Questions tagged [hotend]
Questions about the standard extrusion mechanism found in FDM/FFF printers.
191
questions
6
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1
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Nozzle heats while autoleveling (or before)
When I'm auto-leveling my Anet A8 with Marlin firmware, the nozzle heats to 195°C during the leveling process, which leaves drops of filament. I checked the resulting G-code but makes no sense to me:
...
- 446
5
votes
2
answers
239
views
How to heat up a Printrbot's hotend using an SD card
My Printrbot simple metal's extruder is jammed and I need to heat it up to unjam it. Unfortunately, the printer does't want to connect to my laptop regardless of the program I'm using (Repetier-Host ...
- 307
7
votes
1
answer
2k
views
Filament being pushed back out the filament hole
I just got a Monoprice Maker Select v2 off eBay for $200 and I'm very happy with it (so far). I'm learning a lot, but I've run into this problem that I cannot solve:
When I put filament into the ...
- 171
6
votes
2
answers
112
views
RAMPS won't PID tune and shows unreal temps
About two days ago, I started seeing that my hotend was heating up erratically. I first noticed this while printing a part in PETG and the temp jumped to 260 °C. I shut down the printer at that ...
- 356
-4
votes
3
answers
226
views
Heat block design without cartridge heater
Is it possible to design a heat block without cartridge heater?
My idea is to build a very small heat block to increase/decrease the heat as fast as possible. The resistance of the heat block will be ...
user9350
9
votes
2
answers
17k
views
What is the power consumption of the heatbed and hotend?
What is the power consumption of your heatbed (size) and hotend (model)?
I want to verify that it is possible to use a battery to power them.
user9350
6
votes
1
answer
349
views
3d printer drip problem
I have a problem with my 3d printer. When I am printing, the printer seems to drip.
I am very confused because I never saw this before and I do not know what to do.
I attach a picture of it.
Why ...
- 185
6
votes
2
answers
238
views
Spiky hotend and bed temps
I recently rebuilt my A8 printer to have a metal frame and replaced the board with a GT2560 reva+. I'm having problems with the temp readings from both my hotend and hotbed. Using marlin 1.1x and Its ...
- 175
16
votes
1
answer
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Which is the difference between MK6 and MK8 and even MK10?
I made and assembled my own 3D printer two years ago and I notice that some extruders are MK6 and MK(*whatever). Some of them has the block fuser horizontal and others vertical, then uses a nozzle ...
- 1,500
1
vote
1
answer
264
views
Problem With large prints on Lulzbot Taz6
I have got a Lulzbot TAZ6 3 days ago. Last night I started a print which is 21 hours long and when I returned check on it this afternoon it was a complete mess.
These are the objects that I wanted to ...
- 461
4
votes
1
answer
868
views
How should I make my PTFE tube smaller?
So, some background. I bought a e3d Lite6. When assembling the hotend, the PTFE tube does not even go in 1/4th of the way. I found out that the issue was that the PTFE tube was too wide. It measured 4....
- 401
7
votes
2
answers
5k
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Anet A8 reading 739°C from the extruder thermistor!
I accidentally let the print head of my Anet A8 crash into one of 2 clips that are holding a glass sheet onto the hot bed, and suddenly the screen went blank and the printer rebooted, then it started ...
- 333
8
votes
2
answers
2k
views
Hot end jamming very quickly
I have built a 3D printer out of parts from my tip, a ramps board, arduino mega, and a hot end. However, after doing a test extrusion some plastic was spewed out and then the print jammed un-...
- 355
4
votes
2
answers
667
views
How to print TPU material with 3D printer
Is there anything special for printing TPU material e.g extruder or temperature?
It's my first time printing TPU material, so if you have any photos, it would be great if you can share them.
- 193
2
votes
1
answer
113
views
3d Extruder temperature lower automatically (Prusi I3)
when I command to start print from SD card; extruder temperature raise slowly and print start but with in 4-5 minutes suddenly Extruder temperature lower automatically.
- 21
4
votes
1
answer
542
views
Anet A8 - hot end temperature still same
I've recently purchased Anet A8. First print went well, but now, the hot end temperature stays at ~230 °C. When I touch it, it is still cold. I tried the thermistor, and it correctly changes ...
- 161
6
votes
3
answers
2k
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How do I get a replacement PTFE tube to fit inside my nozzle?
I have been getting clogs and believe that it may be due to a damaged PTFE tube inside my hot end. I have a replacement (it came with my printer), but I can't seem to fit the tube into the nozzle.
I ...
- 217
7
votes
2
answers
987
views
Can cheap hotend parts sourced from China actually produce good prints?
TL;DR
Is it possible to build a hotend, using separate parts, sourced on eBay, from China, and still achieve a high quality print?
In my opinion, the E3D V6 hotend is rather expensive, at $/£70, ...
- 6,054
2
votes
1
answer
142
views
Aluminium cube - fan and hotend mount - is it worth it?
Has anyone used one of these aluminium cubes?
It is used to mount the fan for the hotend, when used on a delta effector, like so:
Are they a good idea?
Without actually buying one and trying it, ...
- 6,054
5
votes
1
answer
503
views
Brief very slow moves near top layers
I've been trying to change to the latest Cura (v2.4) from the older v15.04 (I'm sure there's a good story about why they reset the numbers).
