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  • HF mini mill deal.

    I just ordered a mini mill from HF. I have not seen the price this low before even with coupon. The code I found brought the price down to 499.99, I think it's a good deal and I figured I would let you guys know. This is the code. 39300398, please do not take this as a schill post as I do not stand to profit in any way. I hope it helps one of you guys out.

    Looking towards a cnc conversion for the mini mill. I can't wait.
    12x16" Delta 3d printer (Built from scratch)
    Logan 825 - work in progress
    My Blog - http://engineerd3d.ddns.net/
    Youtube Channel - https://www.youtube.com/channel/UCVY...view_as=public
    Instagram - https://www.instagram.com/engineerd3d/?hl=en

  • #2
    Originally posted by engineerd3d View Post
    I just ordered a mini mill from HF. I have not seen the price this low before even with coupon. The code I found brought the price down to 499.99, I think it's a good deal and I figured I would let you guys know. This is the code. 39300398, please do not take this as a schill post as I do not stand to profit in any way. I hope it helps one of you guys out.

    Looking towards a cnc conversion for the mini mill. I can't wait.
    Certainly more cost effective than going with a Taig! Make sure it has the R8 spindle so you can use TTS tooling.

    Comment


    • #3
      Aaaahhhh crap I already spent all my "fun money" before I got on the grizzly list..... gonna have to wait till next yr probably.

      Comment


      • #4
        Originally posted by RB211 View Post

        Certainly more cost effective than going with a Taig! Make sure it has the R8 spindle so you can use TTS tooling.
        I have been looking at exactly that, tts tooling will be certainly in the cards. I hope hf does not take a month to deliver.
        12x16" Delta 3d printer (Built from scratch)
        Logan 825 - work in progress
        My Blog - http://engineerd3d.ddns.net/
        Youtube Channel - https://www.youtube.com/channel/UCVY...view_as=public
        Instagram - https://www.instagram.com/engineerd3d/?hl=en

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        • #5
          Originally posted by nickel-city-fab View Post
          Aaaahhhh crap I already spent all my "fun money" before I got on the grizzly list..... gonna have to wait till next yr probably.
          Aaaahhhh come on. What's 500 bucks. It's not like you'll take the family on vacation this year. Everything's closed.

          Comment


          • #6
            Originally posted by CCWKen View Post

            Aaaahhhh come on. What's 500 bucks. It's not like you'll take the family on vacation this year. Everything's closed.
            500 is a lot when you aint got it. Besides, I'm holding out for something decent, like the old Atlas MFC horizontal... see there's a madness to my method

            Comment


            • #7
              A horizontal is nice to have, although I am not super fond of the Atlas. My FIL had one, but he got rid of it years ago and kept the Enco version of an RF-45 that he still has.. You might want to reconsider

              I DO have a horizontal, a Lewis, much the same size as an Atlas, but takes a larger arbor. I have a vertical head for it, and the vertical head has spent a whole lot more time installed on it than it has sitting on the shelf. While you CAN do most of the same things horizontally, the vertical head is a lot more convenient most of the time. And that is a vertical head without a quill. If it had a quill, there would be no contest at all.

              I am starting to regard the horizontal as a good "addition to" the vertical. I know which one I'd keep if I could only have one.
              1601

              Keep eye on ball.
              Hashim Khan

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              • #8
                TTS tooling works with MT3 spindles too, just takes a different collet

                Comment


                • #9
                  Originally posted by epicfail48 View Post
                  TTS tooling works with MT3 spindles too, just takes a different collet
                  Is the Z height as repeatable?

                  Comment


                  • #10
                    Originally posted by RB211 View Post

                    Is the Z height as repeatable?
                    Unsure, but my understanding is that the Z height is set from the contact of the tool holder to the face of the spindle, so the taper shouldnt matter either way. Again though, could be wrong about that

                    Comment


                    • #11
                      Originally posted by RB211 View Post

                      Is the Z height as repeatable?
                      In order to use TTS tooling without interference Tormach has the face of the 3/4 inch R8 collet ground flat. Then the tool registers every time off the nose of the spindle. The collet does stick out a little when it releases the tool so a recess is cut in the back of the TTS (Tormach) or QTC (Novakon) tool holders.

                      You could make your own TTS/QTC style tool holders in any R8 size or similar tool holding collet you wanted to. Tormach and Novakon have settled on 3/4 shank. So have a few others. I make my own specialty holders for TTS setups all the time. Since I use them for CNC I measure the tool height and save it in the tool table. Height is repeatable within a few tenths. Better than the resolution of my height gage actually.

                      Anyway, yes, you could use MT3 or R8 or 5C or any other collet you use for tool holding and any size shank you want if you wanted to use make your own tool holders. Any collet pulled in with a draw bar anyway. ER, DA, AF etc would not work. You can have TTS style tool holders with an ER nose on them though. They are among my favorites. You just never take the tool out of the tool holder until you break it or you wear it out.

