I am having trouble engraving. I can engrave text, but not anything with grey scale. Is there a specific format for grey scale image? Is there a place to download good images that would laser well? Every time I try to image something it looks really nice, but when I upload it to the part where it g…

Also don’t Forget to set and save the higher laser power after focusing - I also did have my Problems at my first try.

Haha, it surprises me that you found the size of the dot when the laser is focused. Actually less than 0.5 mm is enough. I will upload the calibration card later so that you can print it out and help you find the focus.

Here is the calibration card I talked about: [Calibration Card]

could i print out the card bigger so i can see the dot…? :wink: actually, all jokes aside, perhaps a ring around the dot for us old farts with dim vision… william…

@Rainie Can you make this calibration card available for downloading and printing? Have a great week and a happy Chinese New Year to all of you Doug

Hi @william.o.yates and @Rainie @Noah I would also appreciate knowing what the optimum height above the project that the laser head should be placed. With the focus ring turned all the way in, the bottom of the laser lens head is about 39mm above the project and i need a minimum of 80% power. Lower…

Hi Doug, Here is the calibration card of PDF file for downloading (Forum can’t upload PDF file so I compress it). Calibration-Card-output.pdf.zip (814.0 KB) The optimum height is quiet different when the laser module is produced. Because it’s mainly depends on the focus, which may change by rotat…

Hi, just been trying out the laser but I have a question…is there a way to move the image so the origin point would be in the centre rather than the bottom left as this would make it much easier to position the laser correctly.

Hi @elminster I am a newbie and I find the origin also referred to as the Toohead position is fine where it is. I turn on the Laser Focus, move the beam to what would be the lower left position, Click on Run Boundary and when it looks good, I click on Set Origin then I start the print. To me having…

Thanks for the advice, I just thought that being able to work from the centre as an option could help. Weirdly enough in the cnc tutorial the image is centred on the origin point when loaded into the software.

Laser engraving

Projects, Tips & Mods Showcases & Tips

rojaljelly August 22, 2018, 4:42pm 28

Dear Jan
I allready saw something in this forum.
For example here:

Michael

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