Questions tagged [hotend]

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

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Creality CR-6 SE heatblock replacement

Recently I broke the threads inside the heatblock of my CR-6 SE by tightening the nozzle too much (it seemed not deep enough). No problem - bought a new hotend extruder kit for around 35 euros. I put ...
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30 views

Pros and cons of the two(+?) kinds of bimetal heatbreaks

I just replaced my PTFE-lined heatbreak with a Slice Engineering Copperhead, and am mostly happy with the results, but in the process of buying it and learning not to jam it, I came across with ...
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2 votes
2 answers
325 views

Are there any nozzles shorter than volcano but longer than MK8?

I have a semi-diy hotend setup on my MOOZ-2 (an obscure chinese printer). It requires that the total nozzle length (including threading) is longer than 15 mm. So far, I've been using Volcano nozzles ...
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1 answer
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PID fails too hot temperature with new hotend on Tevo Tornado

I am new to 3D printing. I had a big issue with the full hotend: thermocouple broke, the fan broke, plastic everywhere... (I don't really know why as hundreds of prints were good before) Anyway, I ...
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2 votes
1 answer
33 views

Hotend melting mount

I have an old custom 3D printer that I bought a new hotend for since the old one broke, and apparently, I made a mistake. The old hotend had insulation on it that prevented it from melting the ...
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Program Creality v2.2 board to use HEATER1 transistor for HEATER0

My CR10-S5 with Creality v2.2 mainboard recently suffered from the hotend heater transistor (MOSFET) failing short. After taking a look at the board, I tried to be clever and use the ...
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1 answer
170 views

Hot end temperature keeps dropping on my Creality CR-10 S4

I have a Creality CR-10 S4. What causes a "runaway please reset"? I changed the heating element and the thermistor. When I heat the hot end, the temperature drops down to about 165 °C and I ...
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1 answer
64 views

Anycubic i3 Mega layers don't stick together/are too thin

My Anycubic i3 Mega suddenly stopped printing properly. As you can see on the images attached, the printed filament seems to be too thin which causes the layers to not stick together. I already: ...
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3 votes
2 answers
739 views

Ender 3 hot end heater "stuck on"

Forgive this long-winded post, but I thought it would be helpful to include the back story leading up to a very scary situation on my Ender 3. I was printing a job and everything started out fine just ...
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3 votes
2 answers
199 views

Filament Jamming in Hotend. Why?

This has me stumped. I had been printing normally until this happened. Below is an expurgated version of my headache over two days. Some help would be appreciated. Printer is Hypercube Evolution (...
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3 votes
1 answer
1k views

When do you need a silicone sock? What problem does it solve?

I'm returning to 3d printing and there's all sorts of new things going on. One of which is a silicone sock. I suspect it's part of the engineering where you want to keep certain parts hot, and ...
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3 answers
109 views

How do I make the layers stick together more and warp less?

I have a Chiron from Anycubic and I have had some leveling issues in the last few weeks, however, I believe that I have sorted that. The layers attached to the base plate or the raft now come out very ...
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1 answer
1k views

K-Thermistor vs Ender 3 Stock Thermistor: Problem with bad reads

I have changed my hotend on my Ender 3 v2 with Dragonfly BMS. In effect, because I wanted to reach higher temperatures, I also changed the thermistor with one that is 3mm wide and does not have the ...
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2 answers
169 views

Does abrasive filament require a special hotend?

I know that you need a special nozzle to extrude abrasive filament (carbon fibre, copper, ...). I do have such a nozzle (coated steel) and am printing carbon fibre and copper filament. Last time I ...
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2 answers
141 views

OctoPrint suddenly no longer able to heat up hot end / extruder

My OctPrint and Monoprice Maker Select IIIP (A Wanhao i3 Duplicator Plus clone) were working fine, but suddenly today the hot end won't heat up anymore. I tried disconnecting the OctoPrint USB and ...
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Alunar Prusa i3 hot end replacement options

I had a print fail a while back and the filament covered the hot end. I attempted to replace the nozzle to fix the no filament issue but it looks like the unit has a cheap Chinese heater block that I ...
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1 answer
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Anycubic i3 Mega no fans

I am having a bit of a nightmare trying to work out what is happening to the fans on my Mega Pro. First off, the part cooling fan stopped working, then not long after the extruder fan also stopped ...
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100 views

Hotend temperature goes to infinity after few layers

I have a "classic" home built 3D printer, Arduino Mega, RAMPS 1.4 with Marlin 2.0. It worked, was put in storage, and now I am trying to get it running again. During all of the testing ...
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2 votes
1 answer
3k views

How to define bed dimensions in Marlin for custom carriage / hot end?

