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 If there's one thing I've learned, it's that the robot is never truly finished. - Joseph Smith [more] |
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By: Travis Covington
New: 23-01-2007 23:39
Updated: 23-01-2007 23:39
Views: 1371 times
No hints, this one is easy.
Discussion
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23-01-2007 23:59
Lil' Lavery
Re: pic: 968 - A few finished parts!
Live, hex, drive axles for cantilevered wheels.
Or batons 
24-01-2007 00:05
Travis Covington
Re: pic: 968 - A few finished parts!
I knew this one was too easy!
No one has figured out the black material yet, though...
24-01-2007 00:06
Jeff K.
Re: pic: 968 - A few finished parts!
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Originally Posted by Travis Covington
No one has figured out the black material yet, though...
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Black lexan or abs for electronics?
24-01-2007 00:27
Travis Covington
Re: pic: 968 - A few finished parts!
Check the other thread, too... it is none of the above. Others mentioned abs and lexan already, sorry Jeff.
24-01-2007 00:32
Gabe
Re: pic: 968 - A few finished parts!
Carbon-fiber reinforced nylon. Or maybe just carbon fiber or just nylon.
24-01-2007 00:50
Jon Jack
Re: pic: 968 - A few finished parts!
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Originally Posted by Travis Covington
I knew this one was too easy!
No one has figured out the black material yet, though... |
24-01-2007 01:00
Travis Covington
Re: pic: 968 - A few finished parts!
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Originally Posted by jjack
Side plates for the transmission?
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24-01-2007 01:01
Re: pic: 968 - A few finished parts!
My guess on the black material is powder coated metal for your ramp. Either that or you guys got a new cart.
Kudos on the Shmexy parts, as always.
24-01-2007 01:17
Holtzman
Re: pic: 968 - A few finished parts!
Aluminum/Thermoplastic Composite
3 for 3?
24-01-2007 01:17
Travis Covington
Re: pic: 968 - A few finished parts!
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Originally Posted by Holtzman
Aluminum/Thermoplastic Composite
3 for 3? |
24-01-2007 01:41
Gabe
Re: pic: 968 - A few finished parts!
That's a nice big sheet of Delrin you have there. 
24-01-2007 02:43
Guy Chriqui
Re: pic: 968 - A few finished parts!
Travis, I do enjoy the shiny factor all your parts have every year but when are you going to get some hard anodizing done? Black is the new Chrome....
24-01-2007 02:55
Gabe
Re: pic: 968 - A few finished parts!
Have you seen the rest of 968's robots? Some of the most beautiful robots ever.
24-01-2007 02:59
Madison
Re: pic: 968 - A few finished parts!
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Originally Posted by Travis Covington
Yup! Delrin it is!
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We've made liberal use of delrin in the past because the lab we work in uses it often for prototyping mechanical systems in small devices -- but we've never had to pay for it.
24-01-2007 03:07
Kirk
Re: pic: 968 - A few finished parts!
Delrin is $2 cheaper than aluminum for a 12" square piece.
24-01-2007 03:08
Travis Covington
Re: pic: 968 - A few finished parts!
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Originally Posted by M. Krass
You're making transmission plates from delrin? Y'all have money to burn.
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As far as the 7075 and 7068 go, we are doing some sort of surface treatment. Which one has yet to be determined. Hard anodizing wouldn't work for us though, as it would add thickness to the gear teeth... no fun. As I mentioned earlier, 7068 is already some pretty hard stuff, so we'll see.
24-01-2007 03:15
Madison
Re: pic: 968 - A few finished parts!
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Originally Posted by Travis Covington
Hah! No, we are strapped for cash like most teams... the delrin is only costing us $20 a robot from mcmaster. It's not that expensive. The same sized piece of 6061 aluminum costs $21. We are saving money!
As far as the 7075 and 7068 go, we are doing some sort of surface treatment. Which one has yet to be determined. Hard anodizing wouldn't work for us though, as it would add thickness to the gear teeth... no fun. As I mentioned earlier, 7068 is already some pretty hard stuff, so we'll see. |
We like it because we can laser cut it quickly and precisely, so it's a good way of making intricate, moving parts. I don't think I'd have ever considered using it for a transmission plate, though, so I'm really interested in seeing how it works for you.
24-01-2007 04:02
Tom Bottiglieri
Re: pic: 968 - A few finished parts!
I hope the Delrin doesn't get sloppy over time..
Either way, those are some beautiful parts
24-01-2007 08:02
Peter Matteson
Re: pic: 968 - A few finished parts!
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Originally Posted by Tom Bottiglieri
I hope the Delrin doesn't get sloppy over time..
Either way, those are some beautiful parts |
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