Rust Removal Experts - Help, Please?

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  • benenglish

    Just Another Boomer
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    Nov 22, 2011
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    This is sorta but not quite auto-related. Apologies if anyone objects but this is where I figured I'd find the expertise.

    I'm looking for a way to remove rust where I don't want to damage the part. I may have mentioned this before, a long time ago, but I came into possession of an old Hollywood press I'd like to restore. I've put this project off for far too long. Some non-critical parts are severely rusted but the ram is only mildly corroded. I think it can be saved but I need a method that's as gentle to the remaining good metal as possible. Any mechanical process will render the tolerances between the ram and the riser (if you know how the Jr. press works, that'll make sense) too far out of spec to make the project worthwhile.

    Ideally, I need an effective liquid that's inexpensive enough to simply dunk the press into a 5 or 10 gallon bucket and leave it a while, after which I'll disassemble and do the final clean-up a piece at a time.

    TIA for any help.
     

    Kuhuna

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    Feb 19, 2011
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    The "Cloud"
    I have had great success using glass bead blasting at low pressure removing rust from tolerance critical parts. The glass bead turns to dust after impact unlike sand or aluminum oxide. A quick dip in Hydrochloric acid works too.
     

    Leper

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    Sep 28, 2008
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    Naval jelly comes to mind first. Paint it on with a small brush, watch it for a little bit and wash it off when the rust is gone A heavily rusted structure piece can be done using a five gallon bucket, some baking soda, some rebar and a battery charger.
     

    rsayloriii

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    May 11, 2009
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    H-Town, TX
    Might try CLR. You wouldn't have to have that much either, as you can either spray it on, or soak some paper towels in the CLR and then rap it around what you want to clean.
     
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