HELP replacing head and lens please

[Elea Vampas]

Hello everybody,

I bought a chinese Ruida 50w CO2 laser machine (a blue one similar to the first Russ shows in his videos) about 8 years ago in Aliexpress and can't find the seller nor the order in my account anymore (apparently because the order is too old). I have disassembled the lower part of the headset but I'm completely uncapable, for the life of me, of unscrewing the lower end to release the lens. The lens has to be replaced, so I don¡t mind replacing the lower part of the head set too, but I don't know where/how to find info about what specs I need for both items compatible with my machine.
I've attached a few pics in case it helps.

IMG_20241129_133011~(1).jpg

IMG_20241129_133022~(1).jpg

IMG_20241129_133213.jpg

IMG_20241129_133204.jpg

Any ideas/leads/suggestions please? I'd sincerely appreciate your help since I'm a bit lost.
Thanks in advance.
Cheers
Elea

[Gareth Lewis]

Hi Elea,

Welcome to the forum.

If you can add some dimensions of the part that would help us to recommend a replacement.

I did find something on CloudRay that looks similar, but you will have to check the dimensions. https://www.cloudraylaser.com/products/ ... -lens-tube

Cloudray L series lens tube.png

[Elea Vampas]

Hi Gareth,
Thanks for your reply. I've sussed it out in the end. Thanks a lot anyway
Cheers
Elea