Questions tagged [hotend]

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

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votes
1answer
525 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 ...
0
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2answers
62 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 ...
3
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1answer
5k views

Hotend does not reach set temperature

If I set the temperature of my hotend with pronterface to 200 °C, the temperature never reaches that value. For instance, it almost reaches the target with a temperate of 196/197 °C and then starts to ...
9
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2answers
3k views

What is the best length of the melting zone in the hotend?

There are many hot end designs out thee and one difference is the length of the melting zone. The melting zone is that part of the hotend where the pushed in filament is heated up and therefore ...
2
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2answers
160 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 ...
0
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2answers
38 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 ...
5
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5answers
2k views

Heatercartridge bolt stuck

After a brownout a print failed and it got the whole hotend covered in PLA. I am now in the process of replacing some parts on the hotend (one of the thermistor legs broke of) and also wanted to take ...
1
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1answer
146 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 ...
2
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2answers
57 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 ...
3
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1answer
127 views

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 ...
0
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1answer
32 views

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 ...
0
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2answers
81 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 ...
2
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1answer
614 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 ...
0
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1answer
64 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 ...
4
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1answer
98 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 ...
2
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0answers
40 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 ...
1
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2answers
48 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 ...
1
vote
1answer
104 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 ...
0
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2answers
74 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 ...
3
votes
2answers
237 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 ...
1
vote
2answers
132 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 ...
3
votes
6answers
436 views

Do thermistors degrade in accuracy without hard failure?

Lately I've been having problems with overhangs not adhering when curvature is outward (stringing across instead) that look like what you'd see at insufficient temperature, and that go away with ...
0
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1answer
74 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 ...
4
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1answer
3k 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 ...
3
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4answers
257 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: ...
4
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6answers
24k 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 ...
1
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1answer
51 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 ...
1
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0answers
62 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'...
2
votes
2answers
313 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 ...
1
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1answer
637 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 "...
2
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1answer
2k 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 ...
0
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0answers
27 views

Heating problems on Anet A8

I've set the bed temperature to 60 °C, but it goes to 39 °C and stops heating up. I've set the hotend temperature to 190 °C, but it goes to 300 °C. Then DEF both of them
1
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0answers
275 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 ...
4
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3answers
3k 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 ...
1
vote
2answers
813 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 ...
8
votes
7answers
17k views

Constant under extrusion and filament grinding

I sadly have a big problem since a couple of weeks and I cant fix it myself. For over 20 prints, I had the same problems: At the start, everything goes well but at some point of time, my Creality CR-...
1
vote
1answer
55 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 ...
0
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0answers
66 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? ...
3
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2answers
152 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 ...
5
votes
1answer
595 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 ...
0
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1answer
219 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 ...
5
votes
2answers
3k views

How do I calibrate the temperature of my hotend?

I'm using a Monoprice Maker Select v2 (a Monoprice-branded Wanhao i3 duplicator) and would like to calibrate temperature readings for my hotend. I used a thermal probe on my multimeter to determine ...
1
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1answer
116 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 °...
0
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0answers
42 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 ...
0
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1answer
269 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 ...
6
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3answers
1k views

Why have 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 ...
0
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2answers
119 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?
0
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1answer
31 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-...
0
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1answer
35 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 ...
3
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6answers
16k 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 ...