Can I move two motors with a single axis?

[soko]

Hi,

I’m new to Smoothieboard and smooothieware.

I would like to know if it is possible by modifying the config.txt configuration file to assign two different motors to the same CNC axis.

For example, when I send the G0 X10 command instead of moving only the X motor, also move the Z motor at the same time.

Thank you

[mcdanlj (Michael K Johnson)]

This is really “slaving” the gamma driver to the alpha driver, rather than Z to X, from the perspective of smoothieware. At least one way is to disable gamma step, dir, and enable in config.txt (leave gamma_current correct), and use a jumper to connect STEP, DIR, and EN from the alpha driver to the gamma driver.

Slave and Axis

I have a CNC router with a dual Y axis. The standard drivers are not quite up to running 2 motors very well. I was wondering if I can slave the extruder axis as the second Y. Would this be done better in Smoothie with a new module? Imported from wikidot

Hi. Anyone with experience using azsmz board and getting dual Y?

Yea Hmmm I realize that… I assumed the board would have the jumper capability readily present ~ I have been trying to look for such on the schematics… that is your biggest hurdle ~ I went with the SmoothieBoard 4X for that very reason ~ as it has 4 stepper drivers and is easy to set up the jumper ~ jumped the Y(m2) to the E(m4) ~ easy to pin out for the jumper ~ if you solve that problem then it’s just a matter of the config file and if I recall you need to wire one of the Y motors reverse (I…

@Arthur_Wolf I don’t see config.txt options documented for configuration-drive axis slaving. Did I miss something?

[soko]

First, thank you very much for the answer, I understood how to do it.

I found info here: http://smoothieware.org/laser-cutter-guide#doubling-stepper-motor-drivers

I thought there was some way to do it by configuration without having to resort to physical bridges.

thanks