Questions tagged [nozzle]

Questions about an extrusion assembly's nozzle component

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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 ...
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 ...
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 ...
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 ...
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 ...
4
votes
1answer
784 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 ...
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 ...
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 ...
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 ...
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....
4
votes
2answers
250 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 ...
3
votes
2answers
1k 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 ...
1
vote
2answers
7k 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 ...
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 ...
1
vote
2answers
85 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 ...
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 ...
10
votes
2answers
730 views

Ultimaker Layer Resolution vs Nozzle Size

On their website they say the following ...
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 ...
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 ...
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-...
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: ...
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 ...
3
votes
2answers
101 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 ...
3
votes
2answers
139 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 ...
2
votes
1answer
2k views

How easily can I remove/replace the nozzle of the prusa i3?

I'm considering getting a prusa i3 after my da vinci jr. fiasco, with that said, how easily can I remove/replace the nozzle in order to clean it?
1
vote
1answer
50 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
vote
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&...
1
vote
1answer
229 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 ...
0
votes
1answer
163 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 ...