Questions tagged [nozzle]

Questions about an extrusion assembly's nozzle component

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votes
1answer
35 views

Is it better use Nylon fillement for cold pull even if I have been using PLA?

Using Prusa I3 MK3S I am using PLA fillement and I need to do cold pull from time to time. I noticed many people on Internet suggestusing Nylon fillement for clod pull. I wanted to reach out to this ...
4
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1answer
112 views

BLTouch error causing bed and nozzle temp setpoints to change to zero

I replaced my CR-10 motherboard with no problems and ran fine for a few weeks, then decided to add a BLTouch. BLTouch was enabled from the config.h during compile. ...
1
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1answer
45 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 ...
1
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2answers
66 views

How to replace the nozzle in my hotend assembly?

What should I take care of to replace the nozzle of the hotend assembly the right way? What kind of data, precautions, tools, steps, and verification are important for replacing the nozzle? The ...
3
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2answers
81 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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2answers
161 views

My nozzle on my Ender3 V2 is higher when it is printing than it is when I auto home it

I just got a new Ender3 version two for Christmas and was very excited to use it so I put it together and used the sample filament that came with the printer and everything worked okay for a bit. That ...
1
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1answer
52 views

Quantitatively measuring nozzle wear

Are there quantitive means of measuring nozzle wear? What steps do you perform to measure this, if so? I have some digital callipers, but don't have much confidence in measurements taken, as it's ...
0
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0answers
36 views

Ender 3 nozzle moves through previous layer on lithophane

I'm trying to print lithophanes and having an issue with the nozzle moving through the previous layer and basically "drawing" through the print. I've printed 3 lithophanes before with zero ...
0
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0answers
24 views

Anycubic Mega S 3D printer: Filament is not exiting the nozzle correctly when printing

I have this weird problem with my brand new Anycubic Mega S. First of all I use the default "Normal 0.2" setting in Ultimaker Cura 4.8 and I am trying to print this *MICRO* All In One 3D ...
1
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1answer
234 views

Cura: How to prevent my 3D printer from auto cooling after prints

Is there a setting or G-code, to prevent Ultimaker Cura from setting the nozzle and build plate temperatures to 0? I have looked and have not found anything in the printer beginning/ending G-code, ...
2
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3answers
136 views

Passing from nozzle diameter 0.4 mm to 0.2 mm causing filament jamming in heater

Im using Prusa Slicer 2.1 for my FlyingBear Ghost 4. I just changed my 0.4 mm nozzle for a 0.2 mm but it seems to jam in the heater probably due to too much filament trying to get out by the nozzle. ...
1
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2answers
532 views

Removed Nozzle, Plastic Still Backed Up after Cold Pull on Ender 3

I am still very much a novice and learning so here is the situation: Filament was not extruding from nozzle. Checked the filament feeder (worked fine, filament was being squeezed through) and tried ...
3
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2answers
2k views

How to measure the nozzle diameter?

On a Creality CR-10 Max, there is a bag of unidentified spares, which include three unmarked nozzles. There is a needle that is exactly 0.4 mm in diameter, which needle fits exactly inside one of ...
0
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0answers
35 views

What tolerance class does E3D uses for their metric thread nozzles?

As we know E3D nozzles use M6 threads. These are metric threads, so they've different tolerance classes but which tolerance class are they using?
0
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1answer
122 views

For making V6 or Mk8 nozzle what tolerance specification we've to follow?

Both nozzles use M6 threads, which ISO thread specification do these nozzles use? And what should be the tolerance and surface finish (internal/external) of the nozzle bore? I found the drawings but ...
2
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1answer
242 views

What are the pros and cons of writing nozzle size vs using e3d style dots on nozzle?

e3d uses this scheme to mark the size of their nozzle: How do I read this scheme? Do we read the second row of dots after completing the first row of dots or we read 1 dot from row 1 and second dot ...
0
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1answer
1k views

MK8 versus E3d V6 nozzle [duplicate]

I have an Ender 3 and Prusa MK3S using MK8 and E3D V6 nozzles respectively. I've read some difference between these two nozzles in question "E3D V6 nozzle vs MK8 nozzle, first layer adhesion"...
0
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1answer
1k views

Material “clumping” when printing

I recently started swapping out my nozzle for different sizes. After a few times using a 0.4 mm, then 0.8 mm, then back to 0.4 mm, I now have this "clumping" going on when printing. The ...
0
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0answers
231 views

How to remove a stripped nozzle

A few months ago I got an Ender 5 printer. After a few successful prints with only PLA, I started getting a lot of issues. The last time I came back after an hour and there was just a bird's nest ...
3
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2answers
120 views

Nozzle jiggles when screwing into heating block

I've had the Ender 5 Pro, as is, for 3 months. After I tried a cheap PLA filament (maybe too cheap), it clogged the nozzle. I cleaned it, but any other filament I have would have similar problems ...
1
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2answers
117 views

Extruder always clogs up almost immediately after cleaning

I have a very frustrating problem, my extruder clogs up pretty much immediately after cleaning it from the previous clog and I cannot figure out what the hell is going wrong. I use a genuine E3D V6 ...
1
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4answers
1k views

Why do slicers have nozzle size settings? [duplicate]

It seems to me that the size of hole in the nozzle shouldn't matter in and of itself. If you program in the layer height and line width, then the same amount of plastic has to be extruded, no matter ...
0
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1answer
344 views

Increase volumetric flow rate using a longer nozzle

I'm looking to increase the printing speed, through increasing the volumetric flow rate, which is currently at 5 mm³/s. Larger amounts cause the feeding mechanism to skip steps. I'm running at ...
1
vote
1answer
814 views

Prusa MK3S 0.8 mm nozzle layers separating

I am currently printing a simple cup out of PLA (I will later anneal it). My nozzle is 0.8 mm and I'm using a 0.4 mm layer height. Unfortunately, the layers keep separating. They don't ...
1
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2answers
186 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
votes
1answer
64 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 ...
4
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2answers
200 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 ...
1
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2answers
5k 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
2k 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
946 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
votes
1answer
168 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 ...
1
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1answer
216 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
3k 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 ...
4
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0answers
68 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 ...
1
vote
1answer
77 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 ...
7
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1answer
1k 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
votes
2answers
247 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
votes
2answers
183 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 ...
0
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0answers
262 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
votes
1answer
191 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
votes
3answers
241 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 ...
2
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3answers
7k 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 ...
4
votes
1answer
724 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 ...
1
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0answers
201 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 ...
3
votes
3answers
4k 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
votes
1answer
3k views

What is the functional difference between an e3D-Style nozzle, Makerbot MK8 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 ...
2
votes
2answers
15k 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
votes
1answer
197 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
votes
2answers
10k 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 ...