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1

General Mach Discussion / What Is My Read-Out Reading Out?

« on: July 13, 2021, 07:50:04 AM »

I've asked this question elsewhere, but I think I didn't ask it clearly enough.

What is my DRO showing?

After setting the Y axis to zero, I jogged my machine along the axis one physical inch. My Mach3 is, and always has been, set to millimeters as the measurement unit. After this move, I would expect the DRO to show 25.400 (mm). If it somehow got reset to inches, I would expect the DRO to show 1.000 (inches). My actual read-out was 4.066 (whatever).

Would anyone care to repeat this little exercise on their own machine and share the result?

Not sure what is going on here. I have no idea how to inform Mach3 of the size of my table, and trying to set work coordinates results in odd positioning in the display window.

Thanks!

2

General Mach Discussion / Confused on Units

« on: July 11, 2021, 02:55:44 PM »

I was just coming up the learning curve with Mach3 when the pandemic hit. After 15 months away from my machine, I find that I'm having problems with setting machine and work coordinates (probably due to fumbling fingers here). It's depressing how much info you can forget when you don't use it. My Mach3 is set up in millimeters, but when the axes move, the numbers displayed are much lower than what I'd expect. For example, when the Z axis moves up 20 mm (as measured with a steel tape measure), the readout shows a movement of only 4-point-something. Is this normal? If not, how do I remedy the problem?