CNC stroj - laser 10W - LaserGRBL - problémy so softwarom

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CNC stroj - laser 10W - LaserGRBL - problémy so softwarom

Příspěvekod Flanker » sob 28. zář 2019 16:22:41

Dobrý deň,

podarilo sa nám so švagrom rozbehať čínsky 10W CNC laser, problematiku inštalácie samotného CNCčka som riešil v samostatnom vlákne. V tomto vlákne si dovolím riešiť softwarovú konfiguráciu s nastavením GCodu.

CNC: 650x500, 10W Laser
Chipset: CH340G
Procesor: ATMEGA328P-AU
Software: LaserGRBL (v3.0.17 - latest)

Aktuálne máme nastavenia následujúce:
$0 Step pulse time 10 microseconds Sets time length per step. Minimum 3usec.
$1 Step idle delay 255 milliseconds Sets a short hold delay when stopping to let dynamics settle before disabling steppers. Value 255 keeps motors enabled with no delay.
$2 Step pulse invert 0 mask Inverts the step signal. Set axis bit to invert (00000ZYX).
$3 Step direction invert 0 mask Inverts the direction signal. Set axis bit to invert (00000ZYX).
$4 Invert step enable pin 0 boolean Inverts the stepper driver enable pin signal.
$5 Invert limit pins 0 boolean Inverts the all of the limit input pins.
$6 Invert probe pin 0 boolean Inverts the probe input pin signal.
$10 Status report options 3 mask Alters data included in status reports.
$11 Junction deviation 0,010 millimeters Sets how fast Grbl travels through consecutive motions. Lower value slows it down.
$12 Arc tolerance 0,002 millimeters Sets the G2 and G3 arc tracing accuracy based on radial error. Beware: A very small value may effect performance.
$13 Report in inches 0 boolean Enables inch units when returning any position and rate value that is not a settings value.
$20 Soft limits enable 0 boolean Enables soft limits checks within machine travel and sets alarm when exceeded. Requires homing.
$21 Hard limits enable 1 boolean Enables hard limits. Immediately halts motion and throws an alarm when switch is triggered.
$22 Homing cycle enable 1 boolean Enables homing cycle. Requires limit switches on all axes.
$23 Homing direction invert 0 mask Homing searches for a switch in the positive direction. Set axis bit (00000ZYX) to search in negative direction.
$24 Homing locate feed rate 25,000 mm/min Feed rate to slowly engage limit switch to determine its location accurately.
$25 Homing search seek rate 500,000 mm/min Seek rate to quickly find the limit switch before the slower locating phase.
$26 Homing switch debounce delay 250 milliseconds Sets a short delay between phases of homing cycle to let a switch debounce.
$27 Homing switch pull-off distance 1,000 millimeters Retract distance after triggering switch to disengage it. Homing will fail if switch isn't cleared.
$30 Maximum spindle speed 100 RPM Maximum spindle speed. Sets PWM to 100% duty cycle.
$31 Minimum spindle speed 0 RPM Minimum spindle speed. Sets PWM to 0.4% or lowest duty cycle.
$32 Laser-mode enable 1 boolean Enables laser mode. Consecutive G1/2/3 commands will not halt when spindle speed is changed.
$100 X-axis travel resolution 250,000 step/mm X-axis travel resolution in steps per millimeter.
$101 Y-axis travel resolution 250,000 step/mm Y-axis travel resolution in steps per millimeter.
$102 Z-axis travel resolution 250,000 step/mm Z-axis travel resolution in steps per millimeter.
$110 X-axis maximum rate 1000,000 mm/min X-axis maximum rate. Used as G0 rapid rate.
$111 Y-axis maximum rate 1000,000 mm/min Y-axis maximum rate. Used as G0 rapid rate.
$112 Z-axis maximum rate 500,000 mm/min Z-axis maximum rate. Used as G0 rapid rate.
$120 X-axis acceleration 10,000 mm/sec^2 X-axis acceleration. Used for motion planning to not exceed motor torque and lose steps.
$121 Y-axis acceleration 10,000 mm/sec^2 Y-axis acceleration. Used for motion planning to not exceed motor torque and lose steps.
$122 Z-axis acceleration 10,000 mm/sec^2 Z-axis acceleration. Used for motion planning to not exceed motor torque and lose steps.
$130 X-axis maximum travel 200,000 millimeters Maximum X-axis travel distance from homing switch. Determines valid machine space for soft-limits and homing search distances.
$131 Y-axis maximum travel 200,000 millimeters Maximum Y-axis travel distance from homing switch. Determines valid machine space for soft-limits and homing search distances.
$132 Z-axis maximum travel 200,000 millimeters Maximum Z-axis travel distance from homing switch. Determines valid machine space for soft-limits and homing search distances.

So švagrom teraz riešime problém so svetlosťou niektorých línií, ktoré sú viacej svetlé ako by mali byť. Krásne je to vidieť na tejto fotografii. Otázka je, ide v tomto prípade o problém konfigurácie softwaru, alebo je problém s laserom ako takým (automatické nežiaduce znižovanie výkonu laseru)?

20190928_155928.jpg


Zároveň by som sa chcel spýtať ako je to s "laserovaním" textu? Väčšina textu, ktorý nám vypaľuje laser vyzerá vo výsledku inak ako v predlohe. Resp. pri importe text ešte vyzerá 1:1 voči importovanému súboru, v náhľade už je text "robitý" a samozrejme laserovanie zodpovedá rozbitému náhľadu.

20190927_153528.jpg


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Flanker
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