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CVT gearbox: Two cones and roller

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Author: Mibars

Group: Default

Filesize: 128.57 kB

Date added: 2011-08-09

Rating: 5

Downloads: 819

Views: 1294

Comments: 4

Ratings: 1

Times favored: 0

Made with: Algodoo v1.8.5

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So this is one of the concepts for a CVT gearbox. This two green "cones" have diffrent diameter on it's ends and constant gap between them. They are connected by a roller that transfer power to the output cone. Roller "picks" surface speed from input cone (which is angular velocity * radius of input cone) and transfer it to output cone (again angular velocity * radius). Since radius is diffrent angular velocity changes.

Unfortunatley it cannot transfer much torque, but it's fun to watch:)
Last edited at 2011/08/09 11:42:04 by Mibars
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Kilinich
2011/08/09 12:07:55
Good one!
Same concept was one of my first scene 8|
http://www.algodoo.com/algobox/details.php?id=16531
It works in Algodoo but need to enter sim.cables = false in console
Last edited at 2011/08/09 12:08:18 by Kilinich
Mibars
2011/08/09 13:31:37
Haha It came to my head yesterday when I was thinking how to simulate "cones" in Phun:)

I made many gearboxes (most of them are barely working), but never this type like you did 2 and a half years ago:)

I've done some calculations and this type of gearbox is useless in real-life applications, since it's friction based and has very low contact area surface forces would destroy it in minutes (like an overloaded bearing...) It was thousands of N on two rollers just to transfer 100Nm from typical small car engine...

I have some other ideas for CVT, or rather torque converter using impulses to preload springs, that's next thing I want to do, but now I'm wasting my time instead of learning math for exams, so maybe tommorow:)
Christer
2011/08/09 16:51:44
Great CVT! Would love to see more like this from you:D
Konstantynovelysei
2023/07/20 16:32:12
Nice job 👍🏻