![]() ![]() Adding that would be my first recommended upgrade.Ĭalley479 has it right on the money. And anything that smokes will be harder to cut without air assist. Card stock cuts great for me at 50mm/s at 50% power. Though some plywood may need a little slower for consistency. I've found ~3mm plywood and acrylics cut well at about 6mm/s at 40% power. You just have to find a supplier that can consistently get one that works well for you.Īfter you get your hardware tuned, you'll need to experiment with speed on different materials. Some people attribute this to the glue, but it's next to impossible to find that specified. Plywood cuts ok, but I've had some batches that needed an extra pass. ![]() It tends to scorch and catch on fire if you go to slow. I recommend two passes at a relatively fast speed vs going slow. But again, it may come down to composition, so try some different kinds. Especially corrugated since the two layers are so far apart. I've found cardboard to be a little difficult as well. But it may be more about the composition since I've seen others cut it ok. Something about the glue doesn't work well for me. It cuts well at high speeds.Įven with a well tuned machine, I've not been able to cut mdf well on mine, though I haven't tried much. I use a lot of construction paper or card stock (<1mm) to test my designs or when tuning my hardware. ![]() When I upgraded to an air assist head, it moved my focal point up 10-15mm because the lens sits much higher than the stock head.įind something that works well to do some initial testing. But you'll need to know where the lens sits in its mount. Most k40 machines come with a 50.8mm fl (2"). You may have to try some materials at different heights to figure it out. So take a look at that if you've followed all the other adjustment procedures.Īlso make sure you know your focal length. So no matter how much I tried to tune the mirrors, one corner would always be off. But one other issue I ran into was that my tube wasn't square in its mounts. Mirror alignment is one of the most important things, and you'll find many articles on how to accomplish this. But you need to make sure your mirrors are tuned and you know your material height before you start testing new material. Finding the right material is quite challenging especially at first. ![]()
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