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By: OWilliamson
New: 04-08-2013 18:10
Updated: 04-08-2013 18:10
Views: 1714 times
*Note to Self*
Letting the frame of your robot rust is a really bad idea. Next year use aluminum (need to anyways) or get it painted sooner. Getting rid of all the rust took way too much time...
Discussion
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05-08-2013 11:28
JamesCH95
Re: pic: Don't Let the Frame Rust...
For future reference on rust removal: Evapo Rust is magical. It works, it is non-toxic, it doesn't make dust/fumes, and it's widely available.
http://www.evaporust.com/
On a side note, how much did that weigh?
05-08-2013 11:41
techhelpbb
Re: pic: Don't Let the Frame Rust...
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Originally Posted by JamesCH95
For future reference on rust removal: Evapo Rust is magical. It works, it is non-toxic, it doesn't make dust/fumes, and it's widely available.
http://www.evaporust.com/ On a side note, how much did that weigh? |
20 gallons x $18 a gallon = quite a lot of concentrated potato juice (look up oxalic acid)
Just be careful not to put things with black oxide in it (it will remove it).
Dilluted 'wood bleach' also works but handle that stuff with care (unlike EvapoRust it is much more caustic).
Also you might consider sand blasting or using an 'air eraser' on it.
Planning on powder coating it?
05-08-2013 12:17
OWilliamson
Re: pic: Don't Let the Frame Rust...
Thanks for the suggestions, I'll keep it in mind in case we ever have this issue again.
It ended up weighing about 32 pounds, it was actually a little lighter than we were expecting. It was all made out of steel tubing and sheet metal, because it was easier to weld together and we had access to a bunch of it.
And yes we are planning on powdercoating it, we figure if we do that and add some LEDs our bot will look a lot prettier for demos 
06-08-2013 16:43
JamesCH95
Re: pic: Don't Let the Frame Rust...
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Originally Posted by techhelpbb
I second that 100% though it's kind of expensive considering I have about 20 gallons laying around at any one time.
20 gallons x $18 a gallon = quite a lot of concentrated potato juice (look up oxalic acid) Just be careful not to put things with black oxide in it (it will remove it). Dilluted 'wood bleach' also works but handle that stuff with care (unlike EvapoRust it is much more caustic). Also you might consider sand blasting or using an 'air eraser' on it. Planning on powder coating it? |
06-08-2013 19:59
sanddrag
Re: pic: Don't Let the Frame Rust...
You can also use vinegar, or sodium carbonate and a power supply. Did a whole lathe that way.
07-08-2013 14:41
Mk.32
Re: pic: Don't Let the Frame Rust...
Sand blaster makes quick work on things like that heh.
10-08-2013 23:27
Camren
Re: pic: Don't Let the Frame Rust...
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Originally Posted by Mk.32
Sand blaster makes quick work on things like that heh.
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