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  1. #1
    Join Date
    Dec 2017
    Posts
    13

    Electronic gear ratio

    Hello,

    I bought chinese cnc router 1325. It is cheep router with clasic steper motor. I upgrade it with serwo motors i bought recently. I have 750w motors with DELTA ASD A2 servos, and i need to insert correct electronic gear ratio so machine will work.
    From suplier of machine originaly i get this calculation that i just put in nc studio and machine worked good:
    x = 0,01042 mm/pulse
    y = 0,01042 mm/pulse
    z = 0,00625 mm/pulse

    since i changed only motor and machanical things on machine was the same as before, can from this result be calculated electronic gear ratio that i need now?

    Thank you for any help.

  2. #2
    Join Date
    Mar 2003
    Posts
    35538

    Re: Electronic gear ratio

    Do you know what the microstepping was set to on the stepper drives you removed?
    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
    Dec 2017
    Posts
    13

    Re: Electronic gear ratio

    http://www.cnczone.com/forums/attach...d=381126&stc=1
    Quote Originally Posted by ger21 View Post
    Do you know what the microstepping was set to on the stepper drives you removed?
    Attached Thumbnails Attached Thumbnails 25198888_10156093446921600_586849461_o.jpg  

  4. #4
    Join Date
    Mar 2003
    Posts
    35538

    Re: Electronic gear ratio

    Your stepper motors were set to 1600 steps/revolution.
    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
    Dec 2017
    Posts
    13

    Re: Electronic gear ratio

    So if i understand correctly, the P1-44 parameter for delta should be set to 1600, and P2-45 ?http://www.cnczone.com/forums/attach...d=381128&stc=1
    Quote Originally Posted by ger21 View Post
    Your stepper motors were set to 1600 steps/revolution.
    Attached Thumbnails Attached Thumbnails Capture.PNG  

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