I would like to make a user action that lowers the z depth by a certain amount. I use the machine to flatten a good bit of live edge slabs and am having to jog down to the z and set zero when trying to take off a few thousandths at a time. Just thought that a user action may be easier if it is possible. I would like to be able make a couple different ones that lower the Z zero by a set amount like .004, .014, 0.24, etc. Any help is greatly appreciated
I believe this will work if you switch into a Relative movement mode (EDIT: G90 not G20 as corrected below) and then make the motion (and then switch back).
Please verify by looking up the G-codes, and then test before committing.
G20 is Inch, G21 is metric (mm). G90 is Absolute positioning, G91 is Incremental (Relative).
However, I do this all the time by just typing in a value into the Z position rather than clicking “Set Zero”. If you move it to Z0.0, and then type in “0.014”, Z zero is now 0.014" lower.
In fact, I usually just add my offset amount to whatever is in Z at the time. So after a program it retracts to 3.738, and I want to take another 0.010" off, so I change that to 3.748 & rerun it.
Cool thing about this is when you are done, if you are going to use the same tool it’s already set at 0.0
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Thanks so much for our help. I hope I understand it correctly. So after my flattening program runs the machine retracts and goes to the back left. Where do i enter the 3.748 and that will effectively make a deeper pass by .010?
You don’t. You look at the current Z value, whatever it may be and add 0.010" to that number.
This one says 3.621, so you would type 3.631 or just change the 2 to a 3, and hit enter, instead of clicking on “ZERO Z”
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Sorry to chime in on your thread.
So instead of going back in and changing the tool path depth of cut in the file itself I can just reset the Z zero here and rerun the file to take of an additional .010” for a leveling or surfacing action?
If this is correct I will be saving some level of effort for sure.
Yes. And I usually enter a max depth of 0.0001", which gets rounded to 0.000 so I’m finishing the top off at Z0.0. Your first pass, if you’re touching off & cutting 0.010" at a time, you would set the Z to 0.010"
Awesome! Thank you. This process is much more efficient than adjusting the actual file and reloading etc.
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