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Discussion in '3D printers' started by Ridgeback, Dec 7, 2013.
Dual extruder 3D printer and laser cutter.
Ridgeback published a new build:
Read more about this build...
This is very impressive ! Great job..
We need video! and parts just gotta to see this cutting with the laser!
Videos being uploaded now!
Nice! Thank you
The videos are great @Ridgeback , The one I was interested is the 1/4" wood and I see on redit where you talk about having the beam focused down to .5mm to get the power needed, but does this still require multiple passes to get though or just one cut and your through?
sorry for the newbie laser questions
Yes, 1/4inch balsa wood is totally cut-able. It does require several passes though (about 3). 1/4 hard wood would be very difficult without a dozen passes or so. Everyday softwood, such as from craft shops are good options. When I burned up my first laser, I cut a large gear out of 1/16th balsa, in one spectacular pass at full power! It worked...once Now it's all about 3 passes or so. Nothing wrong with running a couple passes, letting it all cool down and running another 3. For foam, no extra passes are necessary, it rips right through that stuff incredibly fast, I have to back down the duty cycle and speed up the movement. Foam is actually my favorite thing to cut, because of the speed I get near instant gratification
that is good news for our RC airplane projects!
Thanks for the update
Can you cut lexan or acrylic ?
No, nothing visually clear, or reflective. I would need to switch to an IR laser. Visible laser beams pass right through clear objects. I even tried to cut a dark piece of acrylic, and it didn't do a thing.
Hope this helps!
Great thanks for the follow up