Questions tagged [extrusion]

Questions about extrusion mechanisms in varying types of 3D printers or the extrusion process.

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1answer
29 views

Filament Spool Stalls Extruder Motor Destroying Print

I am having the frustrating problem where my extruder motor starts skipping steps and stops extruding simply because my filament is wound too tightly. There are some parts of my filament that are so ...
3
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1answer
23 views

Filament Jamming in Hotend. Why?

This has me stumped. I had been printing normally until this happened. Below is an expurgated version of my headache over two days. Some help would be appreciated. Printer is Hypercube Evolution (...
2
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0answers
15 views

Over-extruding on small layer heights (0.06 mm), but fine above 0.15 mm?

I re-assembled an i3 that used to be on a production line. It works OK when the layer height is set to 0.15 mm, but it over extrudes “A LOT” when used with a layer height like 0.06 mm. At first I ...
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3answers
47 views

Do print issues (extrusion, blockage, etc...) become less of a problem with more expensive printers?

I own an Ender 3, it's about 3 years old and the issues I have with extrusion, leaking and filament blockage are monstrous. Examples of problems like this are filament flow issues, filament blockage, ...
0
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2answers
62 views

How do I make the layers stick together more and warp less?

I have a Chiron from Anycubic and I have had some leveling issues in the last few weeks, however, I believe that I have sorted that. The layers attached to the base plate or the raft now come out very ...
0
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1answer
22 views

Clearing persistent partial clog after printing nylon

My Prusa i3 MK3S printer experienced a partial clog last time I was printing with nylon. Although I've experienced clogs and partial clogs before, all the usual tricks I've tried have not worked this ...
2
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0answers
32 views

Custom slicing solution needed

So I have a printer that I'm prototyping right now, and it's a little different; the Y-axis is a rotary drum. To compare to a bed-slinger, instead of the surface traveling forward and backward, it ...
8
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2answers
1k views

Finding a shredder for my failed prints

I would love to re-use my failed prints by re-extruding the plastic to be used in the 3D printer once again. One thing that stands in my way is finding an effective way to shred the plastic into ...
2
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2answers
250 views

Inconsistent layer widths and uneven outer walls

I have problems with layer widths and uneven outer walls on my 3D prints. Sometimes layers are squeezed and sometimes pushed outside. I noticed that these problems happen when there are retractions on ...
1
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1answer
96 views

Are there FDM epoxy/resin printers?

After seeing a question about FDM printing of temperature-resistant parts, high-temperature 2-part epoxy came to mind. Are there any (experimental or production) FDM extruders for laying viscous, fast-...
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2answers
2k views

Creality CR-10 problems with extrusion while printing

I have an extrusion problem with my creality CR 10 3D printer while printing. I am using a standard 0.4 mm nozzle with a 1.75 mm diameter PLA and I use Cura as my slicer. This printer ...
3
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1answer
4k views

Ender 5 Pro print quality issue

I got my 3D printer from Creality 1 day ago. My dog off the SD card came perfectly, Benchy was also printed almost flawlessly. I used standard Benchy settings on all my prints. Now I tried making a ...
2
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2answers
226 views

Why does FlashPrint have different (non-100%) default extrusion ratios for different filaments?

In FlashPrint there is an Extrusion Ratio setting. It's set to 97 % for the stock PLA profile and 107 % for the stock PETG profile. I would've thought these would be 100 % by default (and the same for ...
1
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1answer
127 views

Bed is leveled and not warped but still uneven printing?

I have the Creality CR-10S. I replaced the glass it originally came with as it was warped and I wasn't getting any material out on 2 of the sides. I switched to a PEI sheet and got the same results ...
2
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1answer
320 views

Extruder stops printing before finishing first layer (Ender 3 v2 w/BIQU H2)

Let me preface this with me being quite a newbie to 3D printing, however, I am an engineer and coder, so tinkering with stuff like this is quite the norm for me. Don't be afraid to be too technical, ...
1
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1answer
165 views

Ender 3 v2 layer skips

I am having some issues with my printer skipping/not extruding random layers of my prints. It happens a few layers in and sometimes doesn't even affect the entire layer. I have tried switching from ...
0
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2answers
938 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
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1answer
105 views

What makes a new nozzle clog before I can finish the print?

