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Thread: Just another extrusion/Aluminium CNC

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    Default Just another extrusion/Aluminium CNC

    Hi. I'm working on this build for about 2 years now and jsut wanted to share some pictures of the progress.

    The Framesize is 1000mm x 800mm. It is a direct driven dual drive gantry design inspired by the famous Gabriels build.

    It uses 25mm linear rails on all Axis and 1605 ballscrews on X & Z and 2005 on Y. I wanted 10mm pitch at first but ordered 5mm pitch... and for now can live with it.

    Motors are high torque Nema23 steppers. In the future I update to 400W Servos.

    Everything was done with simple tools like a drill stand and a sliding mite saw.


    This is how it will look at the end:

    Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a
    Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a
    Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a

    Similar Threads:
    Attached Thumbnails Attached Thumbnails Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a   Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a   Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a  


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    Default Re: Just another extrusion/Aluminium CNC

    This it how it looks at the moment:







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    Default Re: Just another extrusion/Aluminium CNC

    now what .leaders need a dogx2



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    Default Re: Just another extrusion/Aluminium CNC

    Quote Originally Posted by millhouse_ View Post
    Hi. I'm working on this build for about 2 years now and jsut wanted to share some pictures of the progress.

    The Framesize is 1000mm x 800mm. It is a direct driven dual drive gantry design inspired by the famous Gabriels build.

    It uses 25mm linear rails on all Axis and 1605 ballscrews on X & Z and 2005 on Y. I wanted 10mm pitch at first but ordered 5mm pitch... and for now can live with it.

    Motors are high torque Nema23 steppers. In the future I update to 400W Servos.

    Everything was done with simple tools like a drill stand and a sliding mite saw.


    This is how it will look at the end:

    Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a
    Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a
    Just another extrusion/Aluminium CNC-bildschirmfoto-vom-2019-05-20-19-18-a
    5mm pitch Ballscrews are good for Zaxes but not X and Y you want at least 10mm Pitch for X and Y Axes

    Mactec54


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    Default Re: Just another extrusion/Aluminium CNC

    I wanted 10mm pitch but ordered 5mm. **** happens but I can live with it.



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    Default Re: Just another extrusion/Aluminium CNC

    Quote Originally Posted by millhouse_ View Post
    I wanted 10mm pitch but ordered 5mm. **** happens but I can live with it.
    If you do use the servos it won't be to bad for speed, but the steppers would be very slow

    Mactec54


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    Default Re: Just another extrusion/Aluminium CNC

    Quote Originally Posted by millhouse_ View Post
    This it how it looks at the moment:
    Or how it looks as rendered.



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    Default Re: Just another extrusion/Aluminium CNC

    I received the large Profiles yesterday and mounted them. Next step is aligning and squaring everything which feels like it will be much butthurt.

    Attached Thumbnails Attached Thumbnails Just another extrusion/Aluminium CNC-h1-jpg   Just another extrusion/Aluminium CNC-h1b-jpg  


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    Default Re: Just another extrusion/Aluminium CNC

    Very Cool!



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    Default Re: Just another extrusion/Aluminium CNC

    @fretman_2 thanks. I'm very happy with it too.

    PS: Some pictures of the aligning process will follow these days.



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    Default Re: Just another extrusion/Aluminium CNC

    Today I started aligning some parts.

    The left Y Profile was clamped in position with 1-2-3 blocks and attached to the bottomframe.

    To flush both Y profiles I clamped them between the motormounts.

    Just another extrusion/Aluminium CNC-22-jpg


    To get a little pressure from above I improved a bit:

    Just another extrusion/Aluminium CNC-21-jpg


    With everything clamped that way I tightend the Anglebrackets of the secondary Y Profile.

    Next step was aligning the Linearrail of the left Y Axis which was pretty simple. Just mounted a dial gage to the slide and drove along the screws. A little pressure here, some more pressure there to get it near zero.


    Just another extrusion/Aluminium CNC-11b-jpg


    Just another extrusion/Aluminium CNC-12b-jpg


    Last step was inserting the fastener caps. After inserting them I used a razorblade plane to cut away the overhang.


    Just another extrusion/Aluminium CNC-33-jpg

    Attached Thumbnails Attached Thumbnails Just another extrusion/Aluminium CNC-22-jpg   Just another extrusion/Aluminium CNC-21-jpg   Just another extrusion/Aluminium CNC-11b-jpg   Just another extrusion/Aluminium CNC-12b-jpg  

    Just another extrusion/Aluminium CNC-33-jpg  


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    Default Re: Just another extrusion/Aluminium CNC

    What kind of couplings are you using for the nema 24's and the threaded rods?



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    Default Re: Just another extrusion/Aluminium CNC

    Quote Originally Posted by umfan110 View Post
    What kind of couplings are you using for the nema 24's and the threaded rods?
    Simple 30mm diameter jaw couplings.

    https://www.cnc-discount.com/wellenkupplungen/122



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    Default Re: Just another extrusion/Aluminium CNC

    The Y Axis is aligned. The Ballscrew for the X Axis arrived today.

    Just another extrusion/Aluminium CNC-main1-jpg


    To make things more rigid I mounted a 120x80 Profile to the back.

    Just another extrusion/Aluminium CNC-detail-jpg

    Attached Thumbnails Attached Thumbnails Just another extrusion/Aluminium CNC-main1-jpg   Just another extrusion/Aluminium CNC-detail-jpg  


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    Default Re: Just another extrusion/Aluminium CNC

    Aligned the X Axis:

    X left:

    Just another extrusion/Aluminium CNC-xleft-jpg


    X center (after tightening the slave rail it changed to 0.03mm which is still fine for me):

    Just another extrusion/Aluminium CNC-xcenter-jpg


    X right:

    Just another extrusion/Aluminium CNC-xright-jpg

    Attached Thumbnails Attached Thumbnails Just another extrusion/Aluminium CNC-xleft-jpg   Just another extrusion/Aluminium CNC-xcenter-jpg   Just another extrusion/Aluminium CNC-xright-jpg  


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    Default Re: Just another extrusion/Aluminium CNC

    Just a small update. It is almost done.

    Attached Thumbnails Attached Thumbnails Just another extrusion/Aluminium CNC-chain-jpg   Just another extrusion/Aluminium CNC-full-front-jpg   Just another extrusion/Aluminium CNC-fullb-jpg  


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    Default Re: Just another extrusion/Aluminium CNC

    Hi. Today I recognized that the stepper drivers were not connected to the +5V Terminal. Only the step- and dir- was connected to the board. But step+ and dir+ were not connected to anything. The stepper worked.

    Could someone explain why it worked?


    The drivers are DQ542MA, wired active low, but I forgot to connect the +5V.



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