Local sources for T-slot hardware?

[Pi Robot]

Are there any local sources for T-slot extruded aluminum pieces and
fasteners? By local I mean within about 15 miles of Palo Alto? I
checked the websites for Home Depot, Ace Hardware and OSH but struck
out. Alternatively, where do people go for an online source?

Thanks!
patrick

[Preston Monroe]

I just did a pure simple google search and found this.

http://www.faztek.net/

It's across a bridge but only about 17 miles.

Sent from my iPhone

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[Art Botterell]

Try the Rockler or Woodcraft stores.

- Art

[Austin Hendrix]

I've seen 80-20 at HSC (http://halted.com/ ) in Santa Clara at times. Probably worth a look.

-Austin

[Michael Ferguson]

If you're ordering more than one or two pieces, 8020 inc operates an Ebay store.

[Tim Craig]

80/20 has 3 distributors in the bay area, Livermore, Pleasanton, and
South San Francisco.

http://www.8020.net/PostalLookup.asp

And as previously mentioned, Halted (HSC) had some the last time I was
over there. I think they were asking $4 a foot. The last time I bought
80/20 was in 2004 and I think I got it through the distrubutor in
Livermore. I remember a flock of wild turkeys in the parking lot when I
picked it up. I only used the 80/20 1" sections once. After that, we
went to 20 mm to save weight.

Tim

[Pi Robot]

Thanks for all the responses. Looks like http://www.faztek.net also
has some cool fasteners and bearings for linear motion should the time
come to make the arm and/or head mount motorized. (Though it wouldn't
be cheap...)

--patrick

[James M.(Jim) Geidl]

I'm sure you guys are all aware of this but I thought I would mention
Microrax for those of you building something a little lighter weight.
http://www.lynxmotion.com/c-144-microrax.aspx

James "Jim" M. Geidl, K6JMG
No trees were harmed in the sending of this message; however, a large number
of electrons were terribly inconvenienced.

[Walt Perko]

Hi,�

�

Some of you might be interested in this project;

http://www.makerslide.com/

The idea is a "standard" rail set for all sorts of robotics ... Building machines that do work.�



=========================================================================================
C U L8r, �|� Walt Perko �|� "Kids ... teach them the good stuff, and they still learn the bad stuff."

http://www.brainless.org/

"The World Needs a New Economic Model"

[Art Botterell]

Great idea, but one wonders if it mightn't be simpler to use a wheel with a square-ish indent that could ride along the flanges of the 80/20 without the additional plate? Surely they must have tried that?

- Art

[Walt Perko]

Hi,

I think the idea is that the rails are cheap to make/sell while all the other hardware is standard/common off the shelf parts.� Making that little add-on is easy ... making all new other hardware is difficult and expensive ... but that's just what I garnered from all the discussions on the project.�

OTOH, since there's a nice "V" in the middle of all these bars it seems a large wheel with a "V" edge would just track too ??? just a guess.

=========================================================================================
C U L8r, �|� Walt Perko �|� "Kids ... teach them the good stuff, and they still learn the bad stuff."

http://www.brainless.org/

"The World Needs a New Economic Model"

[Alan]

Check at Halted on Ryder St. Sunnyvale. They had some surplus 1" 80/20
aluminum extrusion stock.

Alan KM6VV

> -----Original Message-----
> On Behalf Of Pi Robot

[Pi Robot]

Interesting. I wonder if this size T-slot would flex under the weight
of a Kinect at a height of a foot or two above the anchor point?
Especially given the stop and go motion of the robot underneath it?

--patrick

On Dec 13, 8:13 am, "James M.\(Jim\) Geidl" <jge...@sbcglobal.net>
wrote:

[Michael Ferguson]

I think you would definitely have to build a tripod of sorts -- it flexes quite a bit over runs of >1ft.

-Fergs

[Patrick Goebel]

Yeah, that's what I suspected. So I'll stick with "standard" size
T-slot for now.

[Patrick Goebel]

Hey Fergs,

What style of T-slot extrusion are you using on Maxwell? Heavy or
light? Series 15, 10 or 40?

--patrick

[Michael Ferguson]

I'm using the 1010S series for extrusion. Honestly, the smaller 20mm stuff would be sufficient, but I wanted there to be a bit of (visual) mass there.

-Fergs

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[Patrick Goebel]

OK cool. I'll give the 20mm a try, especially as I won't be going much
beyond a foot or two.

[James M.(Jim) Geidl]

Patrick,

I have some and I doubt very much that it would sag.

Jim

James "Jim" M. Geidl, K6JMG
No trees were harmed in the sending of this message; however, a large number
of electrons were terribly inconvenienced.

[Wayne C. Gramlich]

I agree with Jim, the beam itself is unlikely to sag much.
However, the ABS base that it is attached to is not very rigid
and will flex unless some sort of frame or tripod is used to
keep the vertical T-slot rigid with respect to the rest of
the robot. This is why I have a frame supporting my plastic
pieces. I have a 6' beam sticking upwards on my robot and
it is attached to the frame.

-Wayne