Let me put some context. I want to use my 350 to print Carbon Reinforced PETG, in order to do that I have to be able to reach around 260 Degrees, a bit more if I have to use a hardened steel nozzle to manage the wear. As you may know, PTFE starts to degrade and generate toxic fumes around 240-260 d…

Not sure why everyone talks about 240 degrees for PTFE degradation. If you google around it is more like above 260 degrees, which is also my experience. I have printed a lot of PETG at temperatures 240-250 and and a roll of ABS (Fiberlogy) requiring 265-270 to have any layer strength at all, and onl…

Hi, please feel free to print as much as you can and want with PTFE at temperatures higher than 240-250 degrees. I would just recommend to ensure that you get the proper information from Google, like from PTFE tube manufacturers: https://www.captubes.com/safety.html Besides that, you can also read…

Thanks Franky for the links, any additional information is always welcome. I did not find anything new, though. The first link said “yes” up to 275-280 then “maybe” with “danger” starting at 300. This fully supports my understanding (although I pointed out that 265 seemed to be where Snapmaker tube…

Well, I got the Balitensen heat breaks but have switched back to original heat break with PTFE tube. I couldn’t get any prints working as the filament clogged up in. the Balitensen heat break, no matter what settings or filament I tried. Sooner or later the print would fail. Filament got stuck about…

Dear @kaitzu , letś try to be as objective as possible. The first thing, about the temperature limits, with the two links I’ve posted, provided by PTFE tube manufacturer and Teflon association about safety: Verbatim copy: From 1st link: “Temp (Deg C) 260 Will it work? YES Is it Safe? We …

Hi again Franky! It seems that we very much agree that PTFE is ok up to 260 degrees, which covers most filament types with the exception of some technical filaments and some ABS (Fiberlogy in my case). Above that temp, my experience was that the hotend starts to degrade, at least in certain situati…

Here you go : https://www.amazon.de/gp/product/B09DL8QP47?amp=&currency=EUR&ie=UTF8&language=en_GB&linkCode=sl1&linkId=5d6abb8fa33a443fedf8e4b765be9754&psc=1&ref_=as_li_ss_tl&tag=drucktipps3d-21 Related to the printing … 260-270 is the maximum I got until now ( ABS/ASA ). Iḿ now in the process to …

Is this still mod the best option/only option for printing filament with CF in it?

It’s the only option if you need to go to higher temperatures than 250 degrees and do not want to risk problems due to the PTFE tube. What happens is that CF filament ( other than CF PLA ) usually benefits from higher temperatures.

Hi guys! I followed along your discussion and I was able to get bi metal heatbreaks from Brozzl. The one for the creality cr-6se does completely fit my hotend nicely. My original Hotend is around 42.5mm long and my Brozzl one around 43mm. [image] Creality CR-6 SE Bi-Metal Heatbreak 1 Stk …

FYI: Snapmaker 2 All-Metal Hotend Simple Mod

Snapmaker 2.0 (3-in-1)

nweolu June 4, 2023, 12:06pm 84

Thanks for sharing knowledge, I followed your steps and got some good results. Didn’t have to get a new fan with some light modification of the print head to improve air flow.

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FYI: Snapmaker 2 All-Metal Hotend Simple Mod

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