Questions tagged [nozzle]

Questions about an extrusion assembly's nozzle component

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51 views

Is there any reason not to clean nozzles with fire?

Specifically using stainless steel nozzles, but I guess it's worth knowing about brass too. Is there any reason to be concerned about dimensional accuracy of the nozzle or anything like that as a ...
2
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1answer
40 views

Nozzle cleaning tool broken inside nozzle

Recently I opened up my printer (PowerSpec Duplicator i3 Mini V2)to clean the nozzle (it comes with the little tool to get tiny bits of filament out of the nozzle). Well, I was using that and when I ...
2
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0answers
36 views

Prints coming out very stringy

So these past few days I have been 3D printing again with my Ender 3 with PETG and 0.4 mm nozzle and while I have been using the same setting as usual I am seeing an unusual amount of stringing ...
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2answers
153 views

Marlin NOZZLE_TO_PROBE_OFFSET with glass

In my custom printer I have probe and nozzle at same height and configured Marlin this way: #define NOZZLE_TO_PROBE_OFFSET { 43, -20, 0 } On the bed I've a 2&...
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0answers
45 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 ...
5
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2answers
810 views

Is there an engineering/physics foundation for application of airbrush nozzles?

Lately I noticed that there is a new type of nozzles (called airbrush nozzles?!?) available; typically found on those online overseas vendor sites. The nozzles are advertised for usage in E3D hardware,...
3
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1answer
70 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 ...
0
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1answer
57 views

E3D V6 nozzle seized into heater block

The 0.4 mm brass nozzle in my Prusa i3 MK3 is worn out - the extrusion hole is visibly larger than the replacement nozzles I have to fit. So I’m trying to replace the nozzle. Unfortunately the ...
3
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2answers
526 views

Prusa i3 MK3S keeps clogging during print. Ugly streaks sometimes, and complete clog when printing with lower layer lines

The extruder on my Prusa i3 MK3S keeps clogging while printing. Loading is fine, and each time it clogs, unloading and loading the filament seems to work. The filament extruded just after resolving a ...
3
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0answers
49 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 ...
9
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5answers
2k views

What is the purpose behind a glass nozzle?

So while doing some research I stumbled upon a wiki page on reprap from a few years back where the user was creating a glass nozzle to replace the brass and PTFE assembly.1 Does anyone know the ...
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1answer
41 views

Anycubic Kossel Plus raises the Printhead around the corners of the bed too High if the print is too close to the corners

Hi guys I am quite new to 3D printing. I am having this problem with the printhead rising too high during printing when it gets near to the beds' borders. It isn't a problem with smaller prints but it ...
6
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1answer
346 views

When should I replace the nozzle on my printer?

I have what I assume to be a brass nozzle, and I only print in PLA. I am starting to have some issues with first layers and stringing. I'm wondering if I should replace the nozzle. What signs should I ...
2
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2answers
89 views

Problems with under extrusion and clogs on CR-10

I've asked a question before on the extruder gear clicking on my CR-10, but I'm certain its because of the nozzle getting clogged for some reason. I'm using a standard 0.4 mm nozzle with white ...
3
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2answers
105 views

Nozzle cleaning

A few minutes after finishing a print job, the filament is solidified in the nozzle and the nozzle-throat. When I start another print job a while later, the filament is not sufficiently melted and the ...
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0answers
70 views

Too long time to wait for M109 to stabilize when changing extruders

I would like to kindly ask for some advice. I've got 2 extruders and 2 nozzles, they are working fine. I'm printing from Ultimaker Cura 4.1 generated files. I have problems with temperature ...
2
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1answer
77 views

What clearance should I leave between parts that are supposed to fit together perfectly when using a .6mm diameter nozzle?

Here's the thing that I'm working on putting together (the purple stud on the bottom right should be up higher like the one on the left). Notice how the purple studs fit into the red ring? Well, most ...
3
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3answers
102 views

How to solve spillage problem?

