Tangles filament

[S.Hughes]

Has anyone else had issues, lately with some filament refills being really poorly wrapped on the spool? I’ve noticed, mainly with PLA Basic, that rather than being neatly rolled in layers, it looks like a tangled fishing reel. I’ve had several prints, some long running, stop and sit for hours because the filament gets stuck. This doesn’t just happen on a brand new spool, either, I’ve seen it occur halfway through.

[PrinterMcgee]

Welcome to the forum!

Yeah, it’s a problem that’s been reported a few times over the years.

Bambu refill spools- filament getting stuck

Greeting Quick one here as it relates to all versions of the AMS, it’s printer independent. I’ve been able to reproduce this error with the last 10+ spools of refill and it’s happening regardless of the filament type. Does not impact the rear spool holder. Refill spool placed correctly on the notch, two halves seated properly. Load the filament and guaranteed that the filament will be pulled to the side of the spool and jam between the spool holder and the spool. This is super annoying when m…

Poorly wound filament

I have a brand new roll of standard gray Bambu PLA that I put onto the Bambu two-piece reusable spool. Half way through a 5 hour print (from the AMS), the filament hit a tangle in the spool and the motor pulled it with enough force that it separated the spool and sprung the filament out of the sides. Now the filament is a complete mess and will need to be re-spooled. I also received an error about one of the motors applying too much force (forgot to grab a picture of it). This happened durin…

Regretting a bulk buy of PLA Basic refills

I bought 20 rolls of black PLA basic for prototyping during the BF sale and I’m just getting around to using it, installed it into Bambu spools and removed the straps after as instructed, and the first three have caused the AMS to hang up at least 10 times per spool due to either a cross-tangle or the filament being stuck tightly down the side against the spool and the AMS not being able to pull it out. If this is how it’s going for the first three the next 17 will be a nightmare as I do a lot …

[EnoTheThracian]

I had that recently too. As well as the poorly cut cardboard centre.
In most cases, a good “massage” of the assembled spool in combination with the AMS savers saw me through though.

[LuckyMaker]

It seems this is not limited to PLA, my PETG-HF refills have been really bad recently. I had a 8 hour print turn to garbage because the AMS hit a tangle in the spool and did not print for 3 hours. When I fixed the issue and resumed the print, the filament did not bond well to the layer that was sitting for 3 hours and I ended up having to scrap the whole print.

I think Bambu needs to check in with whomever is manufacturing your spools as they appear to have some quality control concerns.

[EnoTheThracian]

Yes, it is a refill rather than a material problem.

But using AMS savers from MakerWorld, Centre Spool dessiccant holders and being careful when closing the spool while remembering to massage the refill can really minimize these entanglements.

A shame that they still use that tape at the end of the spools though…

Tape at the end of spool

Can you stop taping the carbon fibre filament to the cardboard spools please? It doesn’t function in the AMS correctly when it runs out. Not only does it jam the AMS, it prevents the AMS from automatically switching to another spool [PXL_20230514_121708948]

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[LuckyMaker]

I just printed out a set of the AMS Savers myself and are giving them a try. I needed to do the Steel Wool cleaning trick to my build plate as I was having some issues with prints sticking to the plate. But I am all good now and will be setting up a long print today with a fresh PTEG-HF refill with the AMS Savers, so lets see what happens.

Thanks for the tip, I will massage the refill a bit as well.

[user_293716277]

Same problem twice now with Bambu Lab PLA filament rolls. One came in a plastic spool. The other was on cardboard spool that had to be placed on a plastic spool. Both had numerous crossover tangles that stopped printing of long jobs (15 hours). Luckily I had bought a respooler before the first tangle. Wound from the original roll to an empty plastic spool and then back onto to original plastic spool with cardboard spool to retain RFD tag info. Both rolls then went through the AMS Lite and my A1 without a snag. By the way, as I did the first respool on each roll there were several tangles on the original roll deep into the rolls. So, this was clearly a manufacturing error.