Creating custom threads using Sweeps or other tools

jphalip — Mon, 20 Feb 2023 22:12:42 GMT

Hi,

I'd like to write a script that creates custom, non-standard threads. I believe the common tool for that is the Coil. However, I've learned from past experience that Coils can only be controlled in scripts via Text Commands, which can lead to some issues.

So I was thinking perhaps the Sweep tool could be used instead? Do you think that would be possible, and if so, do you have any tips on how to do it? Or should I consider a different tool altogether?

Thanks,

Julien

Re: Creating custom threads using Sweeps or other tools

kandennti — Tue, 21 Feb 2023 02:55:52 GMT

Hi @jphalip .

The numbers are appropriate, but I made a sample.

The helix uses the TemporaryBRepManager.createHelixWire method.

https://help.autodesk.com/view/fusion360/ENU/?guid=GUID-19CBF605-BB13-4FB6-84CC-F92C0CC7F3BE

# Fusion360API Python script import traceback import adsk.core as core import adsk.fusion as fusion def run(context): ui = core.UserInterface.cast(None) try: app: core.Application = core.Application.get() ui = app.userInterface exec_sample() app.activeViewport.refresh() ui.messageBox('Done') except: if ui: ui.messageBox('Failed:\n{}'.format(traceback.format_exc())) def exec_sample(): app: core.Application = core.Application.get() des: fusion.Design = app.activeProduct root: fusion.Component = des.rootComponent helix: fusion.SketchFixedSpline = create_helix( root, core.Point3D.create(0.0,0), core.Vector3D.create(0,0,1), core.Point3D.create(2,0,0), 1, 5, 0, ) sktPlane: fusion.ConstructionPlane = create_plane(root, helix) guideRail: fusion.SketchFixedSpline = create_helix( root, core.Point3D.create(0,0,0), core.Vector3D.create(0,0,1), core.Point3D.create(1,0,0), 1, 5, 0, ) profile: fusion.Profile = create_profile_sketch( root, sktPlane, [ core.Point3D.create(1,0,0), core.Point3D.create(-0.5,0.2,0), core.Point3D.create(-0.5,-0.2,0), ] ) create_guide_rail_sweep( root, profile, helix, guideRail, ) def create_guide_rail_sweep( comp: fusion.Component, profile: fusion.Profile, pathCurve: fusion.SketchFixedSpline, guideCurve: fusion.SketchFixedSpline, ) -> fusion.SweepFeature: path: fusion.Path = fusion.Path.create( pathCurve, fusion.ChainedCurveOptions.noChainedCurves ) guide: fusion.Path = fusion.Path.create( guideCurve, fusion.ChainedCurveOptions.noChainedCurves ) sweepFeats: fusion.SweepFeatures = comp.features.sweepFeatures sweepIpt: fusion.SweepFeatureInput = sweepFeats.createInput( profile, path, fusion.FeatureOperations.NewBodyFeatureOperation ) sweepIpt.guideRail = guide return sweepFeats.add(sweepIpt) def create_profile_sketch( comp: fusion.Component, plane: fusion.ConstructionPlane, pointList: list, ) -> fusion.Profile: skt: fusion.Sketch = comp.sketches.add(plane) skt.isLightBulbOn = False points: fusion.SketchPoints = skt.sketchPoints sktPnts = [points.add(p) for p in pointList] sktPnts.append(sktPnts[0]) sktLines: fusion.SketchLines = skt.sketchCurves.sketchLines for p1, p2 in zip(sktPnts, sktPnts[1:]): sktLines.addByTwoPoints(p1, p2) return skt.profiles[0] def create_plane( comp: fusion.Component, curve: fusion.SketchFixedSpline, ) -> fusion.ConstructionPlane: path: fusion.Path = fusion.Path.create( curve, fusion.ChainedCurveOptions.noChainedCurves ) planes: fusion.ConstructionPlanes = comp.constructionPlanes planeIpt: fusion.ConstructionPlaneInput = planes.createInput() planeIpt.setByDistanceOnPath( path, core.ValueInput.createByReal(0), ) plane: fusion.ConstructionPlane = planes.add(planeIpt) plane.isLightBulbOn = False return plane def create_helix( comp: fusion.Component, axisPoint: core.Point3D, axisVector: core.Vector3D, startPoint: core.Point3D, pitch: float, turns: float, taperAngle: float, ) -> fusion.SketchFixedSpline: tmpMgr: fusion.TemporaryBRepManager=fusion.TemporaryBRepManager.get() helixWireBody: fusion.BRepBody = tmpMgr.createHelixWire( axisPoint, axisVector, startPoint, pitch, turns, taperAngle, ) skt: fusion.Sketch = comp.sketches.add(comp.xYConstructionPlane) skt.isLightBulbOn = False sktFixeds: fusion.SketchFixedSplines = skt.sketchCurves.sketchFixedSplines return sktFixeds.addByNurbsCurve(helixWireBody.wires[0].edges[0].geometry)

It is indeed cumbersome.

Re: Creating custom threads using Sweeps or other tools

jphalip — Wed, 08 Mar 2023 23:05:44 GMT

Hi @kandennti -- thank you so much for taking the time. I haven't had a chance to try this yet, but will hopefully do so soon and report back.

topic Re: Creating custom threads using Sweeps or other tools in Fusion API and Scripts Forum

Creating custom threads using Sweeps or other tools

Re: Creating custom threads using Sweeps or other tools

Re: Creating custom threads using Sweeps or other tools