The Tangerine Tiger Series with Russ Sadler
In this Series, Russ has purchased a new 500 x 300mm, 50W laser machine from eBay with a view to modifying and upgrading it. In fact, he rips out the glass laser tube and high voltage power supply and replaces them with an RF laser source and PSU from Cloudray. Find out how this RF Laser Engraver compares to a glass CO2 laser tube and decide for yourself if it’s worth it!
If you are considering purchasing an air cooled CO2 laser machine with an RF laser tube source from one of the big boy suppliers, I would suggest you check out this series before making a decision!
I am beginning to question high speed engraving with an RF CO2 laser. The underlying principle seems to be limited by the power available. The higher the engraving speed the more power is required to match the damage threshold of the material you are marking. That is a simple physics fact. So is high speed engraving with RF a bit of an illusion where the engraving speed is actually low but the acceleration is high.
This video shows how slow speed and high accelerations can yield faster cycle times under certain circumstances and that depth of cut (colour) disappears as speed increases. RF refers to the means by which the beam is generated and not the manner in which the beam is controlled. That control is managed by a simple fixed amplitude PWM signal that allows only duty cycle and frequency control. I will go hunting for some POSITIVES in the next session. Response speed promises to be one.
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Transcript for RF Laser Engraver: What Is The Point Of Hyperdrive?
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Last updated August 26, 2021
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