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  • Starting to polish. . new

    I'm looking at getting into polishing as a hobby. I'm really only looking at polishing aluminum car parts - for myself and friends mostly. Many people do this by hand with sandpaper, a tedious job. I've read through the how to booklet provided by Caswell, however I'm still a bit tentative to go ahead and dive in.

    For instance, the non-polished pieces of the engine below (intake manifold or power steering reservoir, for example):



    Would a buffing machine with various wheels, per the booklet, be enough to get to a nice shine (not mirror or chrome, but nice)? Would pre-sanding with paper be needed?

    Sorry for the really basic questions! Any help is appreciated!

  • #2
    Re: Starting to polish. . new

    The problem you will find in just buffing something without proper preparation is that it will make the roughness and the defects more visible.

    Richard

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    • #3
      Re: Starting to polish. . new

      i agree with Richard on this, i don t see the use for polishing a part if you are not going to prep it before .
      and yes polishing is a tedious job even when you use the right tools , if it was too easy then everybody would be doing it
      http://www.peintureenpoudrepb.com
      http://www.polissagepb.com
      http://www.powdercoatpb.com
      baz

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      • #4
        Re: Starting to polish. . new

        Originally posted by baz View Post
        i agree with Richard on this, i don t see the use for polishing a part if you are not going to prep it before .
        and yes polishing is a tedious job even when you use the right tools , if it was too easy then everybody would be doing it
        Plus 100 on that one. Been doing bike parts and verry tedious. Most important are the first inital sands. make sure it is smooth and uniform. Waste of time buffing for 2 hours to look like ****. Learned the hard way, NO shortcuts.

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        • #5
          Re: Starting to polish. . new

          Originally posted by Rasper View Post
          The problem you will find in just buffing something without proper preparation is that it will make the roughness and the defects more visible.

          Richard
          I too agree with Richard. If the metal is not prepped properly when you hit it with a sewn wheel on a buffing machine ( two speed converted grinder) all you will get is a black ugly smear. The buffing wheel will grab anything that isn't smooth and leave black trails which are a pain to remove. Sorry but the metal must be prepped or you will not like the outcome. Take your time and you will be glad you did.

          Kevin Cullen
          http://metalpolishshop.com/
          Last edited by Kevin Cullen; 03-10-2012, 11:24 PM.

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