CAM Adaptive: Difference between revisions
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{{GuiCommand |
{{GuiCommand |
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|Name= |
|Name=CAM Adaptive |
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|MenuLocation=CAM → Adaptive |
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|Workbenches=[[CAM_Workbench|CAM]] |
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The [[Image: |
The [[Image:CAM_Adaptive.svg|24px]] [[CAM_Adaptive|Adaptive]] tool uses an adaptive algorithm to create clearing and profiling paths that manage cutter engagement so that engagement and material removal never exceed a maximum value. |
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==Usage== <!--T:5--> |
==Usage== <!--T:5--> |
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Usage instructions for the [[ |
Usage instructions for the [[CAM_Adaptive|Adaptive]] operation are presented here. |
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====Basic Operation==== <!--T:7--> |
====Basic Operation==== <!--T:7--> |
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# Press the {{Button|[[Image: |
# Press the {{Button|[[Image:CAM_Adaptive.svg|16px]] [[CAM_Adaptive|Adaptive]]}} icon, or select the {{KEY|CAM}} → {{KEY|[[Image:CAM_Adaptive.svg|24px]] [[CAM_Adaptive|Adaptive]]}} from the top menu. |
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# Select the tool controller for the Operation from the Tool controller dialogue pop up window, if prompted. |
# Select the tool controller for the Operation from the Tool controller dialogue pop up window, if prompted. |
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# Adjust the operation depths as needed in the Depths tab: Start Depth, Finish Depth, Step Down. |
# Adjust the operation depths as needed in the Depths tab: Start Depth, Finish Depth, Step Down. |
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* Depending on the size and complexity of the area for the operation, is might be better to not recompute the operation after every property change; rather, consider: |
* Depending on the size and complexity of the area for the operation, is might be better to not recompute the operation after every property change; rather, consider: |
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** deactivate the operation with the {{KEY|[[Image: |
** deactivate the operation with the {{KEY|[[Image:CAM_OpActiveToggle.svg|16px]] [[CAM_OpActiveToggle|Active]]}} toggle tool, make your changes to the operation's properties, then click the {{KEY|[[Image:CAM_OpActiveToggle.svg|16px]] [[CAM_OpActiveToggle|Active]]}} icon again to re-activate the operation - which triggers a recompute internally. |
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* The {{KEY|[[Image: |
* The {{KEY|[[Image:CAM_Adaptive.svg|16px]] [[CAM_Adaptive|Adaptive]]}} operation might contain a few bugs yet to be clearly identified. Please report bugs and issues in the [https://forum.freecadweb.org/viewforum.php?f=15 FreeCAD Path/CAM Forum]. |
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* All tool shapes may not be respected with this operation. Check the FreeCAD forum for further details. |
* All tool shapes may not be respected with this operation. Check the FreeCAD forum for further details. |
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* Should you choose to run the path simulator in the |
* Should you choose to run the path simulator in the CAM Workbench, it only uses the standard end mill to simulate paths. Therefore, you will not see tool-shape-specific material removal. Material removal is shown using the end mill shape. |
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==Properties== <!--T:11--> |
==Properties== <!--T:11--> |
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Note: It is suggested that you do not edit the Placement property of path operations. Rather, move or rotate the |
Note: It is suggested that you do not edit the Placement property of path operations. Rather, move or rotate the CAM Job model as needed. |
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In case |
In case CAM Adaptive creates some unwanted paths, try with a {{PropertyData|Stock to Leave}} set to {{Value|0.001 mm}} or more. You can reduce the diameter of the tool by double that amount to keep the paths exact. |
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Latest revision as of 12:19, 17 March 2024
CAM Adaptive |
Menu location |
---|
CAM → Adaptive |
Workbenches |
CAM |
Default shortcut |
None |
Introduced in version |
- |
See also |
None |
Description
The Adaptive tool uses an adaptive algorithm to create clearing and profiling paths that manage cutter engagement so that engagement and material removal never exceed a maximum value.
Usage
Usage instructions for the Adaptive operation are presented here.
Basic Operation
- Press the Adaptive icon, or select the CAM → Adaptive from the top menu.
- Select the tool controller for the Operation from the Tool controller dialogue pop up window, if prompted.
- Adjust the operation depths as needed in the Depths tab: Start Depth, Finish Depth, Step Down.
- Make adjustments in Heights tab if needed.
- Configure settings in the Operations tab:
- (See the Properties → Adaptive section below.)
- Set the Step Over value as a percentage of the diameter of the Tool.
