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Hypoid gear modelling - been done in OpenSCAD?

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Hypoid gear modelling - been done in OpenSCAD?

alexgibson

I would like to model a car differential gear set for a personal project. 

 

This uses Hypoid gear drive – similar to this: https://www.thingiverse.com/thing:1888576

 

The Hypoid gear goes a bit beyond the usual spiral bevel gear libraries, as there’s an offset shaft as well as curved teeth…  

I’ve found a few examples of people having done this in Blender, showing their working, and there are online calculators, so eventually I imagine I could recreate these – but would be brilliant if this already exists in OpenSCAD – anybody seen this please?

 

Cheers,

 

Alex Gibson

 

admg consulting

 

edumaker limited

 

·         Project management

·         Operations & Process improvement

·         3D Printing

 


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Re: Hypoid gear modelling - been done in OpenSCAD?

NateTG
I tried to generate hypoid gears years ago, but my gear theory was bad at the
time.  Maybe I should take another crack at it.




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Re: Hypoid gear modelling - been done in OpenSCAD?

alexgibson
I could only encourage this :)

Some research aids!

This is a true hypoid already created as I mentioned already:
https://www.thingiverse.com/thing:1888576
This actually comes with a full tutorial for creating it in Blender - and
even better from the maker, an online calculator:
http://www.otvinta.com/hypoid.html

Here are a few already good OpenSCAD gear libraries, it would be great to
build on one of these to give any new function maximum reach - one that is
referenced by a lot of extruder designs:
https://www.thingiverse.com/thing:3752

...and another which is very comprehensive and includes planetary gearboxes,
herringbone bevel gears, in German but I could help with anything Google
Translate doesn't make sense of!
https://www.thingiverse.com/thing:1604369
(apparently sometimes this generates non-manifold issues but I've not yet
had that issue...

Here is an unfinished library that contains good stuff too:
https://www.thingiverse.com/thing:881568


Alex Gibson

admg consulting

edumaker limited

. Project management
. Operations & Process improvement
. 3D Printing


-----Original Message-----
From: Discuss [mailto:[hidden email]] On Behalf Of
NateTG
Sent: 20 February 2020 18:53
To: [hidden email]
Subject: Re: [OpenSCAD] Hypoid gear modelling - been done in OpenSCAD?

I tried to generate hypoid gears years ago, but my gear theory was bad at
the
time.  Maybe I should take another crack at it.




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Re: Hypoid gear modelling - been done in OpenSCAD?

Juan C.Cilleruelo

See this: https://www.thingiverse.com/thing:1604369


On 20/02/2020 20:27, Alex Gibson wrote:

> I could only encourage this :)
>
> Some research aids!
>
> This is a true hypoid already created as I mentioned already:
> https://www.thingiverse.com/thing:1888576
> This actually comes with a full tutorial for creating it in Blender - and
> even better from the maker, an online calculator:
> http://www.otvinta.com/hypoid.html
>
> Here are a few already good OpenSCAD gear libraries, it would be great to
> build on one of these to give any new function maximum reach - one that is
> referenced by a lot of extruder designs:
> https://www.thingiverse.com/thing:3752
>
> ...and another which is very comprehensive and includes planetary gearboxes,
> herringbone bevel gears, in German but I could help with anything Google
> Translate doesn't make sense of!
> https://www.thingiverse.com/thing:1604369
> (apparently sometimes this generates non-manifold issues but I've not yet
> had that issue...
>
> Here is an unfinished library that contains good stuff too:
> https://www.thingiverse.com/thing:881568
>
>
> Alex Gibson
>
> admg consulting
>
> edumaker limited
>
> . Project management
> . Operations & Process improvement
> . 3D Printing
>
>
> -----Original Message-----
> From: Discuss [mailto:[hidden email]] On Behalf Of
> NateTG
> Sent: 20 February 2020 18:53
> To: [hidden email]
> Subject: Re: [OpenSCAD] Hypoid gear modelling - been done in OpenSCAD?
>
> I tried to generate hypoid gears years ago, but my gear theory was bad at
> the
> time.  Maybe I should take another crack at it.
>
>
>
>
> --
> Sent from: http://forum.openscad.org/
>
> _______________________________________________
> OpenSCAD mailing list
> [hidden email]
> http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
>
>

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