Grbl Homing problems
Categories:
Laser
262
1
0
2023-05-23
Hello,
I recently became interested in Diode Lasers. I’ve used a CO2 for several years along with Lightburn. I’m having trouble with my machine not homing. I have Windows 10 and Lightburn grbl.
I have working limit switches in the lower left corner. I’m using an AnnoyTools Laser board.
I sometimes get the following error message: “Homing fail. Could not find limit switch within search distance. Defined as 1.5 * max_travel on search and 5 * pulloff on locate phases.”
Here are some screenshots of the Machine Settings:
Also, when I check “Auto home on startup” under the Device Settings, the machine hangs up on startup with a green “busy” bar. Thanks, Mark
C
Terrelle
2023-05-24I assume the machine starts moving toward the home switches when you start it up or initiate a homing cycle. If not, flip the X and Y Homing direction invert switches as needed. Assuming the X and Y Max travel values are correct, then the Homing Pulloff is excessive. Reduce it to about 3 mm and verify the switch levers completely relax after homing. An initial homing seek speed of 3500 mm/min seems far too high for comfort. Reduce that to 600 mm/min; you can increase by factors of 2 after everything works correctly. Those tweaks should get you closer to the goal …
0Reply
Relevant recommendations
- 2023-09-13
- 09-10