90W Laser Cutter From Scratch | Fine-Tuning & Testing

Описание: In this video, I demonstrate all the tests I performed while fine-tuning and adjusting my Y-400 laser cutter. There is a lot of information in this video, so pause the video or rewind and watch again if you miss something! If you have any questions about any of the tests, leave a comment below.

The test files I used are linked below. If you use the files, I provide below, make sure to adjust parameters accordingly for your laser tube wattage!

A couple of notes about the tests:

-- The laser pointer shown in the third mirror adjustment section is the "Co2 Laser Alignment Tool" from American Photonics (link below; not sponsored). Mine was the 24mm version for a C Series laser head. Check out their videos for more info!
-- You could use the LED pointer alignment tool to align all the mirrors, but since I have already aligned mirror one and two, I just used it to align mirror three.
Theoretically (or rather mathematically), the step length for the X and Y axis SHOULD be 9.375 with the 30 tooth pulleys on the X and Y axis. Your number should be close to the theoretical number but different due to variances such as belt tightness. More info: https://forum.lightburnsoftware.com/t...
-- In the Z step length test, I used the bottom of the X rails as a reference. Hard to tell because I couldn't get a great camera angle.
-- I adjusted the 100mm and 200mm offset a bit more after what is shown in the scan test.
-- The idea for the kerf test came from this post: https://community.glowforge.com/t/how....
-- I forgot to flip the last "B" in the kerf test. Oops.
-- I noticed while editing that the Z-axis moved while the kerf test was running. I had an unnecessary Z offset set on one of the layers.

00:00 Third Mirror Fine-Tuning
01:31 X-Y Step Length Method 1
03:01 X-Y Step Length Method 2
04:21 Z Step Length
05:00 Acceleration Adjustment
06:21 Focus Test
07:58 Scanning Offset Test
10:17 Subscribe Test
10:35 Backlash Test
11:43 Kerf Test
12:37 Engraving Power Test
13:26 Cut Power Test

🎬 LASER CUTTER PLAYLIST:    • 90W Laser Cutter From Scratch  
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📜 PLANS AND DOCS

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🤖 FILES AND DOWNLOADS

Lightburn Files: https://www.thingiverse.com/thing:474...

📦 ITEMS I USED IN THIS VIDEO

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Alignment Tool: https://american-photonics.myshopify....
300mm Ruler: https://amzn.to/3dgOkGw
Calipers: https://amzn.to/2MZHA5d
Digital Microscope: https://amzn.to/3jSQddJ
Binder rings: https://amzn.to/2N0xW2h
Sponges: https://amzn.to/3jPvJCF