Society of Robots - Robot Forum

Mechanics and Construction => Mechanics and Construction => Topic started by: jamort on November 26, 2008, 08:58:57 PM

Title: need info on building material called sentra
Post by: jamort on November 26, 2008, 08:58:57 PM: I found this building material at solarbotics and was wondering if any body has ever used it and how strong it is
Title: Re: need info on building material called sentra
Post by: Trumpkin on November 26, 2008, 10:23:21 PM: It's what I'm going to be using for my robot! This robot is made out of expanded pvc (sintra) http://letsmakerobots.com/node/2938
Title: Re: need info on building material called sentra
Post by: ArcMan on November 27, 2008, 09:09:06 AM: The 6mm expanded PVC is quite rigid. Here's a shot of a high-wire challenge robot we made. The bottom bot uses it. It's easy to cut, machine, drill & tap. I've also used aluminum threaded inserts with great success.

(http://www.bennetwilliams.com/img/robots/mipster2/P1000467.JPG)

http://www.bennetwilliams.com/img/robots/mipster2/P1000467.JPG (http://www.bennetwilliams.com/img/robots/mipster2/P1000467.JPG)
Title: Re: need info on building material called sentra
Post by: jamort on November 27, 2008, 07:53:14 PM: I think i'm going to go with the sintra because i don't have access to anything but a drill and soldering equipment right now..... is there any place were i can get like a huge sheet or roll of it....
Title: Re: need info on building material called sentra
Post by: ArcMan on November 27, 2008, 08:05:38 PM: You can get big sheets here:

http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=115&product%5Fid=10432 (http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=115&product%5Fid=10432)
Title: Re: need info on building material called sentra
Post by: jamort on November 27, 2008, 08:35:52 PM: thanks I'm going to write that down.... a whole lot cheaper than were i found the other batches they wanted that for 8' x 12' and only 3 mm thick