freecad.gears (aka FCGear) epic-megagrant
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- Posts: 53
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Re: freecad.gears (aka FCGear) epic-megagrant
Great to hear a great workbench getting even better!
I use the cycloid gear a lot to design 3D printed clocks
I would be nice to have a head parameter implemented for the cycloid gear
I have implemented locally the files linked here: (not backward compatible)
https://github.com/jacprog/FreeCADclok1 ... ycloidGear
To learn more about cycloid gears, here are two excellent links to add as references, the author is familiar with FreeCAD
Meshing of cycloidal gears
https://www.tec-science.com/mechanical- ... dal-gears/
Geometry of cycloidal gears:
https://www.tec-science.com/mechanical- ... dal-gears/
Another feature/parameter that would be nice is the option to have a center hole in gears when generated
Keep up the great work, thanks for doing
Jacques
I use the cycloid gear a lot to design 3D printed clocks
I would be nice to have a head parameter implemented for the cycloid gear
I have implemented locally the files linked here: (not backward compatible)
https://github.com/jacprog/FreeCADclok1 ... ycloidGear
To learn more about cycloid gears, here are two excellent links to add as references, the author is familiar with FreeCAD
Meshing of cycloidal gears
https://www.tec-science.com/mechanical- ... dal-gears/
Geometry of cycloidal gears:
https://www.tec-science.com/mechanical- ... dal-gears/
Another feature/parameter that would be nice is the option to have a center hole in gears when generated
Keep up the great work, thanks for doing
Jacques
Re: freecad.gears (aka FCGear) epic-megagrant
pythonocc: https://github.com/tpaviot/pythonocc-core
The conda based bundles have it included.
Thanks for your feedback. I didn't know someone really uses the cycloid gears. Also I somehow missed the feedback you gave in the other post:jackfreecad wrote: ↑Fri Jun 11, 2021 10:54 am Great to hear a great workbench getting even better!
I use the cycloid gear a lot to design 3D printed clocks
I would be nice to have a head parameter implemented for the cycloid gear
I have implemented locally the files linked here: (not backward compatible)
https://github.com/jacprog/FreeCADclok1 ... ycloidGear
To learn more about cycloid gears, here are two excellent links to add as references, the author is familiar with FreeCAD
Meshing of cycloidal gears
https://www.tec-science.com/mechanical- ... dal-gears/
Geometry of cycloidal gears:
https://www.tec-science.com/mechanical- ... dal-gears/
https://forum.freecadweb.org/viewtopic. ... 44#p481144
Issue for cycloide-gears:
https://github.com/looooo/freecad.gears/issues/15
Yes I think about adding some basic construction tools. Something more simple to use (with boolean operations included) but not as flexible as the current tools.Another feature/parameter that would be nice is the option to have a center hole in gears when generated
Re: freecad.gears (aka FCGear) epic-megagrant
Properties for cycloide-gear are added as shown in the image (megagrant branch):jackfreecad wrote: ↑Fri Jun 11, 2021 10:54 am I use the cycloid gear a lot to design 3D printed clocks
I would be nice to have a head parameter implemented for the cycloid gear
Re: freecad.gears (aka FCGear) epic-megagrant
That's awesome news!!!! Congrats!
Re: freecad.gears (aka FCGear) epic-megagrant
Great news! Congratulations!
- kkremitzki
- Veteran
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- Location: Illinois
Re: freecad.gears (aka FCGear) epic-megagrant
Congratulations! Glad to see someone followed through on the megagrant opportunity.
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- Joined: Sun Oct 25, 2020 4:56 pm
Re: freecad.gears (aka FCGear) epic-megagrant
Just wanted to trow an idea about a gearbox work bench
What if the gearbox workbench was a solver?
Many of gear interactions can be breaked down to two situations:
Pitch circles are tangent (gear meshing togheter)
Or
Pitch circles are coincident (on same axis/shaft)
There are cases where pitch circle are just coincident (worm gear for example) and cases where additional constraint are needed: Bevel gears also need the apex to be coincident
There is more...
I will develop the idea in the appropriate thread, just picking curiosity!
Thoughts?
What if the gearbox workbench was a solver?
Many of gear interactions can be breaked down to two situations:
Pitch circles are tangent (gear meshing togheter)
Or
Pitch circles are coincident (on same axis/shaft)
There are cases where pitch circle are just coincident (worm gear for example) and cases where additional constraint are needed: Bevel gears also need the apex to be coincident
There is more...
I will develop the idea in the appropriate thread, just picking curiosity!
Thoughts?
Re: freecad.gears (aka FCGear) epic-megagrant
Good idea. Such a workbench could help generating appropriate expressions or attachments or use Sketcher's solver with references to external geometry to set the modul and place the gears at the correct positions.
A Sketcher Lecture with in-depth information is available in English, auf Deutsch, en français, en español.
Re: freecad.gears (aka FCGear) epic-megagrant
+1
Alone you go faster. Together we go farther
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Please mark thread [Solved]
Want to contribute back to FC? Checkout:
'good first issues' | Open TODOs and FIXMEs | How to Help FreeCAD | How to report Bugs
Re: freecad.gears (aka FCGear) epic-megagrant
"don't sell the bear's fell before killing the bear"jackfreecad wrote: ↑Wed Jun 16, 2021 1:45 am Just wanted to trow an idea about a gearbox work bench
...
Thoughts?