I found my Ender 3 was skipping extruder steps a lot, mainly while printing infill (tri-hex at 30%), to the point I saw several layers of infill with spotty extrusion or nothing adhered at all. When I ...
3
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1answer
43 views

Ender 3 extrusion not working properly

I got a new hotend for my Ender 3. When I start to 3D print a model, everything seems to be going well. After about 20 minutes or so the extrusion stops and the extruder motor can't push the filament ...
1
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1answer
742 views

How to calculate the extruder gear ratio given a desired max printing speed filament diameter and nozzle diameter?

I have a Printrbot LC with the following extruder gears: Stepper on the right, filament toothed gear inside, same size of the small stepper gear. I don't have much more information besides the model ...
4
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0answers
186 views

Inconsistent layer stacking

I'm throwing this out that as a long shot, as I'm not sure if anyone can help me, but maybe there's someone out there who had a similar issue and might have successfully dealt with this before. I'm ...
2
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0answers
40 views

Bioprinter does not extrude Anet A8 Marlin

I have a modified Anet A8 that is supposed to print hydrogels (paper : Ultra-Low-Cost 3D Bioprinting, Kahl M et al. 2019). For this to work, we do not need any temperature-related settings, however, I ...
2
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4answers
3k views

New PETG spool from eSUN is making popping sound while extruding

I just bought new eSUN PETg filament. When I started to extrude it, I heard popping sound same as moisture boiling out of it. I don't expect new eSUN vaccum sealed filament having moisture content. Is ...
2
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2answers
178 views

Prusa MK3S not extruding during printing but extruder working

I didn't have any printer-related problem for the past 6 months, but now all of a sudden my Prusa MK3S stopped extruding during printing. This is very strange as I can easily load\unload filament and ...
1
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1answer
36 views

Prints have over extrusion only during diagonals

So I have printed multiple benchies with various slicer settings. I have also made sure my bed is leveled well. But no matter what I do, I get these over extrusion whenever my nozzle is moving in ...
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5answers
196 views

Will 3D printing work upside down or in zero gravity?

I assume SLA printing only works on Earth and upright. But would fused-filament printer (e.g. Prusa Mk3) work in zero gravity? What about upside down or sideways? If not, could it be modified to work ...
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2answers
424 views

CR10 V2 under extruding and heating up too quickly

The heater cartridge on my CR10 V2 broke so I ordered a new one(12V). After replacing it the new one heats of very quickly past the target temperature and the slowly decreases to the target. Once it ...
6
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5answers
15k views

Ender 3 Extruder First Layer Perfect But Then Starts Clicking Afterwards

All of a sudden I seem to be having a lot of issues with under extruding on my Ender 3. The bottom layer (of height 0.1 mm) prints perfectly fine. This is done at 15 mm/s speed. However, The ...
4
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1answer
724 views

What are ways to avoid heat creep?

Printer configuration and many settings affect heat creep. Heat creep stopping extrusion doesn't necessarily involve melting the filament too high above the nozzle. All it takes is making the ...
0
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1answer
62 views

My Monoprice Select Mini v2 isn't pushing out filament and it isn't the nozzle

The printer isn't pushing out filament. I'm using the filament that came with the printer, and I know it's not the nozzle. I've tried to get the metal piece surrounding that goes from the Bowden ...
1
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0answers
66 views

What volumetric extrusion rates can the Ender 3's stock hotend achieve?

With a fully stock Ender 3, the limiting factor is almost surely the extruder, not the hotend, so I'm asking from a standpoint of having an upgraded extruder (mine is direct drive) but stock hotend. I'...
2
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2answers
431 views

Power consumption of filament extrusion

I'd like to calculate the power lost through the filament being extruded (or in other words, at how many Watts I'd have to run an ideal heater that loses heat ONLY through filament so that it stays at ...
11
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9answers
36k views

First 3 mm prints poorly, then fine after that

I have an Ender 3 that I have been pretty happy with so far, however it recently started an odd behavior and I can't figure out what's causing it. What happens is that the first ~3 mm of the ...
1
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1answer
669 views

Incorrect inner dimensions of 3D prints with Ender 3

I have problem with my Ender 3. Whenever I print, I have proper outer dimensions (accuracy usually better than 0.1 mm, sometimes a bit worse), but every hole, pit or any inside dimension is inaccurate ...
0
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2answers
77 views

What is cause of blob when layer area reduces by 50%?

