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Questions tagged [hotend]

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

2
votes
2answers
37 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 (...
2
votes
3answers
84 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
votes
1answer
24 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 ...
4
votes
2answers
296 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.
0
votes
0answers
42 views

Is it difficult to configure a dual extruder/hotend in Marlin and setting it up

My problem is that I want to build my own 3D printer with RAMPS 1.4/1.6, I already have half of the parts, but I'm still doubting if I should use a dual extruder/hotend. I do not know if this is ...
1
vote
1answer
29 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. ...
2
votes
1answer
269 views

Extruder get loose

Printer: Anet A6 I'm gaving some trouble with a loose hot end. I was trying to peel of some PLA when I noticed the whole thing was kinda loose. I could pull it out very easy. So I tried to put it ...
3
votes
4answers
167 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 ...
5
votes
3answers
913 views

Hot end temperature varies during print

If I set temperature say 220 °C, printer heats up to it and it only varies +/- 0.5 °C under non operating condition. But if I start a print, there's a shift of +/- 15 &...
16
votes
7answers
18k views

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 ...
1
vote
1answer
34 views

Trying to control temperature of hotend using PWM signal and MOSFET

I have a 40 W, 12 V resistance heater in the hotend. It also has a 100 kΩ thermistor built in. I am using an Arduino to read the temperature on the LCD. This is working fine. I want to use this ...
1
vote
1answer
68 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 ...
2
votes
1answer
237 views

Changing FAN0 to FAN1 in TriGorilla printer board

I plugged a new fan into the (TriGorilla v1.4) printer board Fan0 which I found out to be broken. I'm trying to upgrade the part cooling fan for a bigger one. Unfortunately after plugging in the old ...
2
votes
2answers
104 views

How to reduce +/- 5 degree temp swings of hotend (after PID tuning)

I have a Monoprice Maker Ultimate 3D printer (a rebranded Wanhao Duplicator 6) and out of the box the hotend temps when set to 200 would vary between 190 and 210. I used repetier-host to run PID ...
4
votes
2answers
129 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 ...
2
votes
2answers
78 views

Different lengths of filament is extruded with different temperatures

TL;DR: I'm looking to change the steps per mm but I'm not sure what to set it to. Do I decide on a temperature and change the rate based on the percentage for that temp? Or is there a more general ...
1
vote
1answer
62 views

Filament gets coiled inside the extruder

A while ago bought a Bowden extruder to replace the old built-in one (It was malfunctioning or something that I cannot remember well). This one in particular has been acquired: The thing is, that ...
3
votes
2answers
1k views

What parts are suitable replacements for an Ender 3 Pro?

I'm new to 3D printing and I recently got my first 3D printer, an Ender 3 Pro by Creality. I've tried to find information about the type of nozzles should I look for. I'm trying to find stainless ...
6
votes
2answers
2k views

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 ...
12
votes
2answers
569 views

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 ...
4
votes
1answer
776 views

Creality Ender-3 slanted nozzle

I’ve just received my first 3D printer, the Ender-3 and while assembling the unit I noticed that the nozzle is slanted and not vertical on its holder unit. Is this normal or do I have to try to make ...
3
votes
1answer
225 views

Dual extruder clogging problem

I have attached a dual extruder (2 in 2 out) to my 3D printer. There is a repeating problem of clogging while printing. I have fixed Chimera hotend. A big fan, which covers area more than the ...
2
votes
1answer
61 views

On my TEVO Tarantula, is there a way to test that its heater pins are working?

I can no longer print anything because I get a E1 heating failed error on my TEVO Tarantula every time I try to heat the hotend. The bed heats just fine. I've removed the heating element and ...
2
votes
1answer
38 views

Hotend temperature reading limited

After doing some repairs and upgrades on my Ultimaker Original, I found my temperature readings to be weird. The reading is not incorrect, as long as the temperature is above 110°C. When the real ...
12
votes
6answers
6k 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 ...
6
votes
1answer
464 views

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: ...
5
votes
6answers
1k 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-...
6
votes
2answers
157 views

Hotend heating failure too short before limit

I am trying to resolve this for months and have tried almost everything, I guess. I am using Marlin firmware on a custom extruder with a custom fabricated heating block in which heater and thermistor ...
3
votes
2answers
97 views

Hot end considerations for 300+ °C and greater than 1 mm nozzle size for polycarbonate

I need help with finding what properties or designs I need to look for. I know that I will need these characteristics to work with the material of my choice: Can reach 300 °C or up Can handle ...
6
votes
1answer
484 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 ...
7
votes
2answers
68 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 ...
4
votes
3answers
315 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 ...
6
votes
1answer
136 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 ...
4
votes
1answer
346 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 ...
5
votes
2answers
290 views

Insulate hotend on Makerbot Smart Extruder

Simple question: how do you reinsulate the MakerBot Smart Extruders? Backstory: I work at the library. We've recently replaced the MakerBot (extruder connection issues followed by software ...
3
votes
1answer
276 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, ...
5
votes
2answers
103 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 ...
7
votes
2answers
352 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, ...
5
votes
3answers
978 views

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 ...
6
votes
1answer
521 views

Would a really short melt-zone be beneficial

IANAE (I am not an engineer), but I've been wondering: wouldn't it make more sense to limit the length of the melt-zone and hot-end as much as possible? I've been having a lot of problems with nylon ...
7
votes
2answers
2k 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.
-4
votes
3answers
108 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 ...
6
votes
2answers
74 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 ...
4
votes
3answers
2k 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 ...
1
vote
1answer
114 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 ...
3
votes
1answer
392 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....
14
votes
5answers
13k 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 ...
6
votes
2answers
886 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-...
2
votes
1answer
73 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.
2
votes
1answer
96 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, ...