To cut or engrave, it is necessary to generate the appropriate G-code that using the following commands:
|
Header |
|
|
M104 S0 |
Set hotend temperature to 0 |
|
M140 S0 |
Set bed temperature to 0 |
|
G28 W |
Auto home (without mesh bed leveling) |
|
G92 X0 Y-86 Z-45 |
Offset to Y=-86 Z=-45. This way laser spot will be at the place when normally hotend was. |
|
M107 |
Print cooling fan off (disable laser) |
|
G0 X0 Y0 Z0 F2000 |
After this command is done, material can be put on bed and laser can be connected to cut/engrave |
|
M0 Click to continue |
Wait until user push the button |
|
Before every G0, G1 commands |
|
|
M106 |
Laser ON |
|
SXXX |
PWM duty where XXX is number between 0 and 255 (e.g.: 0 = 0% and 255 = 100%) |
|
Footer |
|
|
M107 |
Print cooling fan off (disable laser) |
|
G92 X0 Y0 Z0 |
Reset selected workspace |
To see an example of G-code, please refer to Appendix 1.