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IndustryArena Forum > MetalWorking Machines > CNC "do-it-yourself" > DIY Fibre Concrete 40x30 CNC Mill
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  1. #1
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    Nov 2020
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    DIY Fibre Concrete 40x30 CNC Mill

    Dear CNCzoners,

    below the link to my brand new video showing the highlights of the fibre concrete CNC built. I thought long about what materials best to use with the tools that I had at hand. I decided to experiment with fibre concrete. I am quite satisfied with the result. Enjoy the video!

    https://www.youtube.com/watch?v=3JwQ6bVTlHI

    Cheers

    TheTinkerLab

  2. #2
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    Mar 2012
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    Re: DIY Fibre Concrete 40x30 CNC Mill

    Very nice build Any plans of replacing wood parts with aluminium ?

    This is regular concrete with rebars

    Sent fra min SM-G975F via Tapatalk

  3. #3
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    Re: DIY Fibre Concrete 40x30 CNC Mill

    Quote Originally Posted by xillianto View Post
    Very nice build Any plans of replacing wood parts with aluminium ?

    This is regular concrete with rebars

    Sent fra min SM-G975F via Tapatalk
    Hi xillanto, yes I ordered aluminum for the z-axis. Especially the mount for the Spindle is not rigid enough on wood (like a spring). I tried milling steel and see marks on the surface that probably result from that. This should stop with the alu z-axis.

    I like your tub design! Would be perfect for flood cooling - is it sealed? Are you happy with your automatic toolchange spindle? I already had an eye on that one...

  4. #4
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    Re: DIY Fibre Concrete 40x30 CNC Mill

    it's set up for flood cooling for sure

    And yes, i am quite happy with the spindle, it's 3kw 4 poled so it has allot more torque than regular spindles.

    I have tried steel aswell, and that wasnt any problem at all

    As you can see, it can manage quite good cuts, that was 12600 rpm, 2700 mm/min, 10mm deep and 3.5mm width of cut, and it still didnt struggle.

    I have not built enclosure yet, but using some curtains for shower at the momemt, and it works quite good

    The machine keeps surpricing me every day

    Sent fra min SM-G975F via Tapatalk

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