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OX variant Build v.1

Discussion in 'CNC Mills/Routers' started by Stephen Oberlin, Nov 26, 2014.

  1. Stephen Oberlin

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    Basic build specs:

    - 1500mm (X) x 1000mm (Y) x 300mm (Z)
    - NEMA 23 steppers all the way around
    - OX variant build
    - TinyG motion controller
     
  2. Stephen Oberlin

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    I'm likely blind but what is the best way to connect 2 motors for the X-axis drive?

    I've seen methods were a terminal block is used to split the signals out of one driver,.

    But I was wondering if there is another way where you can use the 4th motor driver to power the 2nd X-axis motor as a slave to the motor 1 position. As i have seen other boards that have a slave terminal block that runs in conjunction with the 1st X-axis.

    Also we are using NEMA 23 motors on this build so i was worried about the draw from 2 motors being split from one motor driver.
     
  3. dddman

    dddman Master
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    you can set your 4th driver to act as a slave of another driver
     
  4. Stephen Oberlin

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    This will be in the tgFX software with the TinyG ?

    just to clarify
     
  5. dddman

    dddman Master
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    $1MA - MAp motor to axis
    Axes must be input as numbers, with X=0, Y=1, Z=2, A=3, B=4 and C=5. As you might expect, mapping motor 1 to X will cause X movement to drive motor 1. The example below is a way to run a dual-Y gantry such as a 4 motor Shapeoko setup. Movement in Y will drive both motor2 and motor4.

    $1ma=0 Maps motor 1 to the X axis
    $2ma=1 Maps motor 2 to the Y axis
    $3ma=2 Maps motor 3 to the Z axis
    $4ma=1 Maps motor 4 to the Y axis

    This may interest you: https://github.com/synthetos/TinyG/...Firmware-Version-0.97#1ma---map-motor-to-axis
     

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