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Thanks for the fine suggestions!
I haven't done the dismantling of a ball screw before. I guess there's always a first time.
I just hope I can put it back together once I get it all opened up....

Thanks for sharing your experience!
Would Fluid film also form a wax like layer on the ball screws or wherever its sprayed on?
In that case would it tent to clog the ball screw / ball net etc. and...

I have a tabletop CNC that's beginnig to rust. The rust has started to show up especially on the ball screws. While reading for solutions on CNCZone I came across Fluidfilm. I just need to confirm if...

Thats a good idea will try that asap!

Somehow the dust seems to be embedded into the PCB, I tried cleaning with a soft brush but the dust isn't coming off. Probably will need some water to get it off?

Thanks for the amazing suggestions A_Camera and Citizen of Dreams.
I did a run of a test pcb with Autoleveler and then milling it.
Twice the machine lost track of where it was and while the gcode...

Thanks, Thanks and Many Thanks, I tried the Basic Viewer and its awesome.

Many Many Thanks!
This is some pretty amazing information. I like the way you do multi pass milling, never thought about it before.
How do you generate the multpasses does your gcode plugin do it...

Would you mind sharing what Gcode simulator you use or alternatively a usable Gcode simulator, I ran a search and ended up with https://camotics.org/
along with a few other browser based ones.
But...

Will 7000rpm for spindle suffice for isolation milling / drilling / routing of PCB's?
I have 400W spindle, it used to run @ 9000rpm but its power supply(48VDC) blew off and now I'm running at 36VDC...

Thanks for the updates,
So the problem is that Autoleveler might generates some spikes or valleys in the final g-code. And this would be visible in the 3D view of Autoleveler, correct?
Secondly I ...

Hi, it would be too early for me to say if the UC400ETH works 100% ok, I was just very happy to see the log file generated, with certain different values of X, Y and Z althought the values looked...

This is some amazing information,
After struggling with my USB controller for days, I finally gave up yesterday and switched ot a UC400ETH Ethernet controller and I got results of probing file...

Okay, but isn't M40 a Mach3 specific command, I mean as soon as M40 is encountered in the gcode Mach has to write the values of X, Y, Z to disk.
Ok so it seems I may have to move to a Parallel port...

I did some more tests,
Where I deleted the M2002 from the .NC because I thought there may be something wrong with that.
But still no results.
I have attached the triplet log file and the PFG file....

I made a file M2002.m1s in the profile dir that I'm using and pasted this

SetVar(2002,getoemdro(802))
inside it

Ok, so I'm hitting some roadblocks again. I have detailed it here G92 codes not being generated in PFG file - AutoLeveller
1. The PFG file that is generated by Autoleveller does not contain the G92...

OK, I get it now, the #2002 and #500 are only used to store the corrected Z values into memory. so that the subsequent routing process can use these.
Where as in PFG these are directly logged to a...

I had tried the Custom Option settings in Autoleveller but somehow nothing was being generated in the output file. I've put in a question at the Autoleveller forum.
Please see my post over here
...

OK, to anyone who has this problem.
CitizensOfDream was right it seems to be a problem related to certain USB controllers.

So the solution is in this thread

Aircuts on Mach3 USB NcUsbPod -...

Thanks for the link, the OP in that post seemed to have solved his problem with another version of Mach3. So I don't know how much it has to do with a USB controller. I have a chinese controller...

I checked and the inputs seem to be opto isolated, so that some what minimizes the possibility of noise. I'm running out of ideas now.

I will open the controller box and see what it looks like.
In the meanwhile this is the controller that I'm currently using.

I did the and the Digitize led does light up when the probe touches.
Also I added M0 statements after each line so that it pauses and I can debug the code. And it did do the first 10 steps...

Ok! so I tried several things more.
First I downloaded the older version of Autoleveler (the standard one).
Then I generated the probe file.
Then on running the first time it gets stuck at some...

BTW. Where should I be checking for the messages?

Thanks for the info, its good to hear that he problem is some minor issue.
Files attached.

There may be some difference in setting in the generated NC file vs the attached screen shot, since I...

I'm using the autoleveler from https://www.autoleveller.co.uk/.
Currently I'm using the Autoleveller AE (Advanced Editor)
I loaded the test pcb file that they have on their website and generated a...

What would be the best way to drill holes on the circular face of a cylinder. The holes are pretty random and don't have any specific pattern as such.
The mill that I have is an el cheapo 5axis...

Yes indeed that was a typo. I mean the 75T is correct.
so the ratio is 75/16 = 4.6875
And then the steps per rev for the chuck pulley would be 7500.
So how do I accurately step the A axis by 7500...