Questions tagged [hotend]

Questions about the standard extrusion mechanism found in FDM/FFF printers.

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57 views

What is the thinnest hotend?

I have a few 3D printers and now want to start building a custom 3D printer. I want to build a 3D printer with multiple nozzles, and I want to make the hotend thin so the nozzles can be closer ...
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3answers
38 views

Can I replace the cooling fan blade for the hot end on creality ender 3?

I broke one of the blades of the fan and that's making the x-box vibrate. Other than that it works fine and I can still print at a very low flow rate and a lot of noise. Will replacing the blades, not ...
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1answer
45 views

Upgrade hot-end to achieve higher temps (e.g. for PETG)

I'm struggling to get my printer to the temps required for modified PETG (the filament I have is Fillamentum CPE and recommends 255-275 °C), I currently can only reach 245/250 °C even if my target ...
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1answer
38 views

Issue with the new heating cartridge of my 3D printer

Recently I had an issue with my heating cartridge, and I decided to change it. For my Anet A8, I needed a 12 V 40 W one. I ordered it but I received a 15 mm length instead of 20 ...
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1answer
93 views

What hotend designs exist as paired all-metal and PTFE-lined versions?

I know that the E3D V6 hotend exists in both the all-metal V6 version, and the PTFE-lined Lite6 version with the same mount and form factor. What other hotend designs are available like this?
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84 views

All-metal hotends are less forgiving / not as good for PLA — but how bad?

Currently, I'm using a Creality printer to print PLA (that's what I have on hand) but I'm definitely interested in working with other materials that require higher temperatures (both much higher, and ...
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1answer
99 views

PID autotune fails with a temp too high

Working on upgrading my Ender 3 to a dual extruder setup using the Winsinn dual hot end and MKS Base V1.6 motherboard using Marlin FW 2.0.5 and am unable to get the PID autotune to work. When I start ...
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1answer
42 views

Using 2x CAT6 cable for 24 V hotend

I'm looking to replace the troublesome ribbon cable of my Duplicator 6 with a 2xCAT6 arrangement for all things extruder. Are 4 26AWG wires (2 sets of 2 twisted pairs) enough copper for 50W heater at ...
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1answer
258 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, ...
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3answers
522 views

Ender 3 pro extruder skipping steps, tried multiple things

I've already asked this question somewhere else but unfortunately I had little luck. So... my Ender 3 Pro extruder just started skipping steps, as in the gears (and the gear pinion) will rotate but ...
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1answer
112 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 ...
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1answer
124 views

PID autotune fails 'Temp too high' with 12 V heater cartridge but works with 24 V?

So, I have created my own heater block for my 3D printer and mistakenly was using a 12 V, 40 W heater cartridge thinking that was the standard for my Ender 3, when in fact it is supplied ...
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2answers
250 views

All-metal hotend, cooling fan failures, and cold-side PTFE

I'm getting a pet bird soon, and I know that off-gassing from heating PTFE above 300 °C creates noxious fumes, which are bird-killer1. To try to prevent even the chance of that I'm replacing my ...
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0answers
85 views

PID Autotune not working properly

I'm running the autotune PID because I had to replace the hotend. The command that I launch is M303 E0 S200 C9. But from the temperature chart I see that he has ...
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0answers
357 views

Ender 3 overshot the set temperature and hitting MAX TEMP error

So for the past few months I have been printing in my Ender 3 and everything ran smoothly. But suddenly a few days ago I tried to print and the hot end temperature just keeps on rising past the set ...
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2answers
263 views

Do spare throats or a heater blocks ever break?

