February 5, 2022, 10:17pm
I recently purchased a
Sculpfun S9 Laser Cutter along with Lightburn.
As the Laser head has a fixed focus I’m looking into options for a motorized Z-axis with touch probe. I came across this
Thingiverse item, which uses the BL touch sensor.
The Sculpfun uses an XY DLC v1.0 controller board, which has both connectors for a Z motor as well as a probe:
So the question is: Can Lightburn control the Z motor and BL touch sensor combination?
The interesting/tricky bit is that the BL touch has a probe which extends when needed and rejects when not, as shown in this video at 9:49.
February 6, 2022, 1:38am
Likely the only chance of this working is if you could get the BL touch to work like a traditional homing switch for the Z. In that case, assuming that Sculpfun has enabled Z homing in their firmware then you have a chance this could be made to work.
LightBurn really wouldn’t be involved in the process. The controller would handle the homing and report back coordinates to LightBurn.
February 6, 2022, 1:43am
Wouldn’t Z probing through homing require that the material/object to be cut/engraved is located at position XY 0,0? That’s not necessarily always the case.
February 6, 2022, 2:06am
Once homed, you can use material thickness properties to account for material thickness. It’s a function of the material library or as a one-off in cut settings.
March 8, 2022, 2:07am
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