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Chop saw blade for aluminum

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  • #46
    I'm lost who won? the dog, ceiling fan or the garage door opener

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    • #47
      Found a speed controller at HFT made to control the motor speed for brush type AC motors found chop and miter saws.
      It is basically a reostat that uses thermistors to vary the supply voltage to the saw.
      set it to the lowest rpm setting using the rotary knob on 14" abrasive chop that normally runs at 3500 rpm, slowed it way down.
      Unable to stall out blade in 3x3x1\4" structural steel by applying downward force on handle.

      The Evolution tech advised that vibration causes chipped teeth on carbide tooth blade.
      The saw support structure must be sufficiently rigid to limit vibration.

      Building my own heavy duty cut off saw.
      Believe slider saws have best cutting geometry that minimizes number of teeth in contact with work piece, but the compliance of the small diameter slider tube rails causes excessive vibration compared to plunger cut chop saws.

      The 1300 rpm Mikita chop saw is the best portable chop saw have found yet, but still too compliant for dry cutting steel.
      Trying a 12" miter slider saw with speed control unit to set tip speed at 10,000 ft\min for aluminum using C3 TCG blade.

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      • #48
        Originally posted by Almond farmer View Post
        ...Building my own heavy duty cut off saw....
        Because of course you are.

        Out of curiosity, ask your insurance company if you are covered if something goes wrong and your house burns down. I'm not saying it will, but will they accept the "I'm an engineer and built a better one myself" instead of "Something went wrong with this UL-Listed product I purchased."

        I don't know why, but I'm envisioning your neighborhood as one that as soon as you fire up a saw to cut aluminum, they will have the HOA all over you for the noise.

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        • #49
          Originally posted by pat h View Post
          I'm lost who won? the dog, ceiling fan or the garage door opener
          Omma guess the ceiling fan.

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          • #50
            Prefer horizontal band saw for AL solid round, square, rectangle, tubing stock and vertical band saw for Al plate over cutoff saw and
            slider miter saw with carbide tip blade , but cut needs clean up using lathe, milling or stationary disc sander.

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            • #51
              Actually, the dog won. Who do think is feasting on that juicy, ripe tomato?

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              • #52
                Originally posted by Almond farmer View Post
                ...cut needs clean up using lathe, milling or stationary disc sander.
                WTF are you making? A piano?

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                • #53
                  How is the recovery going?
                  https://www.washingtonpost.com/news/...=.d05e427505bd
                  Ed Conley
                  http://www.screamingbroccoli.net/
                  MM252
                  MM211
                  Passport Plus w/Spool Gun
                  TA185
                  Miller 125c Plasma 120v
                  O/A set
                  SO 2020 Bender
                  You can call me Bacchus

                  Comment


                  • #54
                    How is the recovery going?
                    https://www.washingtonpost.com/news/...=.d05e427505bd
                    Ed Conley
                    http://www.screamingbroccoli.net/
                    MM252
                    MM211
                    Passport Plus w/Spool Gun
                    TA185
                    Miller 125c Plasma 120v
                    O/A set
                    SO 2020 Bender
                    You can call me Bacchus

                    Comment


                    • #55
                      How is the recovery going ?

                      https://www.washingtonpost.com/news/...=.d05e427505bd
                      Ed Conley
                      http://www.screamingbroccoli.net/
                      MM252
                      MM211
                      Passport Plus w/Spool Gun
                      TA185
                      Miller 125c Plasma 120v
                      O/A set
                      SO 2020 Bender
                      You can call me Bacchus

                      Comment


                      • #56
                        A space shuttle is my guess.

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                        • #57
                          A space shuttle is my guess.

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                          • #58
                            A space shuttle.

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                            • #59
                              A space shuttle.

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