Replacing a cheap Chinese CO2 Laser Tube

What is the life span of a cheap Chinese CO2 laser tube? I mean: how long can I use one these (aka K40) laser engraver/cutter tubes as used in that 50W machine I have? I have used my machine for over a year for now, and I don’t have hour meter, but I estimate it have used it for about 500 hours. I don’t have a data sheet of the tube used inside my machine. Discussions on the internet estimate the live span from DOA (Dead On Arrival) to ‘a few months with moderate usage’ up to 3000-5000h’. Well, whatever it would be: my laser cutter stopped working two weeks ago. Here is how I got it back operating again….

New Laser Tube on the Bench

New Laser Tube on the Bench

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50W Laser Cutter Upgrades

Using that 50 Watt laser machine (see “Getting Control over a 50 Watt CO2 Laser Cutter from China“) for several weeks now, I have added a few upgrades to the machine.

Strong Magnets

Magnets

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