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Topics - gobbya

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Good day,

Im jef from The Netherlands. And just busy with cnc a small year so im still a cnc noob mostly  :)

I have a problem with mach3. I had an older version of mach3 and that worked but i found out i couldnt change step en dir pulse setting so i bought the newest mach3 (3.043.066) and installed it.

I copied all old settings that worked to the new mach3  mill XML.

Now i could change the step en dir pulse to 4.

Problem i have now is that the movements are stuttery just like it pauzes really fast, the machine is not shaking but i can see and feel it more or less. This problem i did not have with the old mach3 version.

CV i checked at first but it was on CV mode, all other CV options unchecked in CV control. Lookahead on 200lines. Also on settings screen CV distance and feedrate are unchecked. Backlash is disabled also.

I then reinstalled the old version 3.041 which came with the machine when i bought it.

Ran the same gcode, smooth like butter movements, cranked the feedrate some higher and still smooth movements.

So it has got to do with settings new installed version, but i doublechecked and there are no differences in settings.

What could this be?

ps: gcode file enclosed

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