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I recently managed to convert the K40 to the lightobject DSP and running with Lasercad. I'm happy with the machine overall, given its price. It cuts and engraves wood and acrylic well.

I have a...

Hi all,

I am planning to upgrade my cheap Chinese K40 with a DSP from Light Object.

I realize that I need to have a PWM power supply, but I have no idea if the one that came with the original...

Hi, thanks for the replies. I have realigned the mirrors to where the beam hits the lens unit dead centre. The lens itself was also very very dirty, so I took that out and cleaned it with alcohol...

Could it be a problem with the laser alignment?

I have tried an alignment test by sticking a piece of tape over the hole on the lens mount where the laser should point to, pushing the test...

Hi,

Thanks for replying. I am trying to etch on Chewbarka anodized aluminium pet tags. I've also read that people are able to CO2 laser etch these with 25W lasers, and I would have thought the k40...

I did a little bit of research before buying it on eBay, and expected problems, but had hoped that it just might do what I want out of the box. Unfortunately not!

Does this machine have the...

Hi,

Just joined to get some help with a Chinese K40 laser machine!

I'm from Australia, and am new to CNC engraving.