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Sphinx rigid XL

Discussion in 'CNC Mills/Routers' started by Apothus, Apr 14, 2017.

  1. Apothus

    Apothus Well-Known
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  2. silopolis

    silopolis Well-Known
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    HI,

    Nice build !
    Wondering what would be the pros and cons of putting the two beams one above the other instead of back to back ?
     
  3. Joe Santarsiero

    Joe Santarsiero OB addict
    Staff Member Moderator Builder

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    Do LinuxCNC control GRBL controllers now?
     
  4. Apothus

    Apothus Well-Known
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    Oops, thought I had corrected that mistake. GRBL is stand alone, it typically runs a front end application such as bCNC to stream G-Code to the controller over serial. I have gotten the machine running using GRBL but I have moved away from it in favour of trying LinuxCNC. I think GRBL can be a good start for a lot of applications but it has very limited expandability. Eventually I want to migrate to a closed loop system, especially for my heavy Z-Axis and the parallel Y-Axis. That will be a lot easier to accomplish with LinuxCNC so it makes sense to use that from the beginning.

    This one has stumped me for a bit and challenged my assumptions. Side by side was more of a 'gut feel' than the engineering decision it should have been. I have used the double lengths to reduce rotational torsion. My assumption was that by increasing the cross sectional area of the width to match the height that would be most effective. Stacking them ontop of each other would probably be better for improving the strength of direct loading if that was your main objective. If someone was to base a build off mine and less 'gun-ho' about spitting out swarf I think it would be a very interesting analysis
     
    Ernest Sutherland likes this.

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