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Laguna Swift 4X4 CNC mill retrofitted with OpenBuilds

Discussion in 'CNC Mills/Routers' started by Quentin Karmark, Jul 22, 2021.

  1. Quentin Karmark

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    Quentin Karmark published a new build:

    Read more about this build...
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Use the Troubleshooting Tab in CONTROL to test.

    Needs good electrical conductivity between magnet > whatever is in between > plate. Coated endmills may not be conductive, and the magnet usually makes better contact on the collet nut than the bit itself. Use the Troubleshooting tab to test - lift plate up to touch endmill while watching the Probe indicator on the Troubleshooting tab.
     
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  3. Quentin Karmark

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    great, thanks for the suggestion, will let you know!
     
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  4. Ariel Yahni

    Ariel Yahni OpenBuilds Team
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    I would definitely want to see it in action with the retrofit!
     
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  5. Quentin Karmark

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    that could be arranged... anything in particular of interest?
     
  6. Ariel Yahni

    Ariel Yahni OpenBuilds Team
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    Some nice shots of the machine parts setup and something being cut? This will surely provide some perspective to the community
     
  7. leftyhokum

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    Wondering the size of the steppers. I have Nema 23 that are 4.2 amp and I saw on another post that Peter said they would work with the Blackbox even though it says up to 3 amp motors. I had it up and running but the machine lost where it was at in the Y direction. Could this be a tuning thing or are the motors just to big.
     
  8. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Will work, but they won't perform as well as ours. High current rating, but mainly those tend to be High inductance (self braking EMF limits top speed) and sometimes also higher coil resistance (limits acceleration). Our motors were spec'ed for optimal electrical specs too
     
  9. leftyhokum

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    Can you expand a little please. Not work as well or like now I’m guessing missing steps? Do I adjust something so it doesn’t get lost?
     
  10. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    I replied to your question about the 3rd party motors. They'll "work" but "as good as ours" because of the technical differences highlighted in my reply. They will be slower, weaker and accelerate more slowly (likely). But you already have them, so might be fine to compromise a little performance to avoid the purchase of new ones
     
  11. leftyhokum

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    I do appreciate the reply and I do understand that your motors would work better but like you say we already have those motors and for now if they would work then that's what we need to do. My real question is what parameters do I need to tweek in the software?
     
  12. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    As its a custom machine, pretty much all of them - have a read through Grbl v1.1 Configuration

    Start with a profile of one of our machines, and tweak from there, its a different drive system so steps per mm, acceleration, max rate, etc will all be different
     
  13. leftyhokum

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    Thanks!
     
  14. Kenneth Martin

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    Any updates on this build? I was curious to know how the Blackbox was doing with this large machine. I currently have two Gerber 4x4 routers that were gifted to me. They are no longer supported, so I gutted the electronics and will go a different route. I have a Mach3 license and some most of the components to fully change one out. All nema 34. But nema23 would be an easier route. I would like to know if I can go 4+ amps on the motors. the gantry, though aluminum, is quite heavy. Maybe I will start a build thread. I am currently running a Blackbox X32 on my Onefinity X-35 Woodworker.
     

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