Robot base construction techniques?

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Subject Author Date
Robot base construction techniques? Chris Alas 09-13-2005
Posted by Chris Alas on September 13, 2005, 5:28 pm
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Hi all,

Just purchased some expanded pvc for building my robot's base. I will be
using a treaded design, utilizing 2 sets of the Tamiya tank tread kit (I
have the nuts and bolts instead of the included hardware for mounting). Just
having a hard time figuring out how to get the layout in my head onto the
pvc sheet. I was thinking using AutoCAD or another similar software to
design the layout, then print and transfer to the pvc? Since doing things
just by the eye will probably end up giving me a base with uneven angles
everywhere :). Any suggestions?


Sincerely,

Chris Alas



Posted by Padu on September 13, 2005, 6:28 pm
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"Chris Alas"
> Hi all,
>
> Just purchased some expanded pvc for building my robot's base. I will be
> using a treaded design, utilizing 2 sets of the Tamiya tank tread kit (I
> have the nuts and bolts instead of the included hardware for mounting).
> Just
> having a hard time figuring out how to get the layout in my head onto the
> pvc sheet. I was thinking using AutoCAD or another similar software to
> design the layout, then print and transfer to the pvc? Since doing things
> just by the eye will probably end up giving me a base with uneven angles
> everywhere :). Any suggestions?
>
>
> Sincerely,
>
> Chris Alas


I just went through the exact same process not so long ago.

First thing I did was to dimension my base drawing to scale all the
components I foresee placing on the board. I've used CorelDraw to do that
because it is very accurate and easy to work with (at least for me). Some
folks prefer Adobe Illustrator but I think CorelDraw is more technical.
See the example:
http://www.merlotti.com/EngHome/cpu%20component%20placement%20revB.jpg

Then after making adjustments, I drew the schematics of the platform,
including drilling information.
http://www.merlotti.com/EngHome/cpu%20base%20-%20platform%20schematics%20-%20revC.jpg

I'm a huge fan of documentation. It not only gives it a professional look,
but also help later if you have to re-design or replace a damaged component.

Just my 2 cents


Padu



Posted by Bennet Williams on September 13, 2005, 8:36 pm
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On Tue, 13 Sep 2005 17:28:07 -0400, "Chris Alas"

>Hi all,
>
>Just purchased some expanded pvc for building my robot's base. I will be
>using a treaded design, utilizing 2 sets of the Tamiya tank tread kit (I
>have the nuts and bolts instead of the included hardware for mounting). Just
>having a hard time figuring out how to get the layout in my head onto the
>pvc sheet. I was thinking using AutoCAD or another similar software to
>design the layout, then print and transfer to the pvc? Since doing things
>just by the eye will probably end up giving me a base with uneven angles
>everywhere :). Any suggestions?
>
>
>Sincerely,
>
>Chris Alas
>

I don't think you need to mark holes "by eye". Go to Home Depot and
buy yourself a small combination square and a fine gradation steel
scale. I think you'll find the layout goes pretty quickly with just
those simple tools.

BRW


Posted by penguinista on September 14, 2005, 2:09 pm
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Bennet Williams wrote:
> On Tue, 13 Sep 2005 17:28:07 -0400, "Chris Alas"
>
>
>>Hi all,
>>
>>Just purchased some expanded pvc for building my robot's base. I will be
>>using a treaded design, utilizing 2 sets of the Tamiya tank tread kit (I
>>have the nuts and bolts instead of the included hardware for mounting). Just
>>having a hard time figuring out how to get the layout in my head onto the
>>pvc sheet. I was thinking using AutoCAD or another similar software to
>>design the layout, then print and transfer to the pvc? Since doing things
>>just by the eye will probably end up giving me a base with uneven angles
>>everywhere :). Any suggestions?
>>
>>
>>Sincerely,
>>
>>Chris Alas
>>
>
>
> I don't think you need to mark holes "by eye". Go to Home Depot and
> buy yourself a small combination square and a fine gradation steel
> scale. I think you'll find the layout goes pretty quickly with just
> those simple tools.
>
> BRW
>
Sometimes basic manual drafting skills come in very handy.

Posted by Wayne Lundberg on September 15, 2005, 3:01 pm
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snip

> Sometimes basic manual drafting skills come in very handy.

snip

Yes, but where do you get a T square, drafting table, iso drawing paper,
compass, erraser, geometric templates, drafting paper.... etc.

Just kidding.



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