Questions tagged [extruder]

Questions about extrusion hardware for 3D printers.

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8
votes
1answer
4k views

How do I calibrate the extruder of my printer?

For my DIY coreXY printer I use 2.85 mm filament that is fed into an E3D clone hotend using a Bowden tube and a custom designed extruder with belt reduction centered around an Aluminium Bulldog ...
4
votes
2answers
713 views

3D printer filament will not load after running the printer out of filament

We wanted to test the post process properties of PVA but did not want to print anything. We unloaded the ABS that was in the printer and then started loading some PVA. After the PVA was loaded we ...
24
votes
5answers
5k views

How should I clean my extruder when changing materials?

I often switch my print material, i.e. ABS / PLA / Wood / Flex, How can I best clean out my extruder between them to ensure I don't contaminate my next print?
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 ...
12
votes
1answer
13k 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 ...
14
votes
5answers
20k views

Efficient and easy way to thermally insulate the heat block of the hotend?

Sparked by this question, I wanted to discuss the most efficient and also the easiest ways of thermally insulating the heat block of the hotend. I have seen Kapton tape insulations as done here with ...
4
votes
3answers
6k views

What parts are suitable replacements for an Ender 3 Pro?

I'm new to 3D printing and I recently got my first 3D printer, an Ender 3 Pro by Creality. I've tried to find information about the type of nozzles should I look for. I'm trying to find stainless ...
27
votes
11answers
18k views

Why do the corners of my ABS object lift off the bed?

I print ABS on a LulzBot Taz 5 and frequently have issues with the corners of objects lifting off the bed. My extruder is at 230 °C and the bed is at 90 °C for the first layer and 100 °...
18
votes
8answers
32k views

What are the advantages and disadvantages of an all-metal hot end compared to one with a PTFE heat break?

Related to an issue I had in this question, where the PTFE tube feeding my filament to the metal tip of the extruder clogged and became discolored: what are the advantages and disadvantages of ...
11
votes
6answers
27k views

Extruder clicks

I have Prusa i3 derivative with MK8 extruder and Marlin 1.1RC8 as firmware. I already reduced the default speeds as well as the accelerations. But sometimes when trying to print with BQ PLA filament (...
4
votes
2answers
401 views

Extruder prints fine up until further down the print

So I recently installed a genuine E3D V6 (direct) on my AM8 (Anet a8 with upgraded frame). I have already been able to fix most of the print quality problems. But the last one is a hard one for me. ...
7
votes
2answers
2k views

Why does my part-cooling fan cause stringing?

Really strange observation with my MP Select Mini V2 printing PLA. I've printed a dual-fan shroud so I can have a dedicated part-cooling fan. I've noticed that when I turn it on, the extruder starts ...
7
votes
2answers
3k views

Anