Elliptic Gears
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I was looking for a plugin, that helps generating elliptic gears. As long as I do standard gears, I am fine with the involute gear plugin. So I sliced two different gears and merged them (see image below). But is there a proper way to generate an elliptic gear?
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I'm going to guess that if the involute gear plugin does not support elliptic gears, then there probably is no plugin for it.
You could contact CADalog and see if they'll incorporate it though.
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there is link inside the text
Don't know if it's free and the export format -
Hi
@unknownuser said:
there is link inside the text
Don't know if it's free and the export formatI know this tool. It seems promising.
But the guy has not decided yet, how he wants to publish it. By now there is no export format.Regards
Kurt -
Component Stringer could help.
http://sketchucation.com/forums/viewtopic.php?f=79&t=48477&hilit=component+stringer#p435378
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@gilles said:
Component Stringer could help.
http://sketchucation.com/forums/viewtopic.php?f=79&t=48477&hilit=component+stringer#p435378
Component stringer AND Ddider's ellipse plugin: http://rhin.crai.archi.fr/rld/plugin_details.php?id=124
as it makes ellipses with equal segments. -
Hi enhydra, hi folks.
In your image, you show two small circular gears meshed with a larger elliptical one.
For this to work, you need a way to accomodate changes in axis distance.
Normally, elliptical gears are meshed with other elliptical gears.
See this web page for some formula:
You will see that defining the exact shape for the teeth is not so simple.
Just ideas.
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Even not elliptical gears are no so simple too
38 parameters!
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Hi Pilou, hi folks.
You are right. Imagine with square gears. Yes, they exist.
See this page:
http://en.wikipedia.org/wiki/Non-circular_gear
And this one for even more strange looking shapes for gears. Look for the fish shaped one at mid length. Really funny.
http://www.youtube.com/watch?v=WYcqJ5HdxA4
Just ideas.
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@gilles said:
Component Stringer could help.
http://sketchucation.com/forums/viewtopic.php?f=79&t=48477&hilit=component+stringer#p435378Thanks for replying
@gilles & by Gaieus: I will take a look at these two plugins. Hope they do the job.
@Jean Lemire:
@unknownuser said:
you need a way to accomodate changes in axis distance
Yes, I am aware of that.
Take a look at http://skfb.ly/5k3ecba. A rubber band will press the smaller gear towards the elliptic gear.
You get the point: Dealing with gears is quite challenging. But@Pilou
I am not bothered by all of the 38 parameters. -
Terrific gears indeed!
And crazzy wood clocks
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@unknownuser said:
Terrific gears indeed!
And crazzy wood clockshttp://www.youtube.com/watch?v=GO7i8ol0n9E
I wish I had a laser cutter in the basement.
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Kind of reminds me of the intro to the old Swedish TV show Tekniskt Magasin.
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11mb and v6
https://dl.dropbox.com/u/25114184/Clark_67.skpedit forgot to add superelipse plugin may help http://sketchucation.com/forums/viewtopic.php?t=29061
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Unfortunately the plugin "Compnent Stringer" won't work for this kind of problem. Especially if you are interessted in a proper solution. For makers and tinkerers the plugin and also my way are good enough.
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