- If you wish to preview the result before accepting the settings, click Apply
- Click OK button to confirm and generate paths.
Preliminary Notes About Adaptive Clearing
- Depending on the size and complexity of the area for the operation, is might be better to not recompute the operation after every property change; rather, consider:
- The Adaptive operation might contain a few bugs yet to be clearly identified. Please report bugs and issues in the FreeCAD Path/CAM Forum.
- All tool shapes may not be respected with this operation. Check the FreeCAD forum for further details.
- Should you choose to run the path simulator in the CAM Workbench, it only uses the standard end mill to simulate paths. Therefore, you will not see tool-shape-specific material removal. Material removal is shown using the end mill shape.
Properties
Note : The names of some Properties in this list differ a little from the same settings used in the Task Window Editor.
Adaptive
- DataForce Inside-Out: Force plunging into material inside and clearing towards the edges
- DataHelix Angle: Helix ramp entry angle (degrees)
- DataHelix Cone Angle: Angle (degrees) of conical helix
- DataHelix Diameter Limit: Limit helix entry diameter, if limit larger than tool diameter or 0, tool diameter is used
- DataKeep Tool Down Ratio: Max length of keep tool down path compared to direct distance between points
- DataLift Distance: Lift distance for rapid moves
- DataOperation Type: Type of adaptive operation: Clearing or Profiling
- DataSide: Side of selected faces that tool should cut: Inside or Outside
- DataStep Over: Percent of cutter diameter to step over on each pass
- DataStock to Leave: How much stock to leave (i.e. for a separate finishing operation)
- DataTolerance: Influences accuracy and performance
- DataUse Helix Arcs: Use Arcs (G2) for helix ramp
Base
Note: It is suggested that you do not edit the Placement property of path operations. Rather, move or rotate the CAM Job model as needed.
- DataPlacement: Overall placement[position and rotation] of the object - with respect to the origin (or origin of parent object container)
- DataAngle: Angle in degrees applied to rotation of the object around Axis property value
- DataAxis: Axis (one or multiple) around which to rotate the object, set in sub-properties: X, Y, Z
- DataX: X axis value
- DataY: Y axis value
- DataZ: Z axis value
- DataPosition: Position of the object, set in sub-properties: X, Y, Z - with respect to the origin (or origin of parent object container)
- DataX: X distance value
- DataY: Y distance value
- DataZ: Z distance value
- DataLabel: User-provided name of the object (UTF-8)
Depth
- DataClearance Height: The height needed to clear clamps and obstructions
- DataFinal Depth: Final Depth of Tool- lowest value in Z
- DataFinish Depth: Maximum material removed on final pass.
- DataSafe Height: The above which Rapid motions are allowed.
- DataStart Depth: Starting Depth of Tool- first cut depth in Z
- DataStep Down: Incremental Step Down of Tool
Path
- DataActive: Make False, to prevent operation from generating code
- DataComment: An optional comment for this Operation
- DataTool Controller: Defines the Tool controller used in the Operation
- DataUser Label: User assigned label
Tasks Window Editor Layout
Descriptions for these settings are provided in the Properties list above.
This section is simply a layout map of the settings in the window editor for the Operation.
Base Geometry
- Add: Adds selected element(s) which should be the base(s) for the path(s).
- Delete: Delete the selected item(s) in the Base Geometry list.
- Clear: Clear all items in the Base Geometry list.
Depths
- DataStart Depth
- DataFinal Depth
- DataFinish Depth
- DataStep Down
Heights
- DataSafe Height
- DataClearance Height
Operation
- DataTool Controller
- DataCut Region (Side)
- DataOperation Type
- DataStep Over Percent
- DataAccuracy vs Performance (Tolerance)
- DataHelix Ramp Angle
- DataHelix Cone Angle
- DataHelix Max Diameter (Helix Diameter Limit)
- DataLift Distance
- DataKeep Tool Down Ratio
- DataStock to Leave
- DataForce Clearing Inside-Out
- DataStop
Known Issues
In case CAM Adaptive creates some unwanted paths, try with a DataStock to Leave set to 0.001 mm
or more. You can reduce the diameter of the tool by double that amount to keep the paths exact.
A proposed bugfix is available (but no one is working on integrating it):
https://github.com/FreeCAD/FreeCAD/pull/5276
Resources
- Author's GitHub page for the original project: kreso-t/FreeCAD_Mod_Adaptive_Path
- Active topic in FreeCAD forums for Path Adaptive operation: Adaptive Path/CAM Operation
- 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
- 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, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub