I just got around to using the z probe I got with my upgrade but when I set the height it starts cutting way too high. Is there a reason it raises up so high after I use the z probe. It works fine if I set z manually.
You have the probe on top of what your cutting and keep the same bit in after you set z?
Did you set the height of the Z-probe in setup?
Hi Brent… likely what Erik mentioned… check this out …
So I just had the same issue. Ran through the Z-probe set up, started the cut and the first pass was cutting air. I killed the cut and tried setting the Z-axis zero manually, resent the cut and it still cut air. I will mentioned I didn’t have this issue before the most recent driver update.
By touch plate you are talking about the brass puck? I don’t remember doing that when I got my machine back in Dec, and it has work just fine until today. Is this something that changed with the driver update?
I guess I should have clarified I am a beginner and this is my first CNC.
So which set of setting do you want me to post? The ones listed under settings at the very bottom, that look like this
$0=10 (step pulse, usec)
$1=255 (step idle delay, msec)
$2=0 (step port invert mask:00000000)
$3=4 (dir port invert mask:00000100)
$4=0 (step enable invert, bool)
$5=0 (limit pins invert, bool)
$6=0 (probe pin invert, bool)
$10=115 (status report mask:01110011)
$11=0.020 (junction deviation, mm)
$12=0.002 (arc tolerance, mm)
$13=0 (report inches, bool)
$20=0 (soft limits, bool)
$21=0 (hard limits, bool)
$22=1 (homing cycle, bool)
$23=3 (homing dir invert mask:00000011)
$24=25.000 (homing feed, mm/min)
$25=750.000 (homing seek, mm/min)
$26=250 (homing debounce, msec)
$27=1.000 (homing pull-off, mm)
$30=1. (rpm max)
$31=0. (rpm min)
$100=40.000 (x, step/mm)
$101=40.000 (y, step/mm)
$102=188.976 (z, step/mm)
$110=8000.000 (x max rate, mm/min)
$111=8000.000 (y max rate, mm/min)
$112=500.000 (z max rate, mm/min)
$120=500.000 (x accel, mm/sec^2)
$121=500.000 (y accel, mm/sec^2)
$122=50.000 (z accel, mm/sec^2)
$130=540.000 (x max travel, mm)
$131=540.000 (y max travel, mm)
$132=100.000 (z max travel, mm)
Checked the advance settings for the touch plate. Setting was set to .59, measure my plate at .589in. The gap i was experiencing during the cut appeared to be greater than that difference.
Yep, only the 750mm (if only I had a bigger shop I would have picked up the 1000mm)
No, I will try a reboot next.
I was playing around and noticed that when I zeroed out my z-axis (-0.002) and then sent the cut the z-axis would start is first pass at -0.508. and then step down from there.
Disconnected power from everything completely, rebooted the computer.
Same thing as listed above regardless if i use the touch plate or set the Z manual. Starts first pass at -0.507
After you probe z, try sending it to zero and see if it’s correct.
What do you mean send it to zero? Is there a way to do this in Easel without being in a project?
Well…sorry for the headache. I appreciated all the help though. Guess I will either have to get used to the variance or consider leveling my waste board.
I assume there is a post on here that details that, right?
Not yet. Honestly that is the first time I have gone into the grbl. I know who to contact now when I decide to make the switch.
Hi there, just wanted to add that I had a similar issue in effect. I checked everything from this thread with no avail. The issue I was having was my poor understanding of registration points in Fusion 360. I had the z registered on the bottom of the work where it should have been at the top of the work. This article led me to look at the nc file where I noticed all the z calls were positive. When you think about it, if you register Z0 at the top of the work using a probe or manually and your program is all positive z heights it makes perfect sense why you’d be cutting through thin air. Hope this helps someone.