Cloudray E Series Beam Combiner / 1st Mirror Bracket for Further Fabrication Y1200 Laser
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Uses a real first mirror and Cloudray E series beam combiner instead of the second mirror that is in the build guide.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Public Domain
The build guide uses a standard 2nd mirror on a custom bracket he made that takes the place of a 1st mirror.
I wanted to use a beam combiner instead of one of those cheap laser pointer guides that hangs of the side of the laser cutting head.
Obviously since this is a DIY laser cutter not many people have taken a crack at it so I decided to take the plunge.
If you follow the build guide exactly this should pretty much land you in the exact same spot as the 2nd mirror 1st mirror contraption he made.
You also still have access to the screws on the beam combiner bracket itself to slide the mirror back and forth some for further adjustment as needed if my bracket doesn't get you right there where the original 2nd mirror 1st mirror contraption was (It should but you never know, I had to use them to get it perfect).
Uses M5 screws all the way around. Which size exactly depends on which bracket you end up going with.
Theoretically where the beam lands on mirror 1 and 2 doesn't matter however if you are ocd about stuff like this like I am, you want the beam to hit the center of everything on all 3 mirrors.
The “original” model file included in the file list here turned out to be too thick for me, the pulse was hitting on the lower part of the mirror so I made a bunch of different thickness brackets labeled -______mm where the number in the blank area is -____mm from the original.
Mine ended up being the -5mm bracket that got the pulses to hit dead center all the way down the line on every mirror but your laser tube may be sitting +/- a mm or two from where mine is so I made a few different ones.
I would suggest printing the original on 10% infill just as a gauge to see how much it needs to come down after a test fire and then printing the one you actually need afterwards at 100% infill for the permanent one.
The edge of the bracket should sit about flush with the edge of the 2040 extrusion the tube is mounted on.
Printed @ 100% infill.
I used ASA but should work just as well with pla, pla+, petg etc.