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Prep frame for paint media blasting what type ?

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  • #16
    Eric,
    Common sense applies to the blasting as well.
    Experience is worth a fortune.
    The object is to get a clean surface, with a profile. There are various ways to get there. As the saying goes, there is more than one way to skin a cat.
    Mick

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    • #17
      Originally posted by exeric View Post
      I've had parts ruined by sandblasting companies so choose your vendor wisely. I had a Flying Merkel wheel run over by a fork lift at a blasting company, and friends who dropped off good frames and got bent frames back. I've done countless frames and I try to use good judgment, and my own experience. Good surface prep applies to any object that will be painted, and that is based on common sense.
      In defense of, and with all due respect, to the rare professionals in this industry:

      "If you want something done right, do it yourself".

      Then nobody will hear you complain.

      ...Cotten
      Last edited by T. Cotten; 05-03-2019, 02:06 PM.
      AMCA #776
      Dumpster Diver's Motto: Seek,... and Ye Shall Find!

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      • #18
        Originally posted by T. Cotten View Post

        "If you want something done right, do it yourself".

        Then nobody will hear you complain.

        ...Cotten
        Well, what do you know. I agree 100%, Tom.

        I have great respect for all professionals, in all professions; but often, an amateur is going to do the research, spend the time, and fret over the nit-picking details with the goal of doing a good job.
        Eric Smith
        AMCA #886

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        • #19
          Originally posted by exeric View Post
          Well, what do you know. I agree 100%, Tom.

          I have great respect for all professionals, in all professions; but often, an amateur is going to do the research, spend the time, and fret over the nit-picking details with the goal of doing a good job.
          A professional wouldn't?

          No wonder I'm broke.

          ....Cotten
          AMCA #776
          Dumpster Diver's Motto: Seek,... and Ye Shall Find!

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          • #20
            I too had a bad experience with an industrial sandblaster. When I got the frame back it had the texture of about 36 grit sandpaper.
            They use too course sand at too high pressure. Took a lot of primer to get it smooth. Then I bought my own equipment. As far as chemical stripping (paint stripper and/or acid), in my opinion, and it's just an opinion, if you don't get the chemicals completely neutralized some might remain in the cracks and crevices and after a while blister your paint.
            Dave

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            • #21
              I love Harbor Freight's cheap Russian aluminum oxide, Folks!

              Ain't no way a frame would fit in my cabinet though...

              "Play sand" is cheap, and blends well into a gravel parking lot.

              .....Cotten
              AMCA #776
              Dumpster Diver's Motto: Seek,... and Ye Shall Find!

              Comment


              • #22
                Originally posted by larry View Post
                I use coal slag. It works fine.
                Black Beauty. Comes in different sizes.
                D. A. Bagin #3166 AKA Panheadzz 440 48chief W/sidecar 57fl 57flh 58fl 66m-50 68flh 70xlh

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                • #23
                  Originally posted by D.A.Bagin View Post
                  Black Beauty. Comes in different sizes.
                  That would make a mess in my alley, Larry and D.A.!

                  (I treat it like a 'Historical' district.)

                  ....Cotten
                  PS: If I had room for a fifth cabinet, it might shoot corn cobs.
                  Attached Files
                  Last edited by T. Cotten; 05-04-2019, 12:42 PM.
                  AMCA #776
                  Dumpster Diver's Motto: Seek,... and Ye Shall Find!

                  Comment


                  • #24
                    Find a mobile dustless blast guy and have him hit it with 70/100. Then you can have it epoxy primed & painted (I'd recommend a single stage for a frame) or have it powder coated. I like both options, and I find that a good coat of epoxy, followed by enough dry time, and any PPG/Dupont/etc base coat and some urethane clear lays down like glass. I've done dozens and dozens of frames, and probably thousands of tanks and fenders. I do this for a living :-)
                    Last edited by BD's Cycles; 05-06-2019, 11:41 AM.

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                    • #25
                      Originally posted by BD's Cycles View Post
                      Find a mobile dustless blast guy :-)
                      Hereabouts,..

                      The locals would just wink and say "yeah I'm the mobile dustless blast guy"...

                      ...Cotten
                      AMCA #776
                      Dumpster Diver's Motto: Seek,... and Ye Shall Find!

                      Comment


                      • #26
                        One of the criteria I look for when selecting a blaster is, do they own/ride bikes themselves.
                        These people usually know the extra effort needed to make a good surface prep.
                        Ask other people about their experiences, etc.
                        Mick

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                        • #27
                          Is the original poster trying to duplicate the factory finish on a wishbone?

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                          • #28
                            Originally posted by aumick10 View Post
                            One of the criteria I look for when selecting a blaster is...
                            A carbide nozzle.

                            ....Cotten
                            PS:
                            Originally posted by larry View Post
                            Is the original poster trying to duplicate the factory finish on a wishbone?
                            Good trick with powdercoat..
                            Even the judges know better.
                            Last edited by T. Cotten; 05-06-2019, 04:47 PM.
                            AMCA #776
                            Dumpster Diver's Motto: Seek,... and Ye Shall Find!

                            Comment

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