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Thanks for the input Ron yes that is the plan. I have and am familiar with Mach3 and will migrate to Mach4.

I have a machine that was working fine. Doing x axis test 0 to 200 and back no problems. Y axis however gain or lost 0.1 to 0.3mm randomly. Problem was dirty linear bearing and some evidence of the

All solid Also, whatever the error is, it is on BOTH X & Y axis. Almost like there is a scaling factor somewhere

If you are going to convert why not come up to the latest and use mach4. It runs plasma fine, as well as mill and turn.

If you use the MDI screen, set relative mode and use repeated G1 (x or y) 0.5 (mm). Does it advance .5 mm each time as show on a dial gauge? Cheers, Chuck Hackett "Good judgment comes from experience,

I am starting to convert my Plasmacam to run MACH3 plasma. Is everybody happy using Mach3 as a plasma machine?

Check everything mechanical between the motor and tool. Shaft couplers, belt pulleys, belt tension, ballnut mount, bearing blocks. Perhaps the the shaftcoupler is slipping or the ballscrew isn't held

I have a 3 axis router (dual X) running ballscrews. It has work fine for a few years now, but started to cut off-size, and in consistant Doing a steps/mm check over 1m, and accuracy is better than

Open Mach3 and go to Config>General Config and change the IJ mode to Absolute - see if this fixes the issue. [email protected]> wrote:

I have a simple g-code file that I generated using both FreeCAD (headset 6.nc) and MeshCAM Ver 5 (headset 5.nc).? FreeCAD does not have a Mach3 specific post processor so I used LinuxCNC as the

I don't see a G90 after G91.1 so it might be in incremental mode

If you are using the standard screens, try clicking on the thin REF ALL HOME button as well as the ZERO buttons. I saw some weird offset problems once till I did this. Regards, Les Grant.

Delete the line of code? G00G43Z1.8000H2. Dan

Thank you!

You have a line G00G20G17G90G40G49G80 that turns off the tool length compensation in Mach 3. Three lines later in your program you have G00G43Z1.8000H2 which turns on the tool length compensation in

I thought it might be Aspire, but if I reset Z zero a 2nd time after changing the bit (after I've already done one Z zero and the program runs off by 1"), I then close the G Code and re load it and

Does this help?? It is the Profile Cut rhat wants to go 1" lower than Z zero when I first run the program after setting Z zero; ( Profile Cutouts .25_ DC EM ) ( File created: Friday November 29 2019

The tooltable has no tools entered and no inputs.

I helped another customer that had Aspire and the problem was with the setup info in Aspire. Can you post the first 10 lines of the aspire G code . That may give us the clue to what the setting

Check the Mach3 tooltable, and make sure there are no tool lengths entered. The default Vectric post processors use a G53 Tool Length Offset.