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Refurbishing Tools #4: My roubo rust remover electrolysis tank

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Blog entry by rodman40 posted 03-14-2013 09:12 PM 1503 reads 0 times favorited 10 comments Add to Favorites Watch
« Part 3: Hand saw sharpening jig. Part 4 of Refurbishing Tools series no next part

After trying different ways of rust removing from saws and wood planes, I decided try the electrolysis method, since some of the saws were to long for the tank I had for the rust removing process I said what the heck change could be good and so I started rounding up the materials to work with. I went to a local PVC pipe dealer and the 3 foot by 6 inch pipe and a end cap for about 24.00 dollars, one electro rod for about 6.95, got some Arm and Hammer Wash Soap, then wham bam I put it together. Started to use the process today so I can’t show you any results yet, will post results later. Here are some pictures of the present tank which I plan to change over to a 8 inch tank because one of my saws hangs up on the sides, not cool at all, but improvement is part of progress. Saw an idea for a tank with 8 electro’s which I plan to make in the future just for wood planes, will post when I get it done.

-- Rodman



10 comments so far

View Mip's profile

Mip

318 posts in 732 days


#1 posted 03-15-2013 04:44 AM

Bubble, bubble, toil and trouble. I used this method on my Total Shop table saw, and the process works great. I noticed you bolted the electrode right on the side of the PVC pipe; that’s a good idea so it won’t go swimming around the pipe later on. I might have to steal that idea.

View jlasersmith's profile

jlasersmith

45 posts in 806 days


#2 posted 03-15-2013 04:57 AM

I use this method and it works better than I thought it would. Super cheap and effective.
-Jeremy

-- I tell you, we are here on Earth to fart around, and don't let anybody tell you different. -Kurt Vonnegut

View JsBarrette's profile

JsBarrette

3 posts in 708 days


#3 posted 03-15-2013 08:03 PM

Is that an air pump on the side? Does this help with the process?

View rodman40's profile

rodman40

160 posts in 981 days


#4 posted 03-16-2013 02:02 AM

Yes that is an air pump, one of those fish tank pump, I added that to get the crud out quicker, seems to be working. Got the pump at Walmart. Thanks for the comments.

-- Rodman

View IrreverentJack's profile

IrreverentJack

724 posts in 1497 days


#5 posted 03-16-2013 02:33 AM

I just threw my set up together two days ago. Took out an old c clamp and a #5 Bailey this afternoon. It’s working great. Evapo-rust works good too but washing soda is a lot cheaper. -Jack

Rodman – I’m not getting any foam with mine. Bubbles but no foam or crud. -Jack

View rodman40's profile

rodman40

160 posts in 981 days


#6 posted 03-16-2013 08:52 PM

Jack you’re right about the washing soda being cheaper it also goes a long way. I made a new batch today and didn’t take pictures of the crud that flowed out top, i also added an extra electro to the tank. will post new pics of the results soon. Rodman

-- Rodman

View IrreverentJack's profile

IrreverentJack

724 posts in 1497 days


#7 posted 03-16-2013 09:42 PM

How many amps is your charger drawing. Initially mine went to around 6-8AMPS and now (with less rust?) it’s down to 2-3amps. -Jack

View rodman40's profile

rodman40

160 posts in 981 days


#8 posted 03-16-2013 11:27 PM

Jack, mine starts on 10 amps , one thing which I’m doing now that i added another electro is that I take out the electros and wire brush the crud off them, may want to try that. I been the shop all day putting back some saws I put through the process and it really shows up how pitted some of them are like the composite handle Disston / one side looks ok but the other side looks like hell. I took some pics of the crud pulling out the top when I run the air pump about every 2 hours for about 45 minutes each time.

-- Rodman

View Wirepusher's profile

Wirepusher

1 post in 225 days


#9 posted 04-08-2014 04:18 AM

Ok, this thread is a bit old, but I have a couple questions. What does the air pump do for the process? Does it matter at all what metal the electro rod is? Or is it just a place to deposit material? What do you treat the metal with once you have removed it from the alkaline solution? I have read about using vinegar… Thanks for any info.
Doug

View rodman40's profile

rodman40

160 posts in 981 days


#10 posted 05-02-2014 05:38 PM

Sorry for the long delay in answering, I read somewhere that a air pump would keep the solution stirred up, I used steel rods I had laying around, I just washed it off with Armand Hammer solution, the rods I wire brushed off.

-- Rodman

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