This is printing PETG extruding at 250 °C, 1st layer bed at 80 °C then 60 °C on other layers. Nozzle is 0.4 mm; printer is German Reprap X400. The all metal extruder is clean with no oozing. The ...
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0answers
53 views

Top and bottom of part not coming out smooth

I have an Ender 3 printer and can not figure out why the top and bottom layer of this print comes out the way it does every print. I have tried increasing the initial layer height to 0.3 mm and ...
1
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1answer
644 views

How to change the extrusion value (E parameter) in G-code?

Before I ask you my question I want to summarize my problem. I am trying to build my personal 3D Printer and I can send the controller of my Extruder (Motor) only integer values. Slicer (Cura) ...
8
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7answers
17k 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-...
4
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2answers
9k views

Ender 3 Pro Filament extrusion problems

I run quite a few Ender 3 Pro's using the same slicer settings (Simplify3D), and just recently I have noticed a very odd extrusion problem. I find that at about the same height on several printers ...
0
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1answer
99 views

Printer is over extruding for the first few layers

I'm facing a strange issue where my printer is over-extruding only for the first 6-8 layers (layer height of 0.2 mm). All the layers above that have no such issue, which, as far as I understand, rules ...
1
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2answers
42 views

Help fixing Prusa i3 MK3 print jams

While printing a paint rack from thingiverse I keep getting jams. Other prints (shorter) work fine. Can anyone give me a clue? Here's a video of the printer I thought it was heat creep so I increased ...
2
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2answers
101 views

e-steps are wrong only during printing moves

I have two otherwise-identical machines (called "Lefty" and "Righty"), so I have a baseline to compare. I am running Marlin 2.0.7.2 on both machines. They are Creality CR-10 ...
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0answers
194 views

Ender 3 Pro - Randomly skip lines

I am a newbie to the 3D printing world. Every night spending hours researching and troubleshooting. Recently though I am having a weird problem for which I can not figure out a solution. While ...
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1answer
161 views

How is the extrusion rate matched to the movement speed?

A typical line of (depositing) G-code seems to set a maximum speed (F), a new position to move to (X, ...
5
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1answer
2k views

Temperature offset on Wanhao Duplicator i3 Mini

I'm trying to print with PLA on a new Wanhao Duplicator i3 Mini. In regular temperature settings (200-210°C) the printer underextrudes and the extruder motor skips, which led me to suspect low nozzle ...
6
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4answers
6k views

Why is my 3D printer over extruding when I have set the flow rate very low

Hello I am using Cura to slice my prints, and despite turning the flow rate to the minimum value of 5%, my prints are still hugely over extruding. I have calibrated the extruder stepper perfectly, ...
1
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1answer
3k views

Ender 3 Pro extruder drive rocking back and forth

I've been running this Ender 3 Pro for quite some time with no problem up until recently. The issue was the printer refused to extrude filament (the extruder stepper seems to be rocking back and forth)...
1
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1answer
99 views

Resume print but no extrusion

Had a print stop about 20 % through and read through some old questions (3+ years) so I'm posting again. Apologies if it's in here some where... Found the layer to restart, deleted everything from ...
1
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1answer
49 views

What causes this characteristic pattern and what is it called?

I am using a Qidi Tech 1 (Flashforge Creator Pro). There is no auto bed leveling and I have done my best to tweak it by hand using the screws underneath the heated bed plate. What is causing this ...
2
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2answers
3k views

Gaps between perimeter walls; potential under extrusion?

The cube is a 2 cm x 2 cm with infill at 30 % and layer height 0.2 mm, more details can be seen below. I'm printing with PETG using an Ender 3 printer. There seems to be a gap between the perimeter ...