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  • Grinding weld beads

    Hi again guys,,got my new MM251 and love it
    My question is what are you all using to grind down the weld beads on sheet metal?
    What is the best way to grind the sheet metal to ready it for paint?
    I am sure some of you have some trade secrets
    Thanks again
    Lonnie

  • #2
    I like the flapwheels, but with any grinding on sheet metal move around quite a bit too much heat in one place will create distortion and warpage that just wont go away, larger panels are the worst but I've seen patches in rockers ground too fast and cause distortion. Just take off a thin layer at a pass and make long smooth passes, removing material at an even rate hence heat input will be at the same rate and warpage will be minamized.

    Good luck,

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    • #3
      also remember to only remove the weld not the material around it.
      Trailblazer 302g
      coolmate4
      hf-251d-1
      super s-32p
      you can never know enough

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      • #4
        I too use the flap wheel disc on a 41/2" grinder. It smooths out welds and does not leave gouge marks in the metal. They come in different grits depending on how much metal you need to remove.

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        • #5
          Thank you

          Thanks for the help guys..Now where do i get the Flap wheels?
          thank you
          Lonnie

          Comment


          • #6
            Flapper Wheels

            Any welding supply stores will have flapper wheels for a 4" grinder. Remember you get what you pay for.

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            • #7
              Any welding supply,some Lowes stores & mscdirect.com .

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              • #8
                Check out this guy on eBay, He has some good prices. Pioneer Abrasives LLC. Here is a recent auction # 3876693655....Bob
                Bob Wright

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                • #9
                  They also come in the 7" size. There worth every penny!
                  Bulldog
                  5 Passport Pluses
                  2 MM 212's
                  MM 210
                  MM 251 MIA
                  MM 350 P w/Python
                  Syncrowave 250
                  w/ tig runner
                  Trailblazer 302
                  12RC w/meters
                  Spectrum 1000
                  Spectrum 2050
                  2 Black BWEs
                  Joker BWE
                  Star & stripe BWE Digital
                  2 star & stripe xlix's

                  REAL TRUCKS RATTLE
                  CUMMINS BABY

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                  • #10
                    Are those orange discs I see on tv, especially american chopper, flapper wheels? Either way, who makes those things?

                    Does anyone have any hand held methods of cutting sheet metal up to 1/8" thick that work well?

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                    • #11
                      Thos are Walter Enduro flap discs. I use the zirconia ones. They are the best flap disk going. I also find that the zip wheels they make are better than most.

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                      • #12
                        Originally posted by joebass
                        Thos are Walter Enduro flap discs. I use the zirconia ones. They are the best flap disk going. I also find that the zip wheels they make are better than most.
                        Try their spatter block and stainless clean/protect products. Good stuff!!!

                        Comment


                        • #13
                          I use the Walter Enduro Flex 7" and they really work great. One thing that everyone should be cautious of when the pads get worn the outside edge gets exposed and it becomes very easy to catch the edge of the plastic on a corner or the edge of a vise or something like that and if it does it can really send ya. I got hit in the chest one time with the backside of my Makita grinder and broke some ribs. Lucky for me I wasn't on a scafolding or something. I'm glad that I didn't get hit with the disk! As always be safe!
                          Bulldog
                          5 Passport Pluses
                          2 MM 212's
                          MM 210
                          MM 251 MIA
                          MM 350 P w/Python
                          Syncrowave 250
                          w/ tig runner
                          Trailblazer 302
                          12RC w/meters
                          Spectrum 1000
                          Spectrum 2050
                          2 Black BWEs
                          Joker BWE
                          Star & stripe BWE Digital
                          2 star & stripe xlix's

                          REAL TRUCKS RATTLE
                          CUMMINS BABY

                          Comment


                          • #14
                            Scott is right on about there splatter block. The stuff is awsome!
                            Bulldog
                            5 Passport Pluses
                            2 MM 212's
                            MM 210
                            MM 251 MIA
                            MM 350 P w/Python
                            Syncrowave 250
                            w/ tig runner
                            Trailblazer 302
                            12RC w/meters
                            Spectrum 1000
                            Spectrum 2050
                            2 Black BWEs
                            Joker BWE
                            Star & stripe BWE Digital
                            2 star & stripe xlix's

                            REAL TRUCKS RATTLE
                            CUMMINS BABY

                            Comment


                            • #15
                              Pioneer Abrasives

                              i have also used Pioneer Abrasives, orderd from him a cupel of times . fast service and great quality.
                              here is a link to his e-bay store.

                              http://stores.ebay.com/Pioneer-Abras...QQftidZ2QQtZkm

                              it is buy it now so no messing with bid's.
                              thanks for the help
                              ......or..........
                              hope i helped
                              sigpic
                              feel free to shoot me an e-mail direct i have time to chat. [email protected]
                              summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
                              JAMES

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