Steel Miter Slots

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  • gary
    Senior Member
    • May 2004
    • 893
    • Versailles, KY, USA.

    Steel Miter Slots

    I want to replace the aluminum miter slots on by BT with steel miter slots. Does anybody know of a company selling steel miter slots I can use to make my own MSTs? The aluminum MST is too soft and getting chewed up by my Incra miter sliders which must be harder grade of aluminum than the MST..
    Gary
  • JSCOOK
    Senior Member
    • Sep 2006
    • 774
    • Kitchener, Ontario, Canada
    • Ryobi BT3100-1

    #2
    Hmmm ... good thought ... I have access to several machine shops as I'm a manufacturing engineer ... I'll sketch something up and get it quoted just to see what it would cost to get made, as I have a few Mom & Pop shops which have been really cheap for other stuff ... quantity is going to be the key here to the price ... once I find out, I'll post the results ...

    One (1) or Two (2) Slots in the steel mitre table??? (will have impact on cost)

    And hey, we could actually use some of those magnetic hold down then as well ...
    Last edited by JSCOOK; 12-24-2006, 10:11 AM.
    "Experience: that most brutal of teachers. But you learn, my God do you learn". by C.S. Lewis

    Comment

    • lcm1947
      Veteran Member
      • Sep 2004
      • 1490
      • Austin, Texas
      • BT 3100-1

      #3
      A very timely post for me as I was minutes away from buying the Incra miter gauge from WoodCraft when it opens this morning. Bummer.
      May you die and go to heaven before the Devil knows you're dead. My Best, Mac

      Comment

      • eddy merckx
        Established Member
        • Mar 2006
        • 359
        • Western WA
        • Shop Fox Cabinet

        #4
        Sign me up for some steel miter slots! That is the major source of my cast iron top envy. My standard miter gauge is really sloppy in my BT3 double miter slot. I don't want to raise the surface of the miter gauge with a punch because I'm afraid it will tear the sides of the aluminum miter slot. Maybe I'm wrong about that.

        Not sure what the reasoning behind a double miter slot is.

        Eddy
        Last edited by eddy merckx; 12-24-2006, 11:01 AM.

        Comment

        • Slik Geek
          Senior Member
          • Dec 2006
          • 675
          • Lake County, Illinois
          • Ryobi BT-3000

          #5
          I'd consider being part of the steel miter slot purchasing group... but I might wimp out if the cost turns out to be high. Would want to see the drawing that JSCOOK creates prior to making a commitment. Single slot would be fine with me.

          Comment

          • steve-norrell
            Veteran Member
            • Apr 2006
            • 1001
            • The Great Land - Alaska
            • BT3100-1

            #6
            I would also be interested in steel slots, especially if they could replace the INCRA sliders. One important consideration would be that they are true "T-Slots", rather than the plain channels that are on Ryobi's miter slot table.

            Regards, SN

            Comment

            • JSCOOK
              Senior Member
              • Sep 2006
              • 774
              • Kitchener, Ontario, Canada
              • Ryobi BT3100-1

              #7
              Only thought that's come to mind this morning while I was out (an Engineer's mind never sleeps ) is the weight of shipping them ... might be like shipping a brick ... another thought would be to use a higher grade of aluminum alloy ...

              I gotta a couple of idea's ... let me get to sketching something up on SolidWorks and I'll post a couple of pic's ...
              Last edited by JSCOOK; 12-24-2006, 02:39 PM.
              "Experience: that most brutal of teachers. But you learn, my God do you learn". by C.S. Lewis

              Comment

              • New Guy
                Forum Newbie
                • Jun 2006
                • 34
                • Sierra Lakes golf course Fontana Ca
                • BT3100

                #8
                I am a machinist and have free use of the shop I work at. I could make some out of steel. But I would think the easy way to solve this would to send the original aluminum ones to an anodizer, and have them hardcoated.

                Comment

                • cgallery
                  Veteran Member
                  • Sep 2004
                  • 4503
                  • Milwaukee, WI
                  • BT3K

                  #9
                  I made my own miter accessory table and used the Incra miter track. It is compatible w/ the Incra slider on my sled (no wear). I also use it w/ an Incra miter gauge (steel bar) and have had no problems there, either.

                  Comment

                  • jrohrssen
                    Forum Newbie
                    • Dec 2006
                    • 10

                    #10
                    Originally posted by JSCOOK
                    Only thought that's come to mind this morning while I was out (an Engineer's mind never sleeps ) is the weight of shipping them ... might be like shipping a brick ... another thought would be to use a higher grade of aluminum alloy ...

                    I gotta a couple of idea's ... let me get to sketching something up on SolidWorks and I'll post a couple of pic's ...
                    JSCOOK,

                    How do you like Solidworks as opposed to other 3D modeling software? I'm using Alibre Design right now, I like it, but I'm always open to new stuff.

                    Jay Rohrssen

                    Comment

                    • Mike0728
                      Handtools only
                      • Dec 2006
                      • 1
                      • Sea Coast area of New Hampshire
                      • Ryobi BT3100

                      #11
                      Would also be interested in steel miter slots ...

                      Trying to square up the SMT to the blade is a constant battle. I'd like to think that this would eliminate that.

                      Please keep us posted...

                      Mike

                      Comment

                      • Jnam
                        Forum Newbie
                        • May 2006
                        • 27

                        #12
                        Correct me if I am wrong but the aluminum track is extruded. The steel one would need to be machined. The cost would be pretty high I would think.

                        I know you can extrude steel but it would have to be done at the foundry. The cost would be pretty much prohibitive unless you have a huge production run.

                        The steel tables for other saws are machined I belive, but the quantaties are large.

                        Unless you could find an existing product that has the same dimentional specs as the aluminum track I dont think a steel track is possible in small numbers.

                        Have a look at this http://www.emachineshop.com/
                        Last edited by Jnam; 01-09-2007, 05:11 PM.

                        Comment

                        • Lance
                          Established Member
                          • Jun 2005
                          • 102
                          • Haverhill, MA, USA.

                          #13
                          What about Building something up, rather that milling it? Slots could be milled or purchased retail.
                          Here's a quick sketch of what I'm thinking. Is there a good way to do this without sacrificing the accuracy of the slots?

                          -Lance
                          Attached Files
                          Ex-Armchair Woodworker and newb galoot.

                          Comment

                          • Jnam
                            Forum Newbie
                            • May 2006
                            • 27

                            #14
                            Thats fine if you want to build it yourself but not if you want to produce it in any quantity. The more steps the more materials you use the more expensive it becomes the less accurate it is.

                            I would imagine that if you could somehow make a deal with a manufacturer of cast table saw tops to make a run of your design with the minimum retooling would be the less expensive alternative.

                            Maybe what someone said earlier in the thread, just use better quality aluminum or harder aluminum or any metal that can be extruded into a track shape at a reasonable cost.

                            The problem is that you cant just make a steel track, you need to make a steel table extension with a track milled into it.

                            Comment

                            • jrohrssen
                              Forum Newbie
                              • Dec 2006
                              • 10

                              #15
                              Any update on this?

                              Comment

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