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You can get pressure regulators for cheap on aliexpress and ebay. That's what I use to drop the pressure from 8 bar to a little more manageable 0.5-1 bar. I can also change the pressure (air flow)...

If you're sure the tube is facing the correct way then it's probably fried. Most tubes don't have any serviceable parts afaik.

Hi

Thanks for your reply.

The mA meter doesn't move in the first steps, but starts to move at 35 and seems to move a little more in every increment, so that seems to be working fine. But the...

Hi

Last week I received a laser cutter from g weike with a 130w reci tube. I've been experimenting with it for the past few days and been pretty happy so far.

There's one issue I seem to be...