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Pretty Standard + Slave X Axis

Discussion in 'CNC Mills/Routers' started by Skoobs, Sep 12, 2015.

  1. Skoobs

    Skoobs Well-Known
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    Skoobs published a new build:

    Read more about this build...
     
  2. Skoobs

    Skoobs Well-Known
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  3. dakman

    dakman Well-Known
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    How are you connecting the y-axis uprights at the rails? Can you you add an image of the area, close up?
     
  4. Skoobs

    Skoobs Well-Known
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    I was just going to bolt through the Gantry Plate into a T-Nut inside of the upright extrusion.

    Now I am wondering if there will be enough clearance for the head of the bolt, or if I will have to countersink the holes and use bolts that will sit flush with the surface.
     
  5. dakman

    dakman Well-Known
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    That's what I thought ...the clearances required for the hardware will require some mods to holes, tapping or counter sink or bore.

    Thanks for the fast answer!
     
  6. Skoobs

    Skoobs Well-Known
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    Also, the holes in the riser plates are tapped, so I may just skip them.

    Though I really wanted to make my own cover plates for the X axes. Would be bad to machine your own handle into them and mount them down the sides. *heavy breathing*

    but ultimately its not necessary, and would be purely cosmetic. probably more effort than it is worth.
     
  7. dakman

    dakman Well-Known
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    The other issue I see with using the internal rails in the y-axis, because the wheel support distance is very close together and with the x-axis so high, the torque on that area will be substantial. The unit I'm designing will use the external rails with a home made gantry plate with a rather far apart spread of the v-wheels. I will use the internal and external rails for a very stiff ride..hehehehehe
    Dakmans Router design.jpg
     
  8. Steven Bloom

    Steven Bloom Veteran
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    Very nice and interesting build. Looks similar to my Sea-OX.

    Thanks Steven
     
  9. dakman

    dakman Well-Known
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    Hey all the great people are named Steve......hehehehehe
     
    Steven Bloom likes this.
  10. Skoobs

    Skoobs Well-Known
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    I could make the cross member axis lower (you are referring to it as X, I was calling that Y, same difference) in order to drastically reduce the torque on the long axes.

    150mm veritical members rather than 250mm may suffice. I worry about the stability of plates. I am not sure if they would flex or bend.

    One of the other worries I have is the horizontal X axis holding the spindle. I wonder if it would put too much torque on the wheels. Your orientation seems nice, but once again requires a custom mounting bracket which I don't have the ability to make right now.
     
  11. Steven Bloom

    Steven Bloom Veteran
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    You could easily make the parts so they wont bend. Currently pictured on my Sea-Ox I am using .25" MDF. That is certainly not strong enough for plates. But soon I will be having all of my plates cut from a piece of 2' x 2' x 3/16" Stainless Steel. The Stainless is extremely strong and will not bend.

    Stainless 1.jpg Stainless 2.jpg
     
  12. Skoobs

    Skoobs Well-Known
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    That would be ideal, but I was hoping to do this cheaper. Then, once I have this thing running, I can machine my own plates out of aluminum. I doubt this thing would do stainless even with the 1.5kW water cooled spindle.

    I guess I could see if someone at work would machine the plates for me if I provide them with the files. The downside to being at a big company is you cant just hop on a machine whenever you have downtime. resources are constantly being stretched to their limits.
     
  13. Steven Bloom

    Steven Bloom Veteran
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    I actually only paid $130 for the stainless. Someone is being kind and cutting the material for free on a water jet for me.
     
  14. vickers20

    vickers20 New
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    Hey I been wanting to build one just like this one you designed. Do you have a compelte parts list yet. And if you do build this are you going to use the parts you get from the open builds store or use other sites?
     

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