How would I begin measuring my hotend / carriage dimensions in Marlin to prevent my hotend from slamming into the frame? I see in Marlin the 'define bed size' parameters ...
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2 votes
0 answers
85 views

Silicone socks for nozzle only?

Is there a readily available silicone sock that goes just over the nozzle, to supplement an existing sock around the heat block body? I've seen a product for the E3D V6 that goes around the entire ...
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1 answer
72 views

I think my extruder is hosed

I put a new glass bed on my Ender 3. After playing with the baby-steps and bed temperature I thought I had it ready to go. I started to print some rocket kits for the Cub Scouts and the job didn't ...
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1 answer
264 views

3D printer clog. Nozzle keeps getting screwed in crooked

My 3D printer has got a clog, and i think it is because the nozzle hole has just recently started to only screw in crooked. I’m not sure how this happened. I have tried with multiple nozzles, but ...
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159 views

Hotends where heatbreak is not load-bearing?

Having started with an Ender 3, it just seemed natural to me that the heatbreak should not be load-bearing; Creality's stock hotend has 2 bolts holding the heat block to the heat sink, which of course ...
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2 votes
2 answers
424 views

PLA Jamming- is the heat break too hot or too cold?

I’m getting nothing but jams with a new BCN3D Sigma R19 printer, printing PLA at 195 °C, two brands (BCN’s own brand and Monoprice orange). 6.5 mm retraction, as used in BCN’s PLA profile. Using their ...
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2 answers
108 views

Way to add identity to an all metal hot end

Is there any convention on how to mark an all metal hotend to distinguish it from a hotend with a PTFE tube in the heatbreak? Once assembled for a German Riprap 3D printer, they look exactly the same ...
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3 votes
2 answers
454 views

E3D Clone heatbreak / nozzle leak issue

I've built a custom machine based on the AM8 (Anet A8 upgrade). I've got an E3D V6 clone hotend in, seems like a decent clone. I've replaced the heat break, heat block, and nozzle several times but ...
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2 answers
404 views

How does direct drive conversion allow higher print temperatures?

I have an Ender 3, currently in stock Bowden extruder configuration. I want to be able to print nylon and TPU, both of which require temperature too high for the tolerance of the PTFE Bowden tube (as ...
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185 views

Hotend is oozing out the sides and getting in the way of my print

My Ender 3 just started having this problem a couple of months ago. Prior to that the amount of excess filament showing up on the hotend was very minimal, but now it is oozing so much out of the top ...
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  • 285
1 vote
1 answer
154 views

Random hot-end temperature spikes

I've been having issues with thermal runaways lately due to random temperature spikes on my Ender 3. I figured it was out of calibration so I did a PID tune and still had issues. I then replaced the ...
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1 vote
0 answers
336 views

What volumetric extrusion rates can the Ender 3's stock hotend achieve?

With a fully stock Ender 3, the limiting factor is almost surely the extruder, not the hotend, so I'm asking from a standpoint of having an upgraded extruder (mine is direct drive) but stock hotend. I'...
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2 votes
2 answers
845 views

Heater cartridge extension wiring

I recently bought a Titan Aero hot end which came with a 24 V 30 W heater cartridge from E3D. I'd like to use this but the cable length is only 1 meter long and I need it to be 2 meters. The ends ...
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1k views

Will a Micro Swiss extruder and hotend speed up prints on my Ender 3 Pro?

Long story for hopefully a simple yes/no answer: I have a lightly modified Ender 3 Pro (BLTouch, glass bed, beefier bed springs and nobs, led lights) and I daydream about someday getting an "...
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1 vote
0 answers
525 views

Levelling issue with Anycubic Chiron [closed]

I can't get anything from my printer since I change filament (I always use PLA from SUNLU). I changed the nozzle, redo the leveling... Every time now, the nozzle seems way to close to the bed and the ...
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1 vote
1 answer
68 views

Wrench drops temperature of heater block when tightening nozzle

I've noticed when heating up the hotend to maximum operating temperature to tighten the nozzle against the heat break, after putting a wrench on the heater block, the temperature of the heater block ...
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1 vote
2 answers
1k views

CR6-SE fails to heat hotend to set point

TL;DR - Please help me rebuild my CR-6 SE so that I can move on Here's a link to the latest issue that I had to make proof of in a video: CR6-SE failed Basically, it's failing to reach/maintain ...
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3 votes
2 answers
251 views

How to print at low temperatures (filament melting at about 70 °C)?

