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  1. Replies
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    45,902

    Re: Added steel channel to X-axis c-beam

    Linear rails are far superior to round supported rails.
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    Re: Added steel channel to X-axis c-beam

    Supported rail will be better than the wheels you have now and my previous machine ran on those for a few years. But there can be some maintenance such as sometimes the bearing coming loose in the...
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    45,902

    Re: Added steel channel to X-axis c-beam

    Yes what Doddy said:applouse:
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    45,902

    Re: Added steel channel to X-axis c-beam

    Linear rail, and epoxy?
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    45,902

    Re: Added steel channel to X-axis c-beam

    The split tubes have the advantage that the Y axis can be very close to the gantry as it does not need to be offset to accommodate the ballscrew behind it which usually takes up more space than the...
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    Re: Added steel channel to X-axis c-beam

    You get less rigidity and torsional strength for your weight than with one larger box.
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    Re: Added steel channel to X-axis c-beam

    Hi Tyler,


    I took your google data sheet and used the deflection which I believe is closest to the collet to calculate the stiffness. It is around 1125 N/mm where you took that measurement...
  8. Thread: DIY mill...

    by keith77777
    Replies
    76
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    212,460

    Re: DIY mill...

    Hi Wiremonkey
    Sorry for not repying for so long, I have loaded up win7 and had lost my log in.
    Its some time since I built the Gingery mill clone. Its all steel and uses the slide is...
  9. Re: Best timing belt and pulleys type for minimum backlash

    Sometimes reading the manufacturers general guide lines on the first page is better than reading 100 posts on forums. :toot: Its all there, the good and the bad in bold letters:
    9931

    Are you too...
  10. Thread: DIY mill...

    by irving2008
    Replies
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    212,460

    Re: DIY mill...

    Been doing some structural analysis of my proposed gantry frame, planned to be constructed from 50 x 25 x 3mm aluminium rectangular tube.

    I found this structural analysis program called...
  11. Thread: DIY mill...

    by amen23
    Replies
    76
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    212,460

    Re: DIY mill...

    To me building a cnc machine is like commiting suicide ...it just cant be done in half measures ..you either succeed or you dont. We've all tried to out think the existing technology ... you may be...
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