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  1. #1
    Join Date
    Feb 2005
    Posts
    234

    Question How do you "connect" dual motor X axis ?

    is there anyone ever explain in drawing in this forum ?
    any website / info about this ?

    rud

  2. #2
    Join Date
    Mar 2003
    Posts
    35494
    You can use Mach2 and use the slaving option to link them in the software, or you can drive two drivers from the same step and direction pins. It's not a good idea to physically connect 2 motors together.
    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
    Aug 2004
    Posts
    2849
    It not even a good idea to use 2 motors to drive the same axis. The motors, drivers are not matched and are at best loosely synchronized.

  4. #4
    Join Date
    Feb 2005
    Posts
    234

    Question 2 motors for X axis ?

    so how you deal with big Y axis arms ? that required 2 motor for X .
    I see alotta big CNC using 2 X axis motors.

    is there some kind of Syncronize stuff ?

    rud

  5. #5
    Join Date
    Mar 2003
    Posts
    35494
    Quote Originally Posted by ViperTX
    It not even a good idea to use 2 motors to drive the same axis. The motors, drivers are not matched and are at best loosely synchronized.
    Shopbot and many other commercial router manufacturers have been doing it for years.
    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
    Aug 2004
    Posts
    2849
    Yes, and their stuff is not under $2K. You have to use the driver and software and feedback from the motor to synchronize the movement...it's not a trivial task. You can't just throw in a few Geckos connected to Mach2 and have a commercially viable product.

  7. #7
    Join Date
    Mar 2003
    Posts
    35494
    Shopbots prior to the new models introduced a few months ago had no feedback. As for Mach2 with slaved Geckos, plenty of people use it just fine with no problems.
    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)

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