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Author Topic: Mach3 - calibrating so the tool palette is still correct?  (Read 231 times)

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Mach3 - calibrating so the tool palette is still correct?
« on: May 20, 2020, 09:16:25 AM »
Hello

I have to recalibrate my CNC machine, because whenever I tell the machine to go 2000mm on Y axis, it goes like 1890 or so. I know that I need to calibrate the thing, but I am not sure that it maintains the same location where my tool change palette is. I'm afraid that it will physically just tear through it or bump into the frames or something. My question here is, am I doing the calibrating thing right (tell your machine to move X amount of units - how much did it really move method) and can it cause anomalys like this where it would miss the tool change palette.

Thanks.
Re: Mach3 - calibrating so the tool palette is still correct?
« Reply #1 on: May 26, 2020, 08:27:20 AM »
Right so, I have calibrated the machine and as I was afraid, it does not stop at the tool change location anymore. Any help please?
Re: Mach3 - calibrating so the tool palette is still correct?
« Reply #2 on: May 26, 2020, 09:04:02 AM »
Realized something now, apparently it does not do enough steps to reach the nest of the spindle (tool?), but I calibrated the machine so it goes to wrong coordinates maybe? How can I change that?
Re: Mach3 - calibrating so the tool palette is still correct?
« Reply #3 on: May 27, 2020, 03:40:26 AM »
Right so I figured it out.

As I was calibrating, I did it wrong with only a distance of 100mm. I recalibrated it on a distance of 3000mm at of course it went better. Now I had my machine calibrated, but it did not go to the right location for auto tool zero or tool changing. The fix for that is following - go to operator - VB Script Editor - File - Open file - M6Start (script for tool changing) - then scroll to the very bottom and somewhere overthere you will see text lines with coordinates. For example X212.21 Y3020.2 or something like this. Now you will have to manually figure out the X or Y coordinate where each spindle nest is according to the new steps per unit measurement and change it in the script editor. Of course you would have to use machine coordinates for that. For auto tool zero, go to operator - Edit Button Script and click on auto tool zero (it should be flashing at this point). Somewhere should be another line with coordinates again (X202.21 Y2899.2 for example), again you will have to manually hover ontop of the location where your probe is and change the coordinates.

Great monologue I had here though. I'm really a rookie on Mach3 and hence the explaining might be a bit gibberish :D. Have a good one.
« Last Edit: May 27, 2020, 03:42:45 AM by JoonasM »

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Re: Mach3 - calibrating so the tool palette is still correct?
« Reply #4 on: May 27, 2020, 03:44:30 AM »
Great monologue indeed sir - I am pleased that you figured it out and thank you for sharing the solution.

Tweakie.
KEEP SAFE !