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Is this a viable build?

Discussion in 'CNC Mills/Routers' started by CreemCheese, Aug 21, 2018.

  1. CreemCheese

    CreemCheese Well-Known
    Builder

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    I was really interested in CNC some years back and then life kinda got in the way of things and forget most of what I read back then. I'm getting the itch to try it again and found a sketchup file (probably missing some screws and brackets) of a machine plan I made back then using all off the shelf parts, will be 500mm extrusions belt driven for the x and y, with 250mm screw driven for the z. Trying to keep it affordable.
    This will be for engraving, light routing, and possibly mount a laser. Think this will be sturdy enough? Would I be better finding a build that has already been proven?

    I feel like 1000x1000 would be a better size, and thought I chose that before. Would I have thought that would have too much flex?
     

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  2. Rick 2.0

    Rick 2.0 OpenBuilds Team
    Staff Member Moderator Resident Builder Builder

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    You might take a look at the Routy, it's fairly close to what you have there. From what you have shown the only item I really question is the rollers supporting the Z-axis. They way they extend out on the spacers may not be terribly sound. I would suggest using the spacer blocks as used on the Routy. The only other issue would be size of the X-beam relative to the weight of the router. The small beam you have shown would probably handle a very light weight spindle but not much more and if you want to take it up to 1000mm you'll want to go with at least a double thickness of the 20x60 extrusion. Overall, I would suggest you peruse the CNC builds section. A lot of ideas have come and gone since you put this idea together and you may find something you like even better.
     
    CreemCheese likes this.
  3. CreemCheese

    CreemCheese Well-Known
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    Thank you for the reply. Now that you mentioned the name Routy, I do remember using that as reference for several things. I definitely see what you mean about having the z rollers out on the spacers, my old thinking with that was trying to get as much z movement.
     

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