Questions tagged [nozzle]

Questions about an extrusion assembly's nozzle component

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21
votes
5answers
22k views

How to identify nozzle wear

E3D-Online and Make Magazine have written about the potential damage printing carbon fiber and glow in the dark filaments can do to your printer's nozzle. What I can't seem to find is what clues or ...
13
votes
4answers
27k 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 ...
13
votes
1answer
19k views

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 ...
13
votes
2answers
6k views

Will I see a noticeable difference switching from a .4mm to a .3mm nozzle?

I currently print with a .4mm nozzle on my extruder, and my prints seem to come out fairly accurate; would I see much of a difference if I went to a .3mm? What are the pros and cons of larger and ...
12
votes
4answers
1k views

How close should the nozzle be to the substrate?

I have my nozzle close to the substrate that I am printing on, so that a piece of paper can just about slide underneath it freely, without catching. Is this the right way to do it?
11
votes
3answers
57k 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 ...
10
votes
2answers
729 views

Ultimaker Layer Resolution vs Nozzle Size

On their website they say the following ...
9
votes
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 ...
9
votes
1answer
3k 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 ...
9
votes
1answer
1k views

How thin can my extrusion be from a 1.2mm extruder?

I always assumed that the smallest diameter that you could extrude was equal to the diameter of the extruder tip itself. Recently I heard that you can actually extrude a line that's as little as half ...
9
votes
1answer
998 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 ...
8
votes
2answers
292 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 ...
8
votes
1answer
910 views

Is there any reason *not* to use a steel nozzle for printing all materials?

I know that for printing some materials like the carbon-fiber filled PLA it's recommenced to use a steel nozzle since it'll wear-out a standard brass nozzle quickly. Is there any reason to prefer ...
8
votes
1answer
345 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 ...
8
votes
1answer
2k 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 ...
8
votes
1answer
3k views

Are Makerbot Smart Extruder nozzles swappable?

I'm wondering if anyone has any experience with Makerbot smart extruders and knows whether or not the nozzle size can be changed. I'm trying to figure out if I can use different nozzle diameters (0....
7
votes
1answer
2k 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 ...
7
votes
2answers
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-...
7
votes
3answers
746 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 ...
7
votes
2answers
3k 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
votes
1answer
2k views

If I have a nozzle clog, can I easily get rid of it by simply replacing the nozzle?

I'm getting a Prusa i3 with a replaceable nozzle. If I have a nozzle clog, can I easily get rid of it by simply: replacing the nozzle, or; removing it and submerging it in acetone, or; removing it ...
6
votes
2answers
824 views

Should I use different nozzles for different materials?

I know I should use different nozzles for filaments that use vastly different temperatures but what about filament types that use similar temperatures? For example, PLA and PLA composites like ...
6
votes
1answer
394 views

What happens when I print a 0,6mm thick wall with a 0,4mm diameter nozzle?

The wall thickness is 1,2mm but the lip is only 0,6mm thick. How will the 0,4mm nozzle solve this? Alternatively I could choose a 0,8 mm thick lip, but then the connecting end should be 0,4mm that is ...
6
votes
2answers
147 views

What are the downsides and aftereffects of using a smaller nozzle?

A lot of consumer desktop F.D.M. printers comes with a 0.4mm nozzle. I'm looking to print fine details objects and I was considering trying to use a smaller size nozzle. But before I do so I would ...
6
votes
1answer
140 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 ...
6
votes
1answer
1k views

Access Temperature sensor data of 3D printer via Serial connection

I want to access the bed and nozzle temperature sensor data of a 3D printer via serial connection. Could someone please guide me in the right direction? Thanks! Edit: Response from printer: ...
6
votes
1answer
2k views

da Vinci Jr. nozzle diagram

Has anybody taken apart a da Vinci Jr. 3D printer nozzle? My first time trying to clean the nozzle after it jammed, I broke off the filament immediately before it gets heated, inside the nozzle ...
6
votes
2answers
187 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
votes
1answer
2k 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: ...
6
votes
3answers
2k 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 ...
5
votes
2answers
969 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,...
5
votes
3answers
1k 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....
5
votes
2answers
114 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?
5
votes
3answers
1k 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 ...
5
votes
3answers
175 views

Bronze Filament Problem

I made a torus that was 1 on the x and y axes, and 3 on the z axis in Blender. It is supposed to be a bead for a beaded necklace. It was exported to Cura as an .stl, then printed on a Lulzbot Mini. It ...
5
votes
2answers
1k views

Why some corners aren't sticked well?

Is this a leveling problem? or it's because the bed temperature isn't equal in everywhere? If it's because of leveling, it means the distance between nozzle and bed in this not-sticked corners are ...
5
votes
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
votes
1answer
337 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 ...
4
votes
2answers
3k 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 ...
4
votes
3answers
592 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
votes
2answers
2k views

Threads for nozzle (Anet A6 extruder)

How do I know what nozzle to get for my Anet A6 printer? I want to get some hardened nozzles because I would love to print with some glow in the dark filament, but I know that eats up brass nozzles ...
4
votes
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
votes
1answer
781 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 ...
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 ...
4
votes
2answers
264 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 ...
4
votes
3answers
475 views

The bottom of the printed objects has waves after replacing the nozzle

I had a problem with my nozzle on my homemade printer. The problem was that the nozzle with a 0.4 mm diameter wasn't putting out any plastic. I replaced the nozzle with a 0.2 mm one and now the bottom ...
4
votes
3answers
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 ...
4
votes
1answer
346 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 (...
4
votes
2answers
248 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 ...
4
votes
1answer
200 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. ...