I have a 50w fiber with 70×70 lense trying to engrave on the inside of a stainless band. My first pass was at 600 speed 80 power 40 freq for a cleanup i ran 2 passes 1200 speed 50 power 80 freq but it isnt as clean as i want.my line space was .02 split size was .03. How can i get a cleaner look? Thank you
I’ve found an increase in frequency will increase the number of pulses/mm giving you a smoother appearance in the resulting work.
I think it’s generally wise to make the split size a multiple of the interval. All of this is digital, until it gets to something that isn’t such as your stepper motor(s). If you’ve picked a good interval and use a muliple of it for split size.
If you have a long enough lens, you can use it’s depth of focus (dof) to adjust the split size to a larger value should work.
I think my F100mm is a 70x70mm scan area… is that the lens you’re using?
I have a 60W MOPA and it’s manual states that 45kHz is it’s frequency for maximum output. I do cleaning passes in the frequency range of the thousands…
Maybe @Albroswift will chime in, he’s an avid fiber user that can probably add to this.
Hang in there
Thank you
Yes that
Is the lens I’m using. Didn’t realize there were frequency maxes per lens. How do you find out what frequency maxes are for lenses? Bought the machine used so this is all new to me
When you say your split size should be a multiple of the interval. Would that mean if my line is .02 then split should be .04 or .06?
Frequency range is changed/adjusted within your laser source, whatever type or manufacturer it may be…
Here is one guide on F-Theta lens operation. There are many.
Have fun