We are engraving rulers, up to 17.5" long on Anodized 6061 aluminum. Our accuracy tolerance is ±.005"
Our current machines are a pair of Trotec Speedy 300 80 and 60 watt with C02 laser. We have far too many problems with the machines going in and out of tolerance, intermittent behavior, we have a tech out every 6 months to adjust or replace parts etc. and in between that time, we spend countless hours chasing our with adjusting our files to the machine's intermittent behavior.
I've always been told that a Galvo will be too inaccurate due to the wide table and central focal point nature of the machine versus a gantry setup but how is something like the Epilog G2 looking these days? Does anyone have experience using Galvos to perform highly accurate engravings without tons of maintenance and calibration issues?
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