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CNC4Newbie Controller swap

Discussion in 'CNC Mills/Routers' started by Dion M, Apr 13, 2025 at 7:16 PM.

  1. Dion M

    Dion M New
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    Hello I am new here, but wanting to add a Laser to my table. I have a Cnc4nnewbie 4848 with VFD 2.2kw air spindle running off Uccnc to the Gecko G540. The 4 axis all have Nema 23 269oz. stepper motors.

    I have purchased an OPT laser with Lightburn and would like to use Vcarve laser module. I am starting to think holding on to Uccnc is not going to happen since lasers do not want to play well with it.

    I have looking at the CNC Electronic Bundle in the shop, should I replace mine with the high torque oe will I be fine?

    is this all I would need to get running again?
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    To determine if you can reuse your existing motors, check your motors' electrical specs:



    BlackBox will work best with motors that have 3-6v coil voltage (higher = slower acceleration), 1-4mH inductance (any higher and they will be slower on top speeds) and 1.7-3.2A Current (rated much higher will be low on torque).



    We would also usually recommend fitting our recommended PSU Electronics & Software - Power Supplies - OpenBuilds (BlackBox likes good, clean reliable 24v power) and our limit switches, they are filtered - which helps a lot with potential EMI issues: docs:blackbox-x32:connect-xtension-limit [OpenBuilds Documentation] - note they need a 3-conductor cable so if your existing switches uses 2-wires for example, you'd also need some 3-conductor cable to replace it with: Xtension Wire By the Foot



    Checkout docs:blackbox-x32:start [OpenBuilds Documentation] ahead of time, see what you have and hows it wired up, and what else you may need.



    As for laser jobs, checkout https://us.openbuilds.com/lightburn/ too - usually a better option than Vectric. See docs:software:overview [OpenBuilds Documentation] as well
     
  3. Dion M

    Dion M New
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    I just ordered the CNC Electronics Bundle with new high torque motors and the interface CNC touch. I have been trying to figure out how to and where to mount as the old controller is in back under the table will I need to touch the black box once everything is hooked up?
     
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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