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Unread 22-11-2013, 10:04
sanelss sanelss is offline
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Re: Prototype transmission for potential use this year

Quote:
Originally Posted by yash101 View Post
Saneless,
This is a really great design. Is your robot an omni-drive robot? I showed this to my team captain and he seems quite interested! Also, I do not know if this has been discussed yet, but since the worm can turn the gear but the gear can't turn the worm, wouldn't the momentum of the robot cause the gears to strip? I do not see the point of worm gears because one sudden stop could possibly strip the gear!

I think that the internal braking in motors should be enough. With that high of a gear ratio, that momentum is converted into electricity and discarded as heat, casuing no damage to any physical component!
What do you mean by omni-drive? I think the answer is yes. The sudden stop I don't really think will be an issue, yes the wheels will lock up but worse case the energy will go into the robot frame and might tip the robot slightly or make the wheels just skip over carpeting before anything bad happens. It takes considerable force to strip these teeth but we will see how much of an issue it becomes. We already have several contingency plans in case it becomes an issue(such as a rubber interface as a clutch system that would slip on high force changes).

Last edited by sanelss : 22-11-2013 at 10:07.
 


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