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#1 |
Registered User
Join Date: Aug 2008
Location: London / Canada
Posts: 781
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Amiga 2000 case rust fix
A friend gave me an Amiga 2000 case, which I needed, but unfortunately it had quite a bit of rust on it.
I submerged part of the case in vinegar with some salt, and after two days you can see the result. I had to do some scrubbing to get all the rust off, but overall I am happy with the result! |
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#2 | |
It's coming back!
Join Date: Jul 2018
Location: comp.sys.amiga
Posts: 762
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Quote:
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#3 |
Registered User
Join Date: Feb 2012
Location: United Kingdom
Posts: 3,228
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Nicely done! I should post my revamp of very rusted floppy disk drive. I let it soak in white vinegar and then neutralised with bicarbonate.
It did require some scrubbing but I wish I had a dremel tool or something as it really hurt the precious fingers lol. |
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#4 |
Registered User
Join Date: Aug 2008
Location: London / Canada
Posts: 781
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Yeah, amazing what vinegar can do...
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#5 |
Registered User
Join Date: Sep 2009
Location: Norway
Posts: 1,725
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Really nice outcome!
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#6 |
Registered User
Join Date: Aug 2008
Location: London / Canada
Posts: 781
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Guess what, after 1 year most of the rust has returned. Any advice on what to coat the metal with to keep the rust from coming back?
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#7 |
Registered User
Join Date: Nov 2014
Location: NSW/Australia
Posts: 462
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Anti rust primer and a metallic paint - it won't look original but will look much better. Only other option would be sanding right back and electroplating
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#8 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 44
Posts: 9,964
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If you want it to look original, you need to do yellow passivation to it (a kind of zinc plating) after all of the rust has been removed.
The drive tray wasn't yellow to begin with, perhaps it was not plated in any way, or they used hot zinc or something like that. You should be able to find one within reasonable distance, larger towns or cities should have someone who does this as a service. I don't recommend DIY here, unless you plan in going into the plating business. |
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#9 |
Alien Breeder
Join Date: Dec 2007
Location: Szigetszentmiklos / Hungary
Age: 47
Posts: 1,117
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Yepp, zinc plating with yellow finish does the job. And if there is well set pools for degreasing and cleaning, that also can treat the thin rust really well. I did some parts this way and the result was always satisfying.
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#10 |
Registered User
Join Date: May 2021
Location: ZZ9 Plural Z Alpha
Posts: 124
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If you are going to get it plated, you would be wise to strip the old plating first, build up in holes, threads could give you grief, may not take too well on the old plating either. Needs to be nice and clean as well otherwise you can end up with a porous finish and rust again.
If it can't be seen, red (lead) oxide paint would be your best bet.. |
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#11 |
Junior Member
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I need to get on top of some Amiga 4000D machines.
One is NASTY and very rusty! I wanted to get it electroplated in zinc and have the top case painted. Something that I would love to get near is one of those laser rust remover machines... oh that would be so satisfying! seeing years of rust just vanish lol. Other options are Evaporust but you would need a few 5gallon containers to submerge everything. Or what was suggested already, vinegar and salt! Last edited by ElectroBlaster; 09 June 2024 at 15:02. |
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#12 |
Registered User
Join Date: May 2021
Location: ZZ9 Plural Z Alpha
Posts: 124
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To be fair any half decent electroplating shop should have a nitric acid tank for surface preparation....
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#13 |
Registered User
Join Date: May 2022
Location: Adelaide, South Australia, Australia
Posts: 209
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I had a case that was rainbow chromatic. A generous coating of WD-40 did wonders.
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#14 |
Registered User
Join Date: Jan 2015
Location: australia
Posts: 589
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Citric acid bath
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#15 |
Junior Member
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Thread revival!
Another option is Devils Blood alloy wheel & paint cleaner! This stuff eats rust and grime for breakfast. It stinks bad but it is pretty good ![]() |
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