Spyke

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13 replies

PHA seems to work pretty well in the AFC. It's not super prone to shattering into a million pieces, the way some materials can be (especially when old and/or moist). The only notable issue is that, due to the very slow hardening, sometimes the "kick" procedure breaks the purge in half instead of knocking it into the purge bucket. I think I just need to add a "dwell" command to the macro between purge and kick, to give it a little more time.

The yellow and black filaments are both from the "Terraform" line of PHA by HartSmart, who I'm pretty sure is sourcing their base materials from EcoGenesis. The pink filament is from the "LooPHA" line by PHA Eco Goods, and is blended with real sakura blossoms.

Also, the Box Turtle is the only AFC I've ever built, so I don't have anything for comparison, but... it was awful!! What terrible tolerances on those printed parts! Honestly quite surprised I ever got it working at all, let alone this well.

6
Remy Rosereply
piefed.social

I love it, yeah. There are some hiccups, don't get me wrong... it warps as bad as ABS, and not many people sell the pure stuff. But:

  • It's non-toxic.
  • It's biodegradable.
  • It smells really nice! kinda like... play-doh?
  • It's realllyyy strong!
  • It's got this weird-but-nice texture, almost more leather than plastic.
  • It never jams my hotend.
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ExcessShivreply
lemmy.dbzer0.com

Are jams really that common anymore? I've got around 2500-3000h of print time on my two printers and I've never had a jam or clog on any of them.

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Remy Rosereply
piefed.social

It depends I guess. How many different types of material are you switching between, and how often? We commonly use PLA, PHA, ABS, ASA, HIPS, PETG, TPU, PP-GF, PA-CF, BVOH, and occasionally a few others/composites/etc. Some of them really don't play nice with each other either.

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ExcessShivreply
lemmy.dbzer0.com

PLA, PETG, ASA, ASA-CF, PET, PETG-CF and on rare occasions TPU85A, with the first 3 being the "regulars"

2

You must have your stuff pretty well dialed in then, congrats! We don't get like a lot of jams, but since we print for so many patrons, the machines are just kinda always running. So it's relatively rare, but it still happens

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Finally got the Box Turtle AFC mostly dialed in, yay multicolor! | Spyke