A question to those who have a 3D printer. Have you ever needed a spare throat or a heater block? Do they ever break? I just bought some spare parts: heaters, thermistors, nozzles... However, I am ...
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1answer
101 views

PLA from the top of the hotend

My custom printer is affected by a strange problem. After 30/40 min printing without any problem, PLA starts blobbing from the top of the hotend. What does it means? Where to start checking? It is ...
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1answer
645 views

All-metal hot-end Creality Ender 3 Pro jamming issues

I have a Creality Ender 3 Pro printer, and just installed the Micro-Swiss All-Metal Hotend for CR-10 S Pro. After installing following the video instructions by Micro Swiss and Teaching Tech, I set it ...
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2answers
540 views

Can you print at low speeds with e3D Volcano hot end?

The e3D volcano features an extended heater block of length 20 mm with the cartridge heater running parallel to the filament. The purpose of this is to increase the speeds at which filament can ...
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1answer
90 views

Are there multi-filament hardened nozzles or equivalent systems?

I discovered "diamond" nozzles (name of the design, not the use of diamond material), which have multiple filament inputs (designs for 3 or 5) and a single output nozzle, see figure. They look like a ...
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2answers
144 views

Hotend doesn't maintain temperature

I got an Anycubic Predator last month, and after resolving a few mechanical problems, I was able to get it printing decently well. The only significant modification I've made so far is a set of 8-...
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0answers
235 views

How to get stuck filament out of this direct drive extruder?

I recently installed a "Direct Extruder System" on my Ender 3 using a 3D printed mount. For the first few minutes it worked fine, but after I looked at it once again, I saw that there's nothing ...
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1answer
144 views

Remove broken heatbreak

I'm trying to replace my hotend with the E3D Hemera direct kit. I got to the final step of hot-tightening the hot side and managed to snap my heatbreak. The part that screws into the heat-sink is ...
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1answer
186 views

Weird temperature graph and thermal runaway protection triggered

I woke up this morning with my 20 hour long print failed around 15 hour in. I checked the octoprint console, and saw a very weird temperature graph. Later found out thermal runaway protection kicked ...
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2answers
184 views

Reason behind geometry of heater blocks?

I understand the principle of why a heater block is used. Helping to reduce temperature variation as the filament is extruded using the heat capacity of the block. But I’m wondering why it takes the ...
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0answers
44 views

Can I replace hotend on Lulzbot Mini 2 with upcoming E3D Hermes?

I've seen articles about the Hermes hotend coming soon from E3D, and was wondering if anyone knows if it's possible to replace the stock Aerostruder on Lulzbot Mini 2 with it. The Aero has been giving ...
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0answers
54 views

Academic research behind hot end design?

Does anyone know of any academic research behind 3D printer hot end/liquefier design? All I’ve found is papers on liquefier dynamics where they model polymer flow and go so far as to compare the ...
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1answer
123 views

What causes leaking between the heat break and the heat block?

During long prints, my heat block becomes covered in whatever material I am printing. The plastic leaks from the junction between the heat break and the heat block, and runs down towards the nozzle. ...
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2answers
111 views

Two 12 V heater elements in series in a dual hotend

I have ordered a dual hotend Chimera and it came with 2x 12 V heater elements (in my rush I forgot to order the one with 2x 24V). Is it possible to run these 12 V heater elements in series? ...
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1answer
76 views

Power supply not working

Yesterday during a print, the printer just stopped working and all motors and fans stopped. My printer is a Graber i3. Just before that I saw a flare coming from somewhere in the extruder or from the ...
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2answers
633 views

Why don't 3D printer heads use ceramic inner walls?

Why don't 3D printer heads use ceramic inner walls? PTFE tubes melt with high enough temperatures and all metal ends risk jamming as heat makes its way up the head.
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1answer
53 views

What's the best way to pull out fillament from an all metal print head

Since retractions above 4 mm can cause jams due to plastic sticking to the cold half of the metal print head, what's the best way to avoid jams when swapping filaments? Cool down and yank out, ...
2
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1answer
345 views

How sensitive are all-metal print heads?

