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Reference sensor for CNC Tools

Discussion in 'CNC Mills/Routers' started by AK-Creation, Oct 31, 2016.

  1. AK-Creation

    AK-Creation Veteran
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    AK-Creation published a new build:

    Read more about this build...
     
    GrayUK likes this.
  2. Mark Carew

    Mark Carew OpenBuilds Team
    Staff Member Resident Builder Builder

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    Wow this is great @AK-Creation ! Thank you for the share
     
  3. MaryD

    MaryD Master
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    Awesome!
     
  4. AK-Creation

    AK-Creation Veteran
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    Hello Mark, Hello Mary,
    thanks for your comment! :)
     
  5. JustinTime

    JustinTime Master
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    I'm trying to understand how you incorporate the 26mm height into the g-code. In the sample you've posted it shows the z going down to 0.5, after the sampling of the sensor. How was the calculated and incorporated?
     
  6. AK-Creation

    AK-Creation Veteran
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    Hi Justin Time,
    it is very simple.
    The G28 Code is for Homing.
    When you use "G28 X0 Y0" - The Homing are only by the X and Y Axis. By reaching the limit switch the X and Y Axis position is "0".
    When you use "G28 Z" - The Homing are only by the Z Axis. And by reaching the Z limit switch ist the position "0".
    When you use "G28 Z26" (26 ist the complet high from the Sensor) - The Homing are only by the Z Axis. And by tiggerd the Sensor, the Z Homing position is set to "26 mm".

    My Cam Software (Estlcam) calculate the CNC Program from the "0" - Point to minus (the Hole -3 mm deep).
    The CNC Machine drive fast (F1500) to the "0,5 mm" Z Position and begin to mill the Hole (-3 mm deep).

    I hope I could help you.

    Sensor.JPG GCode.JPG
     
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  7. Anthony Bolgar

    Anthony Bolgar Veteran
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    Nicely done!
     
  8. AK-Creation

    AK-Creation Veteran
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    Thanks :)
     

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