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-   -   Custom Wheels (http://www.chiefdelphi.com/forums/showthread.php?t=129273)

DjParaNoize- 02-05-2014 00:57
Custom Wheels
 
Alrighty CD Community, does your team have/use custom wheels? If so; What is your process in designing/making them?

Mike Marandola 02-05-2014 01:00
Re: Custom Wheels
 
Here is a peek at what Team 316 will most likely be using next year.



They are cast urethane plastic.

DjParaNoize- 02-05-2014 01:45
Re: Custom Wheels
 
Do you have any issues with the material being worn out?

Mike Marandola 02-05-2014 02:17
Re: Custom Wheels
 
Quote:
Originally Posted by DjParaNoize- (Post 1381782)
Do you have any issues with the material being worn out?
The tread or the plastic?

The tread, yes. Plastic, no.

Chowmaster4695 02-05-2014 03:29
Re: Custom Wheels
 
Quote:
Originally Posted by Mike Marandola (Post 1381765)
Here is a peek at what Team 316 will most likely be using next year.



They are cast urethane plastic.
How did you come up with the design for the wheel and do you have the numbers that would show how durable it is?

Mike Marandola 02-05-2014 03:47
Re: Custom Wheels
 
Quote:
Originally Posted by Chowmaster4695 (Post 1381797)
How did you come up with the design for the wheel and do you have the numbers that would show how durable it is?
For the design, I just used the same outer diameter as the AM performance wheels and the bore will snuggly fit an AM hex hub. The spokes are just a simple pattern I drew up.

Not currently. I am trying to learn to use the stress analysis tool in Inventor. I made a set of urethane wheels that are considerably weaker due to air bubbles and they held up fine in a few off season events.

avanboekel 02-05-2014 12:42
Quote:
Originally Posted by Mike Marandola (Post 1381801)
For the design, I just used the same outer diameter as the AM performance wheels and the bore will snuggly fit an AM hex hub. The spokes are just a simple pattern I drew up.

Not currently. I am trying to learn to use the stress analysis tool in Inventor. I made a set of urethane wheels that are considerably weaker due to air bubbles and they held up fine in a few off season events.
Any details on how these were made? I assume you had to create some sort of mold, but how was this done?

JustPlyZ 02-05-2014 12:51
Re: Custom Wheels
 
I have been seeing a lot of different types of traction this season too.. Which surprises me, then again it is my first year. But I would like to know what other tractions that are available / teams used!

colin340 02-05-2014 13:12
Re: Custom Wheels
 
Justin and I have been toying with carbon wheels (145g) including tread material on a 4 inch wheel.

its cool but soooo hard to do

Jamie Kalb 02-05-2014 13:22
Re: Custom Wheels
 
Quote:
Originally Posted by avanboekel (Post 1381934)
Any details on how these were made? I assume you had to create some sort of mold, but how was this done?
Can't speak for 316, but I expect it's very similar to this.

Mike Marandola 02-05-2014 13:43
Re: Custom Wheels
 
Quote:
Originally Posted by Jamie Kalb (Post 1381950)
Can't speak for 316, but I expect it's very similar to this.
Yes basically, but we are using a two part mold. I will explain in a bit more detail when I get home.

Dunngeon 02-05-2014 13:53
Re: Custom Wheels
 
We built these wheels after we got tired of re-treading our Vexpro wheels.

The idea is that they split in half off the axel, so the axel doesn't need to be pulled out (We use a 2x1 Aluminum extrusion on both sides of the wheel axel) Then we can easily drill out the pop-rivets and replace the tread. As of now, we have had no issues with the tread bubbling at all.

The hex was broached after this picture was taken, we built 4 of them in house (3 Axis CNC), then a sponsor built the other 4 (5 Axis CNC).

And all the Conversational code to build these wheels was hand written, which is pretty cool!

BBray_T1296 02-05-2014 14:12
Re: Custom Wheels
 
Quote:
Originally Posted by Dunngeon (Post 1381972)
We built these wheels after we got tired of re-treading our Vexpro wheels.

The idea is that they split in half off the axel, so the axel doesn't need to be pulled out (We use a 2x1 Aluminum extrusion on both sides of the wheel axel) Then we can easily drill out the pop-rivets and replace the tread. As of now, we have had no issues with the tread bubbling at all.

The hex was broached after this picture was taken, we built 4 of them in house (3 Axis CNC), then a sponsor built the other 4 (5 Axis CNC).

And all the Conversational code to build these wheels was hand written, which is pretty cool!
snip
Do you just tread each half and attach them with 2 seams in the tread? Pretty clever for those -hard to replace drivetrains

asid61 02-05-2014 17:45
Re: Custom Wheels
 
Quote:
Originally Posted by Dunngeon (Post 1381972)
We built these wheels after we got tired of re-treading our Vexpro wheels.

The idea is that they split in half off the axel, so the axel doesn't need to be pulled out (We use a 2x1 Aluminum extrusion on both sides of the wheel axel) Then we can easily drill out the pop-rivets and replace the tread. As of now, we have had no issues with the tread bubbling at all.

The hex was broached after this picture was taken, we built 4 of them in house (3 Axis CNC), then a sponsor built the other 4 (5 Axis CNC).

And all the Conversational code to build these wheels was hand written, which is pretty cool!
Did you have any issues with the flat on the top/ bottom of wheels? How exactly do you replace the tread? Is this on a live axle or dead axle?

Wicked cool design BTW.

EDIT: didn't read whole post. Dead axle then.

DjParaNoize- 03-05-2014 01:00
Re: Custom Wheels
 
Has anyone tried using another material besides wedgetop or roughtop?


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