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Thread: Lab-volt Router Rebuild

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    Default Lab-volt Router Rebuild

    I am rebuilding a Lab-Volt C.N.C. Router, When I first took it apart it had non-working stepper motors and electronics. When I took it apart I didn't intend on rebuilding it originally so I don't have all of the parts. I have replaced the X and Y axis stepper motors with newer Nema 34 stepper motors. In the process of putting it back together, the Z-axis ball nut fell off so I am going to have to replace the Z-axis screw and nut. For the electronics, I am using an Arduino with the GRBL firmware to control it. The spindle is a 110v 1.5kw C.N.C. spindle. I have recently started documenting to rebuild on my youtube channel.

    Here is the first video -


    Here is the second video -


    I will be posting more information on my progress on this build thread soon.

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    Default Re: Lab-volt Router Rebuild

    For the z-axis of the C.N.C. I was thinking about using this ball screw - https://www.amazon.com/gp/product/B0...KQ1YPBBY&psc=1
    I would probably use the same Nrma 34 stepper motor that I purchased for the x and y-axis - https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
    Does anyone know if that will be powerful enough to power the z-axis, the steel plate on the z-axis is about 20 pounds and this is the spindle it probably ways around 10lbs - https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1



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    Default Re: Lab-volt Router Rebuild

    I added a stand to the CNC here is a picture of what the CAD model looks like with the stand on it. According to the CAD model, the machine weighs 550lbs. This CAD model also shows what I am thinking of using for a dust shoe It is the wooden piece on the spindle.

    Attached Thumbnails Attached Thumbnails Lab-volt Router Rebuild-assembly-jpg  


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    Default Re: Lab-volt Router Rebuild

    Quick update the machine is now on the stand in real life I did have to take it apart to the 2 frame pieces which means I am going to have to retram the x-axis to the machine. I am going to make an enclosure for the electronics in the stand and if I decide to do have a coolant system I will also have the coolant tank in the stand.

    Attached Thumbnails Attached Thumbnails Lab-volt Router Rebuild-cnc-stand-jpg   Lab-volt Router Rebuild-cnc-stand-2-jpg  


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    Default Re: Lab-volt Router Rebuild

    I added a switch to control all of the power going to the electronics there is a junction box on the back of the machine where I am going to add an outlet for the computer and monitor so that they are not controlled by the power switch. The machine will just have one plug leaving the machine which is nice. The electronics are currently mounted on the front of the stand I might remake the electronics board when I build an enclosure so That the electronics are enclosed away from the chips but this setup will work for now. Sorry, that the pictures are rotated I took the pictures on my phone.

    Attached Thumbnails Attached Thumbnails Lab-volt Router Rebuild-img_6261-jpg   Lab-volt Router Rebuild-img_6262-jpg  


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    Default Re: Lab-volt Router Rebuild

    Looks like a fun project. What are you using for control Linux CNC? What interface board are you using?

    Sounds similar to my project. The steppers and drivers were there and worked, but the front end PC was gone. I replaced the OEM controller with a SmoothStepper and Mach 4.



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    Default Re: Lab-volt Router Rebuild

    I am not using linux cnc i am using an arduino with the grbl firmware on it and controlling it using universal g-code sender. I might upgrade to mach 3 in the future but for now i am using an arduino because of the price.



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