CAM ToolShape: Difference between revisions
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ToolShapes are a core part of the [[ |
ToolShapes are a core part of the [[CAM_Tools|CAM Tools]] system. ToolShapes are the templates from which ToolBits are created. They represent the specific physical shape of a tool. A ToolShape does not completely describe the bit - for that some additional parameters are needed which will be added when an actual bit is parameterized from the template. |
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* On Linux it is usually {{incode|/usr/lib64/FreeCAD/Mod/ |
* On Linux it is usually {{incode|/usr/lib64/FreeCAD/Mod/CAM/Tools/Shape}} |
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* On Windows it is usually {{incode|C:\Program Files\FreeCAD\Mod\ |
* On Windows it is usually {{incode|C:\Program Files\FreeCAD\Mod\CAM\Tools\Shape}} |
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* On macOS it is usually {{incode|/Applications/FreeCAD/Mod/ |
* On macOS it is usually {{incode|/Applications/FreeCAD.app/Contents/Resources/Mod/CAM/Tools/Shape}} |
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: {{FileName|v-bit.fcstd}} |
: {{FileName|v-bit.fcstd}} |
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These can be found in the {{FileName| |
These can be found in the {{FileName|Mod/CAM/Tools/Shape/}} subdirectory where FreeCAD was installed. |
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== Usage == <!--T:8--> |
== Usage == <!--T:8--> |
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# Close the Sketch. |
# Close the Sketch. |
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# [[Image:PartDesign_Revolution.svg|16px]] [[PartDesign_Revolution|Revolve]] the Sketch around the vertical Sketch axis. |
# [[Image:PartDesign_Revolution.svg|16px]] [[PartDesign_Revolution|Revolve]] the Sketch around the vertical Sketch axis. |
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# Open the [[Image: |
# Open the [[Image:Workbench_CAM.svg|16px]] [[CAM_Workbench|CAM Workbench]]. |
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# Select the Sketch in the [[Tree_view|Tree view]]. This ensures that the PropertyBag created in the next step will be nested in the Body. |
# Select the Sketch in the [[Tree_view|Tree view]]. This ensures that the PropertyBag created in the next step will be nested in the Body. |
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# Select the {{MenuCommand| |
# Select the {{MenuCommand|CAM → Utils → PropertyBag}} option from the menu. |
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# A PropertyBag named {{Value|Attributes}} is created. This PropertyBag will be used to control the dimensions in the Sketch. |
# A PropertyBag named {{Value|Attributes}} is created. This PropertyBag will be used to control the dimensions in the Sketch. |
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# Double-click the PropertyBag in the [[Tree_view|Tree view]]. |
# Double-click the PropertyBag in the [[Tree_view|Tree view]]. |
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# Save the {{FileName|FCStd}} file where FreeCAD expects to find ToolBit files. See [[#Description|Description]] above. |
# Save the {{FileName|FCStd}} file where FreeCAD expects to find ToolBit files. See [[#Description|Description]] above. |
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* Note 1. If you are denied access to the folder on Windows, start FreeCAD in ADMINISTRATOR mode. |
* Note 1. If you are denied access to the folder on Windows, start FreeCAD in ADMINISTRATOR mode. |
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* Note 2. The Body of the ToolBit must be the first object in the [[Tree_view|Tree view]]. These instructions ensure that this is the case. |
* Note 2. The Body of the ToolBit must be the first object in the [[Tree_view|Tree view]]. These instructions ensure that this is the case. |
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ToolBits will have a small icon image of the tool in the [[Tree_view|Tree view]] if the file is saved with thumbnails active. |
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Latest revision as of 11:43, 17 March 2024
Description
ToolShapes are a core part of the CAM Tools system. ToolShapes are the templates from which ToolBits are created. They represent the specific physical shape of a tool. A ToolShape does not completely describe the bit - for that some additional parameters are needed which will be added when an actual bit is parameterized from the template.
