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Openbuilds Table Top 50w Co2 Laser Cutter/Engraver

Discussion in 'Laser Cutters' started by pedrofernandez, Jul 5, 2019.

  1. pedrofernandez

    Resident Builder Builder

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    pedrofernandez published a new build:

    Read more about this build...
     
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  2. GrayUK

    GrayUK Openbuilds Team Elder
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    What an Excellent job!!!!! :thumbsup::thumbsup::thumbsup::thumbsup::thumbsup::thumbsup::thumbsup::thumbsup::thumbsup::thumbsup:
    Great workshop as well. :D:D
    Really Well Done.
    Gray
     
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  3. Mark Carew

    Mark Carew OpenBuilds Team
    Staff Member Moderator Resident Builder Project Maker Builder

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    Wow! such a great Build. Thank you for the in depth share this will go a long way in helping others learn and this is what OpenBuilds is all about!
     
    pedrofernandez likes this.
  4. pedrofernandez

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    Welcome Mark, uploaded the Z axis idea just know, also if you notice any grammar issue that you think should be corrected let me know, English is not my primary language
     
  5. Ryan James

    Ryan James Journeyman
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    I do have one question. You're worried about the Y axis staying square so you're using a single stepper but going with a 4 stepper setup for the Z. Now you're introducing 4 points of failure that would cause the bed to be off level. How are you compensating for that?
     
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  6. pedrofernandez

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    Im not sure what are you trying to address with your concern for a Z axis motion on a co2 laser cutter, the primary reason of the Z axis is for focusing purposes, meaning the work bed will not be moved during a cut, this is not a 3d printer with a Z axis constantly in motion, there is not Z axis gcode involved during a laser cut in this machine, the z table moves by just a "jogging" button on the laser control panel, if one or multiple motors fails there is no risk or hazard involved at all, on the contrary Y axis it is a big concern for common reasons.
     
  7. Ryan James

    Ryan James Journeyman
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    I guess if you're not planning to move the Z during a process, that's a good point. However, you'll have to level the bed more frequently before cutting. My plan is to get the Z to move during cuts since a cut focus should be different than an engrave focus.
     
  8. pedrofernandez

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    yes a single motor closed loop belt it is the option for your type of engraving, I always double check my focus for every cut job, the primary reason for the 4 motor setup is to lift the massive 20lbs chuck rotary, to do that with a single motor, a pretty decent nema23 at least will be require with nice closed loop belt and pulley setup, I did the research the 4 motor setup end up cheaper.
     
    GrayUK likes this.

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