Centroid Acorn CNC PWM Laser Engraving setup and demonstration.

Acorn v4.64+ CNC12 software now supports PWM laser control. Now you can control a wide variety of Laser heads to cut or engrave a wide variety of materials. more info here..

https://www.centroidcnc.com/centroid_...


LaserGRBL Header and Footer

HEADER
------
G21 ; select metric units
G90 ; absolute positioning
G0 X0 Y0 ; rapid to X0Y0
Z0 ; Move to Z zero
G37 ON ; PWM Velocity Modulation ON (varies Laser power based on machine velocity)
M3S0 ; Laser power off
M37 ; Laser on


MULTIPLE PASSES
--------------
;(Uncomment if you want to sink Z axis)
;G91 (use relative coordinates)
;G0 Z-1 (sinks the Z axis, 1mm)
;G90 (use absolute coordinates)


FOOTER
------
S0
G90 ; Absolute positioning
M38 ; Laser cool down time
;END


Beginning of camaro G code program created from LaserGRBL

G21 ; select metric units
G90 ; absolute positioning
G0 X0 Y0 ; rapid to X0Y0
Z0 ; Move to Z zero
G37 ON ; PWM Velocity Modulation ON
M3S0 ; Laser power off
M37 ; Laser on
G0 X-74 Y-36.5 F2000
M3 S0
G1 X-73.833 S207
X-73.667 S203
X-73.333 S201
X-73.167 S203
X-73 S209
X-72.667 S213
X-72.5 S211
X-72.333 S215
X-72.167 S217
X-71.833 S215
X-71.667 S213
X-71.5 S205
X-71.333 S211
X-71.167 S207
X-71 S200
X-70.667 S203
X-70.5 S196
X-70.333 S190
X-70.167 S192
X-70 S194
X-69.333 S200
X-69.167 S198
X-69 S196
X-68.833 S198
X-68.667 S203
X-68.5 S207
X-68.333 S205
X-68.167 S203
X-68 S200
X-67.833 S207
X-67.667 S203
X-67.5 S196
X-67.333 S198
X-67 S203
X-66.667 S200
X-66.5 S203
X-65.833 S207
X-65.667 S211
X-65.333 S215
X-65.167 S211
X-65 S209
X-64.833 S207
X-64.667 S201

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