I'm using Cura to slice prints from a biodegradable polyester called PCL (Polycaprolactone). I need to print @ ~70 °C but extruder does not run until nozzle reaches 175 °C. Which setting to change so ...
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1 answer
409 views

Fixing temperature Issues on I3 Mega / Where to find spare part

I have an old Anycubic i3 Mega printer which started having issues keeping the hotend-temperature. The peak at the start of the diagram was when I was touching the cable on top of the hotend: It also ...
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99 views

How to install E3D Volcano to CR-10 mini?

I have E3D Volcano and want to upgrade my CR-10 mini. Found instructions how to change E3D Hotend for CR-10, but can't find any with CR-10 mini. Could I use same instruction that was made for CR-10? ...
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1 vote
1 answer
224 views

Anet E10 - Print above 270 °C or "maxtemp" error

Hoping to determine the reason for my inability to print over ~270 °C on my Anet E10. To date all operation has been fine. Attempting to move to a configuration that supports above 250 °C up to ~300 °...
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0 answers
87 views

Hotend functioning inconsistently. PID completed normally, heating to quickly or not at all on print start up

I have a Xvico X1 printer which I had previously installed an SKR 1.3 on running Marlin, which was functioning normally. For Christmas I got a BLTouch, a heated bed and a Raspberry Pi for it, so I ...
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1 answer
47 views

Is it practical to build a separate hotend temperature controller to assemble hotends without taking up printer time?

One could make such a controller with 3D printer parts and building a case for them, but is it significantly less than just buying a compatible low-cost printer. The intent is to heat up the all-...
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0 votes
1 answer
662 views

Dead thermister or dead board on Ender 5?

I have a base model Ender 5 with the silent v4.2.7 board. Earlier this week during an overnight print, I came in to find it unfinished and powered off. I turned it back and it complained about an ...
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1 answer
65 views

What technics are you using to seal between the throat tube and nozzle?

Thinking this over, the best place to seal the hotend is between the throat tube and nozzle. What are the advantages/disadvantages of an integrated nozzle and throat to make this seal? Does a throat ...
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239 views

What happens if you use high temperature PTFE tape with the heater block?

High temperature PTFE tape is rated up to 550°F, which is 288°C. I'm wondering if it would be useful for components on the hot end to prevent oozing. Has anyone tried it?
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1 vote
1 answer
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Ender 5 Underextruding

Recently I cleaned up the bowden tube and the nozzle, after that I noticed the 3D was underextruding because the walls of the prints were weak and the first layer didnt adhere on the bed. I watched ...
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3 votes
4 answers
266 views

I can't figure out how to name this problem or solve it

(Ender 3 Pro with Bigtreetech Board and Touchscreen, BlTouch) Hello everybody, I want to print something for my family but the hotend gets clogged every time in the same part of the print. I tried: ...
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1 answer
2k views

What material should I upgrade the teflon tube to?

I'd like to print PET on an Ender 3 v2, but I see that some people recommend upgrading the hotend because it will melt the teflon filament feeder tube. I'm not sure if the hotend will even get hot ...
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1 answer
98 views

New Build. Hotend Overheating. Not Printing Yet [duplicate]

My build with the Hypercube Evolution continues with a replacement BIQI KFB2.0 board. I am not at the printing stage yet. This is due to my latest problem. The kit contains a “no-name” hotend, ...
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2 answers
1k views

Anycubic i3 MEGA not heating past 140 ºC

[SOLVED] on [EDIT 3] I just finished changing my i3 Mega's PTFE tube and brass nozzle, reassembled it, always taking care not to damage the heating element and thermistor wires. Then I check the ...
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79 views

Got "Heating failed" error while heat catridge is working

I bought an Anet A8 Plus in January. Everything worked pretty well until one week ago. When I tried to print something, I got a "Heating Failed" error, as the hotend didn't get hot. I've ...
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