Chief Delphi - pic: Fun With Extrusion!

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- Extra Discussion (http://www.chiefdelphi.com/forums/forumdisplay.php?f=68)

- - pic: Fun With Extrusion! (http://www.chiefdelphi.com/forums/showthread.php?t=44732)

DonRotolo

25-02-2006 21:58

Re: pic: Fun With Extrusion!

Quote:

Originally Posted by ewankoff

This was also 1676's first year using the extrusion.

Being on Mechanical and working with stuff i can say that this stuff is very easy to work with.

The only thing we had a problem with was with one of our drill bits for the universal connectors. The vice we had it in span around and broke the small part off. That was the last time we forgot the lube. :(

Good thing it was a mentor who broke that bit and not some student...;-)

Yes, and we ALL learned something that day.

Don

Cory	25-02-2006 22:09

Re: pic: Fun With Extrusion!

Quote:

Originally Posted by Bill_Hancoc

im still having trouble visilizing this (prolly cause it late at night since ive been up since early)but does somebody have a pic of this or a paint drawing?

http://team100.org/about/images/2003-robot-13.jpg

The pillow blocks on the wheel shown have bolts going through them vertically, which screw into T-nuts in the slot in the chassis. By sliding the entire wheel assembly away from the center of the robot, the chain can be tensioned without a separate device.

Nuttyman54

25-02-2006 22:49

Re: pic: Fun With Extrusion!

Quote:

Originally Posted by Bill_Hancoc

im still having trouble visilizing this (prolly cause it late at night since ive been up since early)but does somebody have a pic of this or a paint drawing?

this is the best pic we've got, but you can see the wheels are mounted on custom axel mounts. Later on the sprockets and chain were put on the wheels. The mounts can slide in the extrusion, and by attaching the chain and then sliding the mounts we can tighten or loosen it as we please.

skimoose

26-02-2006 08:06

Re: pic: Fun With Extrusion!

Quote:

Originally Posted by JVN

One of my least favorite robotics related memories:
Tapping the ends of 15ish 80-20 pieces for our 2004 robot with some poor student (he was being punished, and I was setting an example for the other students).

What poor soul had to do all these?

-JV

One of our VERY patient mentors tapped all those pieces, about 20 if I remember correctly.

The sad part is we didn't end up using them on the robot after all that work! :ahh:

phrontist

26-02-2006 10:06

Re: pic: Fun With Extrusion!

Do you have a higher-res version of this? I'd love it as a background...

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