There's an annoying behaviour in my prints now, and I can'...
- 301
4
votes
2
answers
8k
views
Blow vs suck air over hotend's heatsink
I've build a 3D printer from sourced parts and mounted the hotend cooler to blow air over the heatsink.
Talking to a friend, he said it's better to reverse the airflow over the heatsink, but couldn'...
- 361
5
votes
3
answers
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 ...
- 961
5
votes
3
answers
2k
views
Change 1.75 mm 3D printer to 3.0 mm printer
I am planning on buying a cheap 3D printer to get into 3D printing, but the printer I'm planning to buy only takes 1.75 mm filament, I was wondering if it might be possible to change the hotend of ...
- 153
4
votes
1
answer
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Extending extruder heater and thermistor wires
I wanted to extend the E3D V6's extruder heater and the thermistor wires. Is it ok to solder extension wires or does it have to be crimp only! Also are regular wires ok or does it have to be some ...
- 356
8
votes
1
answer
218
views
MINTEMP error after crash
I just got my HICTOP Prusa i3 Aluminium frame printer and finished putting it together. After setting it to preheat, I realized the bed was not level - I adjusted it and accidentally caused the head ...
- 121
4
votes
3
answers
4k
views
true color printing with CMYK+White (not 3-in-1 diamond head RGB)
There is this great hotend called a diamond hotend, which can be used to print in 3 colors and mix them into hundreds? of colors. This can for example be used with Red, Green and Blue filament to mix ...
- 459
10
votes
2
answers
1k
views
Prusa i3 hotend not getting to the temperature that I want (180 to 230 celsius)
I recently finished building my first printer. The only problem that I'm having is that the hotend is not getting hot enough to start printing with PLA (180 to 230 degrees celsius), the hotend getting ...
16
votes
6
answers
11k
views
What is stopping us from mixing 3D filament colors in an Extruder?
This came up in one of my groups today. That we could not color bend, or mix 3d printing filaments. I have researched but I am not finding anything talking about Plastic mixing in an extruder.
Why is ...
- 3,043
26
votes
8
answers
59k
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What are the advantages and disadvantages of an all-metal hot end compared to one with a PTFE heat break?
Related to an issue I had in this question, where the PTFE tube feeding my filament to the metal tip of the extruder clogged and became discolored: what are the advantages and disadvantages of ...
- 628
20
votes
2
answers
21k
views
What are the parts that make up a hotend, and what do they do?
My first and only 3D printer is a Printrbot Simple Metal, which has a hotend that doesn't expose any of its internal parts. Easy for beginners, I suppose: "The hotend is that tube that heats up the ...
- 961
11
votes
2
answers
21k
views
How to choose an extrusion temperature?
From what I've been able to find out, online sources recommend around 205ºC for PLA and around 240ºC for ABS. But these are only guidelines, of course. Optimal printing temperature can be different ...
- 961
17
votes
5
answers
28k
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 ...
- 2,904
7
votes
4
answers
614
views
Cleaning E3D hotend and tuning with Cura?
I just received my E3D v6 hotend and I am installing it on the open source design of a Prusa i3. How do I clean my hotend after each print and after using different filaments?
- 615
4
votes
1
answer
423
views
Would appreciate advice on unclogging hot end [Makerbot Replicator v2]
My Makerbot Replicactor V2 constantly jams. Usually when I go to use it after it's been off for a few hours the filament has jammed and I have to take off the front fan to remove the filament. Today, ...
- 41
8
votes
1
answer
3k
views
Teflon tubing in nozzle throat coming out?
I have a HE3D prusa XI3 printer with an MK8 extruder. While printing or testing, the extruder makes a clicking noise as if the filament isnt getting hot enough to extrude. I began my investigation and ...
- 605
3
votes
2
answers
458
views
Easiest way to build a horizontal hotend mount at home, without printing
For my Frankenstein's printer I am at a loss with the hotend mount. I cannot drill holes of 16 (upper diameter) and 12 mm (clamping diameter, 6mm high) which i would need to mount the E3D V6 clone I ...
- 2,904
4
votes
3
answers
444
views
Stainless tip for thermistor
I would like to secure my hotend thermistor in a more reliable way (now it is just thermistor plugged in the hotend :D). I want to have a stainless steel tip for it to fix it inside hotend with a ...
- 585
9
votes
1
answer
3k
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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 ...
- 1,601
10
votes
4
answers
1k
views
Is it necessary to have both hot ends on a dual extruder printer at the same height?
I'm thinking of another extruder on my printer, and I'm curious about this one....
Is it necessary to have both hot ends on same height? Why yes / why not? (if there is not)
- 711
7
votes
3
answers
191
views
Taking a new hotend into operation (cleaning, forming, etc)
When installing and using a new hotend for the first time, which steps of action should be taken before. This will probably be more applicable to chinese clones than to authentic products (is the ...
- 2,904
12
votes
2
answers
1k
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E3D Thermistor Alternative
E3D hotends use a thermistor whose legs are insulated with glass fiber sleeving and clamped down with a screw and washer:
This solution enables the printing of high temperature materials, but it's a ...
- 14.7k