I've done calibration test with "Concentric circle test" (https://www.thingiverse.com/thing:11895) and at specific points there are little bumped points on the print. Also Thingiverse page of the test ...
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3answers
854 views

How to avoid nozzle from hitting the model?

When printing objects higher than approximately 8-10 cm, sometimes nozzle hits the printed model and knocks over it. After 7-8 hours of printing that's really annoying. I'm using Creality Ender 3 ...
3
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1answer
321 views

What does nozzle size affect besides line width in, e.g., Ultimaker Cura?

The Ultimaker Cura documentation says Tip: If you use an unavailable third party nozzle size, set the line width to equal the nozzle size. I sliced an object with a 0.3 mm line width. When ...
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0answers
117 views

Creality CR10 S5; the Z dimension is wrong after switch from 0.4 to 0.2 mm nozzle

So I tried to print a model with a 2 mm thickness main area, and a couple 4 mm parts that stick out. Instead the 4 mm is 3.05 mm and the 2 mm is 1.07 mm (0.042 inches ...
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3answers
718 views

Can't seem to fix over extrusion

I'm struggling to get my printer up and running for a few days now. The problem is as follows. I got a test model of a cube (40x40 mm) and everytime I try to print it, the nozzle creates these '...
4
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1answer
1k views

What is the functional difference between an e3D-Style nozzle and M6 Chinesium Nozzles?

There is pretty much an ecosystem of two Nozzle designs out there that share the M6 thread on the coupler to the Heating block: the e3D "snub nose" or "shouldered" design. the "Chinesium" nozzle ...
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3answers
5k views

Which nozzle should I buy for Anycubic i3 Mega?

I'd like to buy a new nozzle for my Anycubic i3 Mega because it's not precise enough - it fails to print small details like 1 mm eyebrows. Currently it has a 0.4 mm nozzle and I'd like to ...
2
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1answer
140 views

Replacement Nozzle options

I was working on what should have been a simple nozzle clog, and due to my own clumsy handling it looks like I'll now need a completely new nozzle for my 8 month old printer. Fortunately they're not ...
2
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2answers
3k views

PETG Sticking to Nozzle

For a while now, my AmazonBasics PETG filament has been working like a charm. Now, it is balling up on my nozzle. I've tried slowing it down, re-leveling the bed, etc. I don't want to go through the ...
1
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0answers
51 views

Path of a nozzle crosses over itself

I built my first printer couple of days ago. I started printing small models (20x20 mm max.) and everything was alright at first. However, when I tried to print a bit larger models, I started ...
3
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2answers
444 views

Correct nozzle replacement

I have a Monoprice Maker Ultimate 3D Printer and have tried to replace the nozzle. The nozzles I bought turned out to be too small. What are the important specifications of a nozzle? Thread size ...
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2answers
3k views

E3D V6 nozzle vs MK8 nozzle, first layer adhesion

Does anyone notice that when they upgrade from an MK8Makerbot(?) to a E3D V6 hotend that when using the same settings and bed-leveling/z-distance-setting procedures, that the filament is much more ...
2
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1answer
410 views

Material extruded to prime the nozzle doesn't stick to bed at first

When the material is extruded to prime the nozzle before the print starts it doesn't always stick to the bed for the first 20 or 30 mm of the line, causing the material extruded just after to peel off ...
2
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3answers
3k views

Filament Leaking During Automatic Bed Leveling

Before the print has actually started I have set up Auto Bed Leveling using a BLTouch sensor, during the period that this runs I find that material leaks out of the nozzle and curls back onto itself ...
3
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2answers
947 views

Scratches in the build plate - How did this happen, and may it cause problems?

A couple of prints after leveling the bed (<10), I noticed some weird sound, and saw the nozzle scratching the build-plate. What is really weird, is that I noticed (My printer is in quite a dark ...
4
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3answers
504 views

Can leaving the nozzle at 160 °C continuously on in between prints affect the viscosity of the prints?

We're printing on a WASP 3MT pellet extruder with PLA. To save time, we're leaving the hotend at 160 °C between prints but realized that the print quality varies, from one print to the another, ...
4
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1answer
189 views

Does color changing PLA require a hardened nozzle?

