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Thread: Stepper Motors

  1. #1
    Activation process ironclad246's Avatar
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    Default Stepper Motors

    I have a Xylotex 3 axis board with 4 wire steppers (Nema23), Mach3, XP Desktop, HP 20.7" flat monitor. When I jog my motors 4 inches, the Mach3 DRO shows 4 inches but actual travel of my mill table is only about 3/8 of an inch. Motor tuning is:
    Steps Per - 2000, Velocity 175, Acceleration 25 and the Pulse - 1 and 1.ted. Thank you,


    Suggestions appreciated. Thank you,


    Ray

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  2. #2
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    Default Re: Stepper Motors

    What happens when you up the "steps per" by a factor of 10?

    [FONT=Verdana]Andrew Werby[/FONT]
    [URL="http://www.computersculpture.com/"]Website[/URL]


  3. #3
    Community Moderator ger21's Avatar
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    Default Re: Stepper Motors

    Is it lead screw, belt drive, rack and pinion?
    What's the gear ratio of the system.
    The default Xylotex setting is 1/8 microsteps, or 1600 steps per stepper revolution. So I doubt 2000 steps/inch is the right number.

    Also, set the pulse widths to at least 2 or 3, instead of 1.

    And make sure the Mach3 default native units are the same units you are using.

    Gerry

    UCCNC 2017 Screenset
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    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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