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  1. J

    NUBM44 + BlackBuck 8 = 25Hz ridges on engraved surfaces

    For some odd reason I'm getting ridges on engraved surfaces (mostly wood) which look close to 25Hz based on the feed speed of the CNC router the laser is attached to. The faster the speed the greater the spacing between ridges. I've put an oscilloscope on the 12V source and the 5V PWM source...




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