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C-Beam Machine Too

Discussion in 'CNC Mills/Routers' started by Metalguru, Jun 28, 2016.

C-Beam Machine Too

C-Beam Machine Too

Discussion in 'CNC Mills/Routers' started by Metalguru, Jun 28, 2016.

C-Beam Machine upgrade using linear rails to increase machining size by 2.5 times and increase rigidity

linear rail c-beam machine improvement electronics module
  1. Metalguru

    Metalguru Veteran
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    Metalguru published a new build:

    Read more about this build...
     
    #1 Metalguru, Jun 28, 2016
    Quoc Anh Le, Paul Stoller and TerryOx like this.
  2. TerryOx

    TerryOx Well-Known
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    Nice work.
     
    #2 TerryOx, Jun 28, 2016
  3. Quoc Anh Le

    Quoc Anh Le New
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    can you convert to sketchup 2015? Thanks
     
    #3 Quoc Anh Le, Jun 30, 2016
  4. Metalguru

    Metalguru Veteran
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    Here you go Quoc!
     

    Attached Files:

    #4 Metalguru, Jun 30, 2016
  5. Metalguru

    Metalguru Veteran
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    I moved the stuff that was here into the build section.
     
    #5 Metalguru, Jul 14, 2016
  6. Bad Sequel

    Bad Sequel Well-Known
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    Great looking machine! :thumbsup:
     
    #6 Bad Sequel, Jul 15, 2016
  7. slm222

    slm222 New
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    looks great.. so to understand a little more about the linear rails. they bolted up to the v slot rail (20x40?) with insert nuts or did you have to drill into the v slot rail
     
    #7 slm222, Jul 15, 2016
  8. Metalguru

    Metalguru Veteran
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    Hey slm222 :

    Yes, its a 20x40mm v-slot. The mounting holes on the linear rail were just a bit closer together than the centers of the v-slot, which are 20mm, I think they were about 19mm or so. Odd hole spacing, just enough so I could not get a screw into a t-nut in the slot. Come to think of it, maybe they were 3/4", which is pretty close to 19mm. Doesn't make much sense for them to be inch spacing, when everything else was metric...

    Anyway, I did not modify the v-rail. I solved the problem by drilling out the mounting holes on the linear rail as much as I could without breaking through the edge. They were 5mm to start out with, I think I drilled them out to about 5.6mm or so. This gave just enough extra width clearance so a standard low profile screw would go through the hole and into a regular t-nut.
     
    #8 Metalguru, Jul 15, 2016
    slm222 likes this.
  9. Mark Carew

    Mark Carew OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    @Metalguru again just want to jump in here to say what a great job you have done on this Build and the helpful mods that really makes this machine be the best it can be. :thumbsup:
     
    #9 Mark Carew, Mar 16, 2018
  10. Rpafenberg

    Rpafenberg New
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    Metalguru,

    What do you use for clamps. With the T slot on perimeter of the table there doesn't seem to be any place for a clamp to gain leverage on its back side.
     
    #10 Rpafenberg, Mar 8, 2019
  11. Metalguru

    Metalguru Veteran
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    Made my own out of wood. Just a 1" wide strip of baltic birch plywood with a slot and a groove on the end. They sit on top of the angle on the bed, and the bolt provides reasonable clamping force. You can make them various lengths. I also use fender washers on the bolts, and all kinds of other jury rigged gizmos depending on my needs. Mostly, for wood I use double sided tape.

    MG
     
    #11 Metalguru, Mar 8, 2019
  12. Rpafenberg

    Rpafenberg New
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    Thanks, I have used your build as a guide on the modifications to my XL and found that my previous clamps would not provide the clamping ability I had previously.
     
    #12 Rpafenberg, Mar 8, 2019
  13. Metalguru

    Metalguru Veteran
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    Feel free to relocate the tee track anywhere you like to make your clamps work. The build is only a suggestion, modify it to suit your situation.

    MG
     
    #13 Metalguru, Mar 8, 2019

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