So my goal was to print in a variety of materials with my CR10, but all attempts up to now have failed. I've tried a variety of all-metal hot-ends (except Micro Swiss) with no success. For those with ...
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2answers
388 views

Wanhao Duplicator i3 Mini - Not reaching temperature -> screen freezes

I have been having some issues with my Cocoon Create Model Maker/Wanhao Duplicator i3 Mini. The hotend doesn't get up to temperature. I will go to any of the heating functions (start print, preheat, ...
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1answer
52 views

Proper hotend heater for Reprap x400 Pro V3

I'm trying to verify the correct hotend heater for a Reprap x400 Pro V3. I know a 12 V 40 W doesn't work. A working heater measures 4.4 Ω, so I'm guessing it is a 12 V 30&...
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3answers
688 views

Needle Hotend for nonplanar printing

To minimize retractions and travel when printing several objects, some slicers produce gcode for sequential deposition when each object is built in a traditional manner bottom up layer by layer before ...
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1answer
738 views

Change hotend thermistor input in Marlin

I have a Marlin driven Prusa i3 clone, by accident I cut through both thermistor wires for the hotend while it was powered on. The Arduino reset and the hotend thermistor no longer work. Since there ...
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3answers
597 views

Why heater blocks on hotends?

I understand that heater blocks act as kind of “low-pass-filter” on the temperature change of the hotend, but why do we need that? Wouldn’t it be better to have as little metal as possible in order to ...
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3answers
252 views

Can commodity 3D printer extrusion hardware and filament be used for injection molding?

Assuming you have a suitable oven to maintain temperature at the filament melting point and a suitable mold that can handle the temperature, is a commodity 3D printer hotend and extruder, with large ...
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0answers
71 views

Hotend Will NOT Heat Up with Bullseye

So I just printed my Bullseye mod for my cr-10. But now I have a problem, when my hotend is trying to heat up it can't, because the cooling is to powerful. I know this because when I stop the fan with ...
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1answer
140 views

PID autotune fails under all conditions so far. Any ideas I haven't tried?

I got some Prusa i3 clones with Melzi boards with Marlin, or nearly so. One of them performed very well (considering that the board would reboot whenever power was applied to the build plate. But I ...
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1answer
300 views

Tuning PID parameters for hotend

I have a TEVO Tornado that I messed a bit with, so basically now I have: MKS GEN 1.4 board TMC2130 stepper drivers E3D v6 hotend A few days ago the heater cartridge so I replace it with the old one ...
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2answers
314 views

Filament Length too short for extruder to push filament

When filament is too short for the extruder to push will there be a stop in printing on the Ender 3, meaning that I should replace the filament when the end of the filament is near the extruder?
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1answer
340 views

Temperature fluctuations, is it normal?

I have an Anycubic i3 Mega-S and when I'm printing something (especially when it's hotter) the temperature increases and decreases by around 3 degrees during the print. Is this normal? I was worried ...
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1answer
177 views

How do I calibrate temperature control in a Repetier firmware?

I have built a 3D printer using RAMPS 1.4. I am trying to raise the hotend temperature over 180 °C. But I can hardly get to 100 °C in 60 minutes. I applied power directly to the ...
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2answers
444 views

Anet A8 Wrong Hotend Temp

My Anet A8 reads as 120ish degrees Celsius, but it is set to 200 degrees. I don't know if it is reading the wrong temperature because it still pushes out plastic when I force it. It will climb up and ...
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3answers
198 views

Is this hot end salvageable?

Kicked off the second long print in a series (printing Lack enclosure components). First 10 hour print was flawless. Started this one, saw the first layer laid down well, went to bed. Woke up to this (...
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4answers
7k 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 ...
2
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1answer
198 views

Loose brass heater block

I recently changes the nozzle on my Monoprice Maker Ultimate 3D printer (first time). The brass block that the nozzle screws into is free to rotate around an is wobbly. Loose block video I can't ...
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1answer
123 views

Unable to hit hot end temperature with part cooler on

I'm unable to use the parts cooler I printed. Every time I turn it on, the hot end temp drops too low, and for some reason the PID can't seem to get it back up: This is a test to simulate the issue. ...