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Questions tagged [heat-creep]

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Print failure due to heat creep

I have purchased a Creality Ender 3 about a year back. Initially it worked flawlessly even with PETG (at 240 °C) but after some time the prints started to fail. The filament started to expand and clog ...
morgan's user avatar
  • 61
2 votes
2 answers
126 views

Why do hotends have heat sinks?

I do not understand what purpose the entire heat sink area serves. Obviously, it is to prevent the heat from the heater block from creeping up and melting the filament inside of the heat sink and ...
Sujal Singh's user avatar
0 votes
1 answer
103 views

Changing axial fan on CR-10 smart caused temp fluctuation/heat creep

Printer: Creality CR-10 Smart Slicer: Cura My axial fan, which cools the heatsink, broke down. I replaced it with a cheap knock-off fan, as it was the only option available. However, this replacement ...
Ahmad Magrabi's user avatar
1 vote
1 answer
2k views

Ender 3 Upgraded to All Metal Hot End -- Heat Creep?

I was having heat creep related hot end clogs leading to skipped layers or plain old air printing (with extruder stepper skipping). Since I'd just received the all metal hot end I ordered a while ...
Zeiss Ikon's user avatar
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1 vote
1 answer
2k views

What makes a new nozzle clog before I can finish the print?

I found my Ender 3 was skipping extruder steps a lot, mainly while printing infill (tri-hex at 30%), to the point I saw several layers of infill with spotty extrusion or nothing adhered at all. When I ...
Zeiss Ikon's user avatar
  • 1,750
6 votes
1 answer
5k views

What are ways to avoid heat creep?

Printer configuration and many settings affect heat creep. Heat creep stopping extrusion doesn't necessarily involve melting the filament too high above the nozzle. All it takes is making the ...
Perry Webb's user avatar
  • 2,376