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Carbon composite filaments

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  • 4 Post By daleburr

Carbon composite filaments

Old 11-16-2023, 03:22 AM
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Default Carbon composite filaments

I've had stuff printed at work on the SLS machines before using CF Nylon. The parts are mega strong, but there's a fair bit of warping and the tolerances aren't great for small parts.

So I've recently purchased a Bambu X1C, so I can experiment a bit more without hassling the techs at work every day.

The parts above are printed using Prussa PC CF (polycarbonate carbon blend). Its a dream to print. No drying needed, no stringing, layers barely visible.

The printed parts are accurate, stiff and strong. I've tapped the ballstud holes. I tested an early version by trying to rip a stud out with pliers. It was possible but took some effort! The test part failed by the layers detaching, which is a weakness of PC.

I have some PA CF as well which should be even stronger (better layer adhesion), but is a bit harder to print as it has to be thoroughly dried. I'll do a test part and compare to see if its worth the effort.

These particular parts are for wet weather Frontie racing to increase the front camber link length, giving more steering.
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Old 11-18-2023, 10:41 PM
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Prusa PC CF is one of my faves but its definitely spendy at like $60 a spool so I've resorted to cheaper PETG filament. PETG is very strong if you print things with 100% infill.
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Old 01-05-2024, 09:18 AM
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What would be the best reasonably priced printer that could print using CF?
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Old 01-06-2024, 01:13 AM
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Nice. PC is known to have a much better layer adhesion than any other material, I doubt you would get better parts with PA-CF than PC-CF. And from what I heard (and I'm yet to try), PC Blend is probably the best and easier to go (specially for the people not using hardened gears and hardened nozzles)
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