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IndustryArena Forum > WoodWorking Machines > DIY CNC Router Table Machines > Mach 3 setup - buildyourcnc 1.2 kit and xylotex kit
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  1. #1
    Join Date
    Jul 2006
    Posts
    8

    Question Mach 3 setup - buildyourcnc 1.2 kit and xylotex kit

    OK, I'm gonna try to include everything important.
    Let me know if I need to provide more info.
    Total CNC newbie but tech savvy.

    I have a Buildyourcnc.com kit (Ver. 1.2) fully assembled.
    It uses 1/2" leadscrews bought at Lowes.
    My steppers and controllers are the Xylotex 3-axis kit with 269oz motors.

    I just can't seem to get mach3 dialed in.
    I have the pins and ports section pretty well handled, it's the motor tuning that has me stumped. I tried to cut the roadrunner and it's very small.
    Somebody please, enlighten me.

  2. #2
    Join Date
    Jun 2003
    Posts
    3312
    Have you set your steps per inch?
    Phil, Still too many interests, too many projects, and not enough time!!!!!!!!
    Vist my websites - http://pminmo.com & http://millpcbs.com

  3. #3
    Join Date
    Jul 2006
    Posts
    8
    I don't think I have. Where would I do that in Mach and what do I set it to?

  4. #4
    Join Date
    Jun 2003
    Posts
    3312
    Phil, Still too many interests, too many projects, and not enough time!!!!!!!!
    Vist my websites - http://pminmo.com & http://millpcbs.com

  5. #5
    Join Date
    Jul 2006
    Posts
    8
    Thanks, I see where to put it in now but don't see anything in my documentation about the "steps per inch" for my motors!? Google isn't being helpful either.

  6. #6
    Join Date
    Mar 2003
    Posts
    35538
    If you're screws are 13 tpi, then it's 13 x 200 x 8.
    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)

  7. #7
    Join Date
    Jul 2006
    Posts
    8
    Gerry,
    Thanks for that info. Let me see if I've got it straight.

    tpi x 200 x 8 = Steps per

    What does the 200 and the 8 represent?

  8. #8
    Join Date
    Mar 2003
    Posts
    35538
    Stepper motor = 200 steps/rev
    Xylotex default is 8 microsteps.
    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)

  9. #9
    Join Date
    Jul 2008
    Posts
    91
    200 = steps per revolution of your motor.
    8 = microstepping setting. I believe you can change the jumpers to change it from 8x to 4x, 2x, and 1x.

    EDIT: Got beat to it :-(

  10. #10
    Join Date
    Jul 2006
    Posts
    8
    Okay! Now it's starting to come together and make sense!
    I'm gonna have to pause my CNC fiddling for tonight though.

    I've managed to cut a few half roadrunners. I'm almost ready to plot down the cash for Mach3.

    Still have some tweaking to do.
    Thanks again.
    :banana:

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