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I will also have to add a diode to each of the output drivers, because when one driver is turned on, it injects reverse current into the other.

I rubbed my 120W with a file until a crack appeared and then opened it like a can with a small screwdriver.

Yesterday I managed to connect all the cables. I also glued a protective glass on the laser. This way, dust and moisture are impossible to get in. All that remains is to get the BMS for the battery. In most places I use chemicals instead of soldering.

I'll record videos. I was just about to do it and the switch melted. It couldn't handle those 18A. But the laser is definitely very powerful, and that without a focusing lens.

Today I was doing tests. I decided to put two drivers in parallel. That way I will be able to get 50% power and 100% power. Both are set to 30V and 9A. It turned out that I do not have a suitable BMS and so I ordered one up to 40A output. Mine are 12A. I will also put two 40A buttons for the...

I put brand new disposable nylon bags inside. They are soft and can't hurt anything inside. I also put tape in front of them. That way all the shavings were at the front. Be very careful what you drill with. I drilled it on a lathe. That way there is no chance that the drill bit will suddenly go...

I put everything in the box for a test run. Space is quite limited. I'm thinking of putting two of those 600W (60V/10A) drivers connected in parallel, setting them to 30V and 9A. That way I'll have the option to include one or both together. That is, I will have an option for 50% power and...

Yes. They work great and have a nice blue color

Buy this diode NUBM0F. It is available in different variants. This seller is correct https://a.aliexpress.com/_EJLhQtI

Mine was stuck too. I opened it with a sharp screwdriver. Go bold. You should remove it anyway

I wanted to see what it looked like from above. Mine is with screws. I took them off and used a screwdriver to pry open the cover because it was stuck, but it wasn't hard. I had the hardest time removing the fiber from the front

Take a picture so I can see which pump model it is

Today I put the red laser as in the picture. I have 5mw lasers. I drilled a hole right in the middle against the mirror. I first drilled with a 4mm drill and then made a large hole with a 6mm almost to the end, because the laser is 6mm. Then I applied a two-component plasateline glue. I put...

I did some quick tests with the lenses from the photo lenses and things are working out fine. When I have more time I will start making lenses from PVC pipes. I will try different combinations with the lenses because there are many and decide which ones to use

Today I bought these three lenses for 35$. The lenses are like new. I took them apart and removed the lenses. I left only the front ones with the option to adjust the focus. I will do tests when I have time. So far I've experimented with a green laser and things are working out pretty well.

I ordered this lens with 800mm focal length. I hope to achieve a good burn. ZNK Fiber Laser Collimating Lens Focus Lens D16 F60mm D20F150 Quartz Fused Sillica For SUP20S/21S/21C/21T Laser Cleaning https://a.aliexpress.com/_EwssOTI

Yes, I saw I saw them on Aliexpress. Now I need to add a 5mw red laser to show me where the beam is pointing. That way it will be easier for me to experiment with the lens I have. I also found an ad currently selling a side of 3 lenses. He sells all three for $35

The guy in the videos I gave also removed all the lenses. He also showed me how to add a 5mw red laser so I can see where the infrared world is.

@RedCowboy Lenses for our 9mm lasers do not last. They spray very quickly and at 50% of the laser power. The 260W one I haven't seen its full power yet because I can't get most of the 10 amps out of this power supply. At 18A these lenses will break instantly. So they drop out as an option...