I've seen comments about glow-in-the-dark filament being abrasive and would damage a bronze nozzle so a hardened nozzle is recommended. Is the same true for filament that changes colour when warm (...
5
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3answers
626 views

Can the filament tube be outside of the nozzle?

I bought a few new nozzles expecting them to come with that little tube that comes out of the nozzle. They didn't come with them after all, so I tried to reuse the tube I originally had in the printer....
8
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1answer
295 views

Tevo Michelangelo nozzle below build plate?

I got a Tevo Michelangelo as first 3D printer today and already got a problem with the bed leveling: The extruder nozzle is way below the build plate. (When I auto-home the axes, which I've done ...
5
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1answer
229 views

Makerbot Smart extruder+ heat block and nozzle question

I am looking for information on the smart extruder+ heat block and nozzle? I have looked online and from several forums come to the conclusion it is either a MK10 or MK11 assembly. Can anyone shed ...
8
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2answers
191 views

Geeetech Prusa i3 Extruder seems to push more filament, gear slips/skips?

I got my first printer, a Geeetech Prusa i3, and for the price I paid (160$) I am so blown away. As I saved so much money, I treated myself to a legit copy of Simplify3D, which I am happy with. I'm ...
7
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1answer
2k views

Slicer line width vs. extrusion multiplier for layer adhesion?

My question would like to address what would be better for adhesion and general quality and possibly strength: either increase the slicer line width option or increase the slicer extrusion multiplier ...
10
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4answers
14k views

Why is it conventional to set line width > nozzle diameter?

I recently became curious about the Line Width setting in Cura and why one might change it if they aren't using different size nozzle. Since I've gotten my Ender 3, I've always kept the line width ...
5
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2answers
3k views

Extruder/nozzle keeps clogging up

I have an Adventurer 3 printer from Flashforge and every time I unclog it, it gets clogged up again. I’ve done about 6 or 7 prints with it. So after I unclog it, I load the filament and it comes out ...
5
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2answers
105 views

Do all 3D printers allow the printing of flexible material? [closed]

Are there any specific type of FDM 3D printers that I should look for?
9
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1answer
761 views

Wear resistant nozzles

I recently purchased some glow-in-the-dark PLA filament (just "because"). Being new to 3D printing, I didn't realize you shouldn't run this type of filament through a standard brass nozzle and should ...
9
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3answers
27k views

Ender 3 nozzle homes off the bed in the Y axis

I just received my new Creality Ender 3. I was going through and checking/adjusting everything for alignment, and I noticed that when you "auto home" the print head, the nozzle stops off the front of ...
7
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2answers
1k views

Nozzle heats up past the setpoint and increases

I made a few successful prints since I got my CR-10 two weeks ago and I didn't run into any major trouble. The printer is new. Today I set it to "preheat" mode while I was preparing the SD card with ...
6
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2answers
131 views

Extruder clogs with HIPS

I've got a Prusa i3 MK3. I have printed with PLA, PETG and tried HIPS. Haven't had any clogs with PLA and PETG, but with HIPS I've got a weird problem. My first three test prints in HIPS went fine, ...
6
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1answer
998 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: ...
4
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2answers
164 views

What will be the best way to remove pla from a volcano nozzle?

My print popped out from the bed and glued to the nozzle. As the printer was printing next hour or so, a lot of pla was extruded and formed on the nozzle. I'm wondering what will be the best way to ...
7
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3answers
571 views

Anet A8 bad/inconsistent extrusion after changing nozzle

I just changed my nozzle on my Anet A8 after it was fully used up. When I started printing with my new 0.4 mm nozzle (same as before) my extrusion was VERY bad and inconsistent, even so bad I ...
6
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1answer
120 views

Why is my filament pressed together at the nozzle

When I wanted to take out the filament from the extruder, it didn't wanna come out, it was stuck (even when I heated up the nozzle). So I unscrewed the nozzle and it looks like the filament is all ...