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Author Topic: Mach3 How to use A Axis(Stepper) as Spindle?  (Read 264 times)

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Mach3 How to use A Axis(Stepper) as Spindle?
« on: October 15, 2020, 09:18:56 AM »
hi!

i have bought a rnr motion control eco v2 usb unit.

this unit not support dir/step on spindle.

now i want to use my A Axis as Spindle.
my A Axis is a Nema34.
i know that a stepper is not a good choice.
i want to test something and play arround.

i read that SwapAxis(3,6) change the A Axis to Spindle.
but if i enter this in the commandline in Mach3 i got an error.

how is the swapAxis function to use?
where do i enter it?

thanks

Offline TPS

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Re: Mach3 How to use A Axis(Stepper) as Spindle?
« Reply #1 on: October 16, 2020, 01:41:24 AM »
it is to use in a VBScript.

Operator -> VB Script Editor
anything is possible, just try to do it.
if you find some mistakes, in my bad bavarian english,they are yours.
Re: Mach3 How to use A Axis(Stepper) as Spindle?
« Reply #2 on: October 16, 2020, 10:00:57 AM »
thanks! but now... i dont know how to write this script that it work.... i am absolute new with mach3.

can you show me a example please?
thanks

Offline BR549

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Re: Mach3 How to use A Axis(Stepper) as Spindle?
« Reply #3 on: October 16, 2020, 12:56:05 PM »
Where did you read that you can swap axis with the spindle ?? The spindle is not classed as an axis so I do not believe what you want to do is possible in Mach3. Even IF it worked when you swapped you would NOT have a normal spindle operation. I have done cylindrical grinding AND offset grinding (cam grinding ) with mach3 but it takes special considerations in scripting(macros) and CAM to make it all work.

Just a thought, (;-) TP

Re: Mach3 How to use A Axis(Stepper) as Spindle?
« Reply #4 on: October 17, 2020, 10:10:39 AM »
i read it in some threads and see it in a video.

for me its interesting to drive AAxis as Spindle.
can someone please explain me?
thanks