Questions tagged [heat-management]

Managing temperatures in 3D printers. This includes hotends, heated beds, heated chambers, cooling elements and cooling of electronics.

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14
votes
5answers
24k views

Efficient and easy way to thermally insulate the heat block of the hotend?

Sparked by this question, I wanted to discuss the most efficient and also the easiest ways of thermally insulating the heat block of the hotend. I have seen Kapton tape insulations as done here with ...
4
votes
3answers
2k views

Increasing hotend temperature to compensate for increased filament throughput

It seems that when filament throughput is increased (by increasing movement speed or extrusion width/height), printing temperature also has to be increased to compensate, because the filament will ...
4
votes
2answers
254 views

Prints coming out very stringy

So these past few days I have been 3D printing again with my Ender 3 with PETG and 0.4 mm nozzle and while I have been using the same setting as usual I am seeing an unusual amount of stringing ...
2
votes
1answer
493 views

How is heat creep characterized?

I have a Delta printer with Bowden extruder and all-metal hotend. When I start printing, the hotend gets often jammed. It seems to be independent of the print I am currently doing. Retraction does not ...
1
vote
1answer
2k views

PID tuning 50 W cartridge in Marlin

Recently I decided to upgrade my Geeetech A10 (GT2560 v3.0 board) with E3D Chimera, Marlin 2.0.3 and more powerful 50 W heater cartridge. I wired everything up and tried to PID tune the hot end, ...
5
votes
6answers
8k views

Creality CR-10S Pro 3D printer heated bed turns off after first few layers: normal?

When I run prints on my Creality CR-10S Pro 3D printer (using Ultimaker Cura as slicer), I set the heated bed to around 70 °C for PETG. after the first few layers, the heated bed set point ...
2
votes
2answers
362 views

Power consumption of filament extrusion

I'd like to calculate the power lost through the filament being extruded (or in other words, at how many Watts I'd have to run an ideal heater that loses heat ONLY through filament so that it stays at ...
8
votes
1answer
3k views

How much insulation do I really need?

I have been looking at cork sheet insulation for my 200 mm x 300 mm aluminium PCB heatbed, by I am not entirely sure how thick it should be. There seems to be a trade off between losing a few ...
4
votes
4answers
3k views

How can I insulate my thermistor?

I have had many problems with my heat shrink for the thermostat on my Anet A8 melting from the heat block. Is there a way I can insulate my wires from heat but still have enough room to put the ...
3
votes
1answer
422 views

Chamber heating using hysteresis in Marlin

Is anyone using hysteresis with their chamber in Marlin? I have read bang-bang with hysteresis is possible when using a bed heater. I would like to do that for chamber heating. I have some lamps that ...
3
votes
6answers
14k views

Clogging due to heat creep: buy new cooler or new hotend?

Sadly, I am not able to "repair" my 3D printer. Every time, I want to print something that takes a bit longer to print, the extrusion stops at some point during the print (the first few layers are ...
0
votes
1answer
30 views

Has anyone had success printing PMMA filament using Lulzbot products?

The title of this post more or less says it all. I am having a heck of a time getting PMMA (polymethyl methacrylate) to print on my Lulzbot Mini 2 (which uses all of the standard/default attachments). ...