessor.
The G-Code is generated from directives and Operations contained in a Path Job. The Job Workflow lists these in the order they will be executed. The list is populated by adding Path Operations, Path Dressups, Path Partial Commands, and Path Modifications—from the Path Menu, or GUI buttons.

The Path Workbench provides a Tool Manager (Library, Tool-Table), and G-Code Inspection, and Simulation tools. It links the Postprocessor, and allows importing and exporting Job Templates.

The Path Workbench has external dependencies including:
# The FreeCAD 3D model units are defined in the Edit-> Preference...->General->Units tab's Units settings. The Postprocessor configuration defines the final G-Code units.
# The Macro file path, and Geometric tolerances, are defined in the Edit->Preferences...->Path->Job Preferences tab.
# Colors are defined in the Edit->Preferences...->Path->Path colors tab.
# Holding tag parameters are defined in the Edit->Preferences...->Path->Dressups tab.
# That the Base 3D model quality supports the Path WB requirements—passes Check Geometry.

FreeCAD Path Workbench internal G-Code dialect represents Feed rates in Units/Second—what the G-Code Inspection tool will show. The Postprocessor is configured to generate the appropriate Feed rates—either in Units/Second or Units/Minute for the target mill.

== I comandi di Path ==

These commands are used for seting up a CNC project and manage your templates.

* [[Image:Path-3DPocket.png|32px]] [[Path_Pocket_3D|3D Pocket]]: Creates a path for a 3D pocket
* [[Image:Path-3DSurface.png|32px]] [[Path_Surface|3D Surface]]: Creates a path for a 3D surface
* [[Image:Path_Array.png|32px]] [[Path_Array|Array]]: Creates an array by duplicating a selected path
* [[Image:Path_Comment.png|32px]] [[Path_Comment|Comment]]: Inserts a comment in the G-code of a path
* [[File:Path-CompleteLoop.png|32px]] [[Path_SelectLoop|Complete Loop]]: Completes a loop from two selected edges
* [[File:Path_Contour.png|32px]] [[Path_Contour|Contour]]: Creates a path of the contour of the base object
* [[Image:Path_Copy.png|32px]] [[Path_Copy|Copy]]: Copies a selected path object
* [[Image:Path_Custom.png|32px]] [[Path_Custom|Custom]]: Inserts custom G-code

* [[Image:Path_Dressup.png|32px]] [[Path_DressupDogbone|Dogbone Dressup]]: Adds a dogbone dressup modification to a selected path
* [[Image:Path_Dressup.png|32px]] [[Path_DressupDragKnife|Dragknife Dressup]]: Adds a dragknife dressup modification to a selected path

* [[Image:Path_Drilling.png|32px]] [[Path_Drilling|Drilling]]: Performs a drilling cycle
* [[Image:Path-Engrave.png|32px]] [[Path_Engrave|Engrave]]: Creates a engraving path
* [[Image:Path-ExportTemplate.png|32px]] [[Path_ExportTemplate|Export Template]]: Export the current job as a template

* [[Image:Path-Face.png|32px]] [[Path_MillFace|Mill Face]]: Creates a surfacing path
* [[Image:Path-Area.png|32px]] [[Path_Area|Feature area]]: Creates a feature area from selected objects
* [[Image:Path-Area-Workplane.png|32px]] [[Path_Area_Workplane|Feature area workplane]]: Creates a feature area workplane
* [[Image:Path_Fixture.png|32px]] [[Path_Fixture|Fixture]]: Changes the fixture position

* [[File:Path_Inspect.png|32px]] [[Path_Inspect|G-Code Inspector]]: Shows the G-code for checking
* [[Image:Path_GcodeFromShape.png|32px]] [[Path_FromShapes|Gcode From a Shape]]: Creates a path object from a selected Part object
* [[Image:Path-Helix.png|32px]] [[Path_Helix|Helix]]: Creates a helical path

* [[Image:Path-Job.png|32px]] [[Path_Job|Job]]: Creates a new CNC job
* [[Image:Path_Pocket.png|32px]] [[Path_Pocket_Shape|Pocket]]: Creates a pocketing operation from one ore more selected pocket(s)
* [[Image:Path_PostProcess.png|32px]] [[Path_Post|Post Process]]: Exports a project to G-code
* [[Image:Path-Profile-Edges.png|32px]] [[Path_ProfileEdges|Profile from Edges]]: Creates a profiling path from selected edges
* [[Image:Path-Profile-Face.png|32px]] [[Path_ProfileFace|Profile from Face]]: Creates a profiling path from a selected face
* [[Image:Path_Dressup.png|32px]] [[Path_DressupRampEntry|Ramp Entry Dressup]]: Adds ramp entry dressup modification to a selected path
* [[File:Path_Sanity.png|32px]] [[Path_Sanity|Path Errors]]: Checks the selected Job for missing values
* [[Image:Path_SelectionPlane.png|32px]] [[Path_Plane|Plane]]: Changes the working plane of the machine
* [[Image:Path_SimpleCopy.png|32px]] [[Path_SimpleCopy|Simple Copy]]: Creates a non-parametric copy of a selected path object
* [[File:Path_Simulator.png|32px]] [[Path_Simulator|Simulator]]: Shows the milling operation like it's done on the machine
* [[Image:Path_Stop.png|32px]] [[Path_Stop|Stop]]: Inserts a full stop of the machine
* [[Image:Path_Dressup.png|32px]] [[Path_DressupTag|Tag Dressup]]: Adds a holding tag dressup modification to a selected path
* [[Image:Path_ToolLenthOffset.png|32px]] [[Path_ToolLengthOffset|Tool Length Offset]]: Changes the offset of the current tool
* [[Image:Path_ToolLibraryEdit.png|32px]] [[Path_ToolLibraryEdit|Tool Manager]]: Edit the Tool Manager

==Script==

L'ambiente Path offre una vasta gamma di [[Path scripting/it|script API in python]]. Con gli script python è possibile creare e modificare i percorsi, o estendere le funzionalità disponibili nell'ambiente.

== [[Path_FAQ|FAQ]] ==

The Path Workbench shares many concepts with other CAM software packages but has its own peculiarities. If something seems wrong, this might be a good place to start.

[[Category:User Documentation/it]]
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Latest revision as of 19:45, 17 March 2024

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