Initially ToolShapes are just FreeCAD documents with a single Body created from the Part Design workbench.
Creating new ToolShapes is an advanced topic. The most commonly needed ToolShapes already exist and are provided with the FreeCAD installation at:
- On Linux it is usually
/usr/lib64/FreeCAD/Mod/CAM/Tools/Shape
- On Windows it is usually
C:\Program Files\FreeCAD\Mod\CAM\Tools\Shape
- On macOS it is usually
/Applications/FreeCAD.app/Contents/Resources/Mod/CAM/Tools/Shape
They are:
- ballend.fcstd
- bullnose.fcstd
- chamfer.fcstd
- drill.fcstd
- endmill.fcstd
- probe.fcstd
- slittingsaw.fcstd
- thread-mill.fcstd
- v-bit.fcstd
These can be found in the Mod/CAM/Tools/Shape/ subdirectory where FreeCAD was installed.
Usage
- Create a new FreeCAD document.
- Open the
PartDesign Workbench.
- Create a Body and give the Body a label you want to show up in the bit selection.
- Create a
Sketch on the XZ plane and draw half the profile of the bit.
- Constrain the bottom most center of the bit on the origin
(0,0)
. This will be the center of the axis on which the G-code will rotate the bit.- Note: Do not add dimensional constraints at this time.
- Close the Sketch.
Revolve the Sketch around the vertical Sketch axis.
- Open the
CAM Workbench.
- Select the Sketch in the Tree view. This ensures that the PropertyBag created in the next step will be nested in the Body.
- Select the CAM → Utils → PropertyBag option from the menu.
- A PropertyBag named
Attributes
is created. This PropertyBag will be used to control the dimensions in the Sketch. - Double-click the PropertyBag in the Tree view.
- The Property Bag task panel opens.
- Click the Add... button.
- The Create Property dialog opens.
- Create a property named
Diameter
. This property is mandatory for ToolBits. Property names are case-sensitive and may not contain spaces. - Select
Shape
from the Group dropdown list. - Select the appropriate Type.
- Optionally specify a ToolTip.
- Click the OK button.
- In the Property Bag task panel enter a value for the Diameter property.
- Similarly add all other required properties.
- Click the OK button in the Property Bag task panel when done.
- Double-click the Sketch in the Tree view.
- Add dimensional constraints and apply the properties from the created PropertyBag. For example to apply the Diameter property:
- Repeat this until the Sketch is fully constrained.
- Save the FCStd file where FreeCAD expects to find ToolBit files. See Description above.
- Note 1. If you are denied access to the folder on Windows, start FreeCAD in ADMINISTRATOR mode.
- Note 2. The Body of the ToolBit must be the first object in the Tree view. These instructions ensure that this is the case.
Tool Thumbnail Images
ToolBits will have a small icon image of the tool in the Tree view if the file is saved with thumbnails active.
Important notes:
- Before saving the document make sure you have Save Thumbnail selected, and Add program logo deselected in FreeCAD's preferences.
- Also make sure to switch to Front View and Fit content to screen
- Whatever you see when saving the document will end up being the visual representation of the template
- Project Commands: Job, Post Process, Check the CAM job for common errors, Export Template
- Tool Commands: Inspect CAM Commands, CAM Simulator, Finish Selecting Loop, Toggle the Active State of the Operation, ToolBit Library editor, ToolBit Dock
- Basic Operations: Profile, Pocket Shape, Drilling, Face, Helix, Adaptive, Slot, Engrave, Deburr, Vcarve
- 3D Operations: 3D Pocket, 3D Surface, Waterline
- CAM Modification: Copy the operation in the job, Array, Simple Copy
- Specialty Operations: Thread Milling
- Miscellaneous: Area, Area workplane
- ToolBit architecture: Tools, ToolShape, ToolBit, ToolBit Library, ToolController
- Additional: Preferences, Scripting
![](/images/thumb/9/94/User_hub.png/24px-User_hub.png)
- 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, Assembly, BIM, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub