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Wire wheel + sheet metal

Discussion in 'The Hokey Ass Message Board' started by oldnuts, Nov 29, 2013.

  1. oldnuts
    Joined: Jan 14, 2009
    Posts: 355

    oldnuts
    Member
    from nebraska

    Is it a good idea to clean the rust off sheet metal with a wire wheel?
     
  2. hotrodhomework
    Joined: Aug 23, 2006
    Posts: 99

    hotrodhomework
    Member

    It's hard to get rust off thin sheet steel with wire wheel ,but undercoating with fly off with wire wheel. I get all the loose stuff off with wire wheel. After that I use everything from 80 grit sandpaper to roloc disk to get the rust off. Even use Ppg bare metal prep to get light rust off. A lot of hard work.
     
  3. oldnuts
    Joined: Jan 14, 2009
    Posts: 355

    oldnuts
    Member
    from nebraska

    Thanks. I'm gonna start laying the lines out for my chop and was putting together a shopping list if stuff to buy. I was more worried that the speed and wire would be to harsh for the thin metal.
     
  4. 1955IHC
    Joined: Aug 20, 2013
    Posts: 636

    1955IHC
    Member

    I'd use a DA on my very first project vehicle I used a wire wheel to strip rust and paint. I ended up with a very wavy truck.:mad:

    Sent via Illinois Bell Telephone Company's Car Radiotelephone
     

  5. Happydaze
    Joined: Aug 21, 2009
    Posts: 1,284

    Happydaze
    ALLIANCE MEMBER

    3m stripit discs work well.
     
  6. They do but can build up heat if concentrated in one area for to long, whats wrong with a good old sandblaster..
     
  7. jdownunder
    Joined: Aug 21, 2007
    Posts: 334

    jdownunder
    Member

    if your gonna use one make sure your glasses are on and your covered up
    you will be picking wires out of your skin regardless if you use them on a grinder
    they work well for the scaley stuff
     
  8. Yep... Safety glasses, and wear plenty of thick clothing; a heavy leather apron (like a welding apron) is highly recommended. Keep the wheel moving as they can generate a lot of heat and warp the metal.
     
  9. adam401
    Joined: Dec 27, 2007
    Posts: 2,755

    adam401
    ALLIANCE MEMBER

    In my humble opinion the least damaging way to clean metal for body mods is DA sanding/ wire wheel for rust and torch/ hand wire brush for paint and factory seam lead. Sand blasting can have a shot-peening effect and make the steel brittle but in reality unless your doing a car that will require a lot of hammer dolly it wont really matter. Boxy early 30's cars need almost no finessing except a few relief cuts in order to line up properly. Lots of opinions on this board, a lot of which are more educated than mine but Ive cut a lot of cars. Good Luck
     
  10. oldnuts
    Joined: Jan 14, 2009
    Posts: 355

    oldnuts
    Member
    from nebraska

    I'm chopping my 31 A sedan. I'm prolly gonna go a head and buy the DA disks and do it the least damaging way.
     
  11. adam401
    Joined: Dec 27, 2007
    Posts: 2,755

    adam401
    ALLIANCE MEMBER

    Just some secondary advice. I like to very neatly tape off a chop rather than mark it out with a sharpy or chaulk or whatever. I use tapes of different sizes and but the edges together to completely mask the piece to be removed. For instance I would use 2" tape lined up neatly in 2 horizontal rows to mask a 4" piece to be removes plus the curf of the cutoff wheels and sawzall blades would net a 4-3/16 chop. Its easy and allows all your cuts to mirror each other.
    If you mask and cut neatly, you will not need to adjust any seams to be welded. Good luck and have fun.
    Chopping is one of the most fun mods to execute because of the instant gratification when you lay the roof back on.
     
  12. I just found out that they stopped making 2" tape. It's 1.88" now.
    Pretty daunting for guys like us who use tape to layout across and around irregular surfaces.

    I like a dye chemed surface, taped as needed with a backup scribe line on the dye chem a kerf off the tape. It makes me feel better for some reason.
     
  13. adam401
    Joined: Dec 27, 2007
    Posts: 2,755

    adam401
    ALLIANCE MEMBER

    You just blew my mind about the 2" tape, I had no idea.
     
  14. 1953naegle
    Joined: Nov 18, 2013
    Posts: 264

    1953naegle
    Member

    There are different grades of wire wheels. The thinner the wire, the less damage is done to the metal, but the longer it takes to strip stuff.
    I'm a beliver in sand blasting as the best way to physically remove rust. Just don't dwell in one spot too long. If somethings not coming off easy, try gently scraping it off. If rust is deeply inbeded into something, you're better off having to fix the metal than painting over it.
     

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