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prints a little too close to the bed. #28
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I am having the same issue. I have calibrated the limit switches, but it keeps adjusting the Z offset too low. |
I've made my endstop a little taller to be more level with the bed when the switch is activated, and edited |
I was able to get the right offset by adding SET_GCODE_OFFSET Z_ADJUST=1 into my macro and then adjusting the switch_offset. Note that I do not have a Voron but rather have a custom built machine that has a limit switch on a SG90 servo. [gcode_macro CALIBRATE_Z] |
I'm glad it works, but doesn't that defeat the purpose of kzc? |
It was about .65mm too low consistently even when the switch offset was set to 0.01. |
I started at .5, now I'm at .38. I'm printing things and testing ever now and then. I'll probably be down to .34 before the week's over. |
I'm experiencing the same issue with a "load cell" nozzle probe that touches the actual nozzle. It has a flex of about 0.2mm, that I need to adjust for. I previously was using Now, I cannot seem to set this offset in any code. The previous My problem is whenever I enter "0mm" on Z, it should be a feather touch on the bed without triggering the probe, which would be -0.2mm on the bend. Instead, the probe is immediately triggered - and I have to manually adjust Z to 0.2 to untrigger it - which should be 0.0 and not 0.2. |
If you need to be more away from the bed and the |
I've since bashed away at the config and found perfect. I'll try to find time to post the entire config here. But note, i've since edited this Klipper plugin to remove one of the Z calibration tests - and forced it to 0.2 or something. that way, not only is it much faster, the offset is correct everywhere. |
I added some more explanation on the switch_offset and why someone would demand for a negative value: https://github.com/protoloft/klipper_z_calibration/tree/v0.8.1#how-about-a-negative-switch-offset |
Hi,
what do I need to adjust in order for kzc to print a little further from the bed?
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