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Posted by DOC on March 20, 2005, 2:28 pm
There are a lot of nice things about it as indicated by the
previous posters.
But, because of the expanded foam core, it's not really rugged and it
doesn't work too well if you want to secure fasteners directly into the
material.
DOC
> ENaasz wrote:
> > Has anyone used Sintra, Trovacil to make there robot chassis? The
material
> > is an expaned foam that comes in various metric thickness and is easy to
> > cut, glue, tap, and bend. Any draw backs or problems with static?
> > Thanks,
> > ENaasz
> I use Sintra for all my robots lately. Very easy to work with (drills
> easily, cuts best with a router) and no static problems. It is both
> strong and light. Sintra also paints quite easily. It can also be formed
> using a heat gun, and cemented with pvc cement available from any
> hardware store. 1/4" Sintra is widely available and cheap.
> On largish robots you may find that Sintra, like most plastics, may sag
> under the weight of batteries or other heavy items, in which case you
> will either need to use a very thick piece (which can be expensive) or
> reinforce it with plywood or aluminum framing. For smaller robots, you
> should not see a problem. Definitely one of my favorite materials.
> --
> (Replies: cleanse my address of the Mark of the Beast!)
> Teleoperate a roving mobile robot from the web:
> http://www.swampgas.com/robotics/rover.html
> Coauthor with Dennis Clark of "Building Robot Drive Trains".
> Buy several copies today!
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> is an expaned foam that comes in various metric thickness and is easy to
> cut, glue, tap, and bend. Any draw backs or problems with static?
> Thanks,
> ENaasz
>