                      The TTS and QTC tool holders are so affordable though that if they have what I need I just buy it from them. Tormach also sells a 3/4 inch collar with a recess machined in the back that you can press onto a 3/4 shank tool in order to convert it to TTS. I have a 1" 45 degree insert mill, and a dovetail cutter I have used the collar on. Its also pretty cheap and its hardened.

                      One thing to note is that R8 make still need a smack from a mallet to release, but MT3 is designed to not release. Its always going to need a smack with a mallet. That means if you build an air cylinder power draw bar it will need more air or larger diameter or more stages to release the tool. R8 would be a better choice.



                      Originally posted by epicfail48 View Post

                      Unsure, but my understanding is that the Z height is set from the contact of the tool holder to the face of the spindle, so the taper shouldnt matter either way. Again though, could be wrong about that
                      That is correct.
                      Last edited by Bob La Londe; 05-05-2020, 09:38 PM.
                      *** I always wanted a welding stinger that looked like the north end of a south bound chicken. Often my welds look like somebody pointed the wrong end of a chicken at the joint and squeezed until something came out. Might as well look the part.

                      Comment


                      • #12
                        Originally posted by J Tiers View Post
                        I DO have a horizontal, a Lewis, much the same size as an Atlas, but takes a larger arbor. I have a vertical head for it, and the vertical head has spent a whole lot more time installed on it than it has sitting on the shelf. While you CAN do most of the same things horizontally, the vertical head is a lot more convenient most of the time.
                        Thanks for the heads-up, I've never heard of Lewis before, but now I'll start researching them. I have seen a lot of the little Burke production mills at HGR surplus, but usually they are setup to do only one op, and no screws. Production machines.

                        Comment


                        • #13
                          Originally posted by nickel-city-fab View Post

                          500 is a lot when you aint got it. Besides, I'm holding out for something decent, like the old Atlas MFC horizontal... see there's a madness to my method
                          I just restored my Atlas MFC horizontal and did a bunch of videos about it. (Well maybe restore is too harsh, I cleaned it up) If your interested this is the links.
                          PT1- https://www.youtube.com/watch?v=puQyudbnE98
                          PT2-https://www.youtube.com/watch?v=7bmefbwkQM0
                          PT3- https://www.youtube.com/watch?v=rS1LkyblpJA
                          PT4 - https://www.youtube.com/watch?v=HPaLkJ1Xz-8
                          PT5 - https://www.youtube.com/watch?v=7lUxnPW-gX8
                          PT6 - https://www.youtube.com/watch?v=xdaCE5uAFR8

                          On other news, the milling machine has been back ordered. I just spoke to the folks there and they said check back in 2 weeks....
                          I also ordered some TTS style er20 tool holder as well as TTS style collet for such holders and am actually doing some research on the steppers as well as the controller I will use for this machine. I have decided on mach3 even though its old as the hills. This will be a sub 1000$ all in CNC conversion (I hope). Wish me luck.
                          12x16" Delta 3d printer (Built from scratch)
                          Logan 825 - work in progress
                          My Blog - http://engineerd3d.ddns.net/
                          Youtube Channel - https://www.youtube.com/channel/UCVY...view_as=public
                          Instagram - https://www.instagram.com/engineerd3d/?hl=en

                          Comment


                          • #14
                            Originally posted by engineerd3d View Post


                            On other news, the milling machine has been back ordered. I just spoke to the folks there and they said check back in 2 weeks....
                            I also ordered some TTS style er20 tool holder as well as TTS style collet for such holders and am actually doing some research on the steppers as well as the controller I will use for this machine. I have decided on mach3 even though its old as the hills. This will be a sub 1000$ all in CNC conversion (I hope). Wish me luck.
                            Not an Centroid Acorn controller? Any particular reason?

                            Comment


                            • #15
                              Originally posted by engineerd3d View Post

                              I just restored my Atlas MFC horizontal and did a bunch of videos about it. (Well maybe restore is too harsh, I cleaned it up) If your interested this is the links.
                              PT1- https://www.youtube.com/watch?v=puQyudbnE98
                              PT2-https://www.youtube.com/watch?v=7bmefbwkQM0
                              PT3- https://www.youtube.com/watch?v=rS1LkyblpJA
                              PT4 - https://www.youtube.com/watch?v=HPaLkJ1Xz-8
                              PT5 - https://www.youtube.com/watch?v=7lUxnPW-gX8
                              PT6 - https://www.youtube.com/watch?v=xdaCE5uAFR8

                              On other news, the milling machine has been back ordered. I just spoke to the folks there and they said check back in 2 weeks....
                              .
                              Thanks! Will be doing some video watching....

                              Comment

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