How to lower air assist?

I have manufacturer’s air assist installed on my laser. I can not reduce air assist nor
increase it.

I’m just wondering if there is any solution, for example some gadget or installation for reducing and increasing air assist?

You can’t increase it, but you can reduce it. You can install a valve inline to reduce air flow.

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…and if you need more airflow, buy a bigger pump. Pump, not air compressor, unless it’s just for a couple one offs and you already have the air compressor. A pump is the right equipment for the job.

Okay, is there any official tutorial how to valve inline in my machine?
And will I be able to reduce air flow when engraving and increase when cutting?

My simple solution was to fit a Y line splitter. One side of Y slitter goes to the air assist output and the other side has a fish tank tap which when opened reduces the air flow to the air assist line. Using this method allows the pump to continue full flow keeping the pump cool. Use the bleed taps output to blow smoke away from other places on your work space.

here you go .

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You need do something like that.

The valve is not connected to line so air will escape. So you can regulate the pressure opening or closing the valve.

Where is the best place in co2 laser to install it?