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Ran a focusing test

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Laser
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2023-06-14

on a steel plate my buddy gave me yesterday with my 100mm lens.

I ran my Fiber on it, engraving a 15mm x 15mm square on it with different settings. I FINALLY understand somewhat what Frequency does. I guy told me to consider it like Grit on Sandpaper.

Speed is how fast you run your orbital sander. Power is how hard you press with it. Frequency could be considered the Grit of it. Being a novice wood worker, it hit me.

Once I dialed in my 100 lens, I ran some of those squares just to see how different settings effected the steel. Even got some different colors too. Now I have to make a focusing stick to I just lower the head down until we’re snugg.
C

    • Patrick

      2023-06-15
      I think the frequency tells it how fast to pulse and the q-pulse tells it how long to pulse…
If it’s a higher frequency, the fiber has less time to pump up and therefore less power in the pulse.
If you can’t adjust q-pulse then you only have frequency control to determine the power of each pulse…
I think it comes down to pulses/mm roughly… Mine will go up to 4000kHz, but the JPT source manual says maximum power is 45kHz.
The grit comparison isn’t bad… this can be a nebulous area of interpretation…
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