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Unread 04-02-2009, 21:35
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Re: pic: 612 Teaser

We only have front wheel steering on our robot. There will be a lazy susan which attaches this piece to the frame. Then we have a second motor controlling the steering. We'll be posting our finished frame in a couple days which will explain more about how this piece fits in.

For the belts we are using Neoprene belts which are fiberglass enforced. They have been doing the job for us for the past 3 years.

Last edited by nahstobor : 04-02-2009 at 21:47.
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Unread 04-02-2009, 21:36
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Re: pic: 612 Teaser

Yes there is a separate pulley attached to the wheel. Because of the size of the pulley we are nearing about an 1/8th of an inch off the floor .
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Unread 05-02-2009, 06:27
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Re: pic: 612 Teaser

It looks like a loose wrap off of the CIM, you may want to tighten the belt a little more to prevent slippage.
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Unread 05-02-2009, 09:14
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Re: pic: 612 Teaser

I always look forward to seeing Chantilly's next belt drive design. Looks good guys! Don't forget the retaining clip on the outside of the pulley on the CIM shaft.

It looks like you guys are as far along as we are, and aren't doing the typical FRC drive train either. Will we get to see you at the DC scrimmage?
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Unread 05-02-2009, 10:59
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Re: pic: 612 Teaser

We will be attending the DC scrimmage during the afternoon session.
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Unread 05-02-2009, 11:04
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Re: pic: 612 Teaser

Quote:
Originally Posted by Jimmy Nichols View Post
It looks like a loose wrap off of the CIM, you may want to tighten the belt a little more to prevent slippage.
Looks like the bolt above the wheel, the one on the right side, sits in a slot, and can be used to tension the belt.

Very nice design! thanks for sharing
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Unread 05-02-2009, 11:07
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Re: pic: 612 Teaser

wont the belt grinding on the pulley create a lot of electrical noise and mess with your wheel sensors?
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Unread 05-02-2009, 11:15
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Re: pic: 612 Teaser

Quote:
Originally Posted by spc295 View Post
wont the belt grinding on the pulley create a lot of electrical noise and mess with your wheel sensors?
Judging by the picture, it seems that they are using dead axles (wheels rotating on what appear to be bolts, likely with some sort of spacer over them), so they probably don't have any sensors mounted to the wheels themselves.

Nor do I think that the belt would create sufficient amounts of noise to create any significant interference with sensors (especially a toothed belt).
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