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  1. #1
    Join Date
    Mar 2003
    Posts
    6855

    Running Mach3 for laser cutting questions

    Ok here is what is working for me, I'm using the z to turn on and off the laser BUT I have one problem. When the file is done cutting and I hit the go to zero the laser turns on, of course I know why because it's Zing down to zero which turns the laser on.

    How can I get the head to go to the home position after it's done cutting instead of just sitting there?

  2. #2
    Join Date
    Mar 2003
    Posts
    35538
    Add G0 X0 Y0 at the end of your g-code. You could also make a button on the screen with the code to do it. Don't ask me how, though.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3
    Join Date
    Mar 2003
    Posts
    6855
    That's the sames as the "goto zeros" in mach right? that's the problem in doing that the z move to zero which in moving in the down postion and that will turn the laser on which is what I don't want, I need it to just move to home with-out moving the z.

  4. #4
    Join Date
    Mar 2003
    Posts
    35538
    Don't put a Z in the line. Just G0 X0 Y0
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  5. #5
    Join Date
    Mar 2003
    Posts
    35538
    What are you using to make g-code? You should be able to automatically add it to every file.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  6. #6
    Join Date
    Jun 2003
    Posts
    2103
    Paul I am pretty sure you can take care of this problem in screen designer by opening the 1024.set file and editing the go to z's button. Double click on that button and it should show you what is being called by the program. there may be more than one way to do this, knowing how Art makes this program as universal as possible.

    Mike
    No greater love can a man have than this, that he give his life for a friend.

  7. #7
    Join Date
    Apr 2004
    Posts
    22

    Hi All,

    I have mach 3 running a laser fine I use the spindle PWM output to vary the laser power this seems to work great. I also set the Mach to 2D mode. I think this may be your problem.



    Please post comments on our forum if you need help as I'm only poping in here and may not reply. Thanks

    Best Regards

    Mike Gaylor

  8. #8
    Join Date
    May 2007
    Posts
    250

    Laser

    Hi All,

    Mach3--> Laser--->Vector is good
    Laser---> Raster is bad


    Cheers,
    Mongkol

  9. #9
    Join Date
    Aug 2007
    Posts
    5

    how tu cut in moshidraw

    hi all i bought 40watt chines machine its work nice for engraving but i dont know how to cut.its run on moshi draw.can any one halp me.how to use cutmode in moshidraw.
    regards
    dinesh gajjar

  10. #10
    Join Date
    Aug 2005
    Posts
    98
    Good day, Mike Gaylor,

    How do you configure the spindle PWM for laser output? What are the settings involved in tuning the PWM spindle? How does it tune the laser; by g-code or by manually pressing the buttons located in the spindle section? Thanks in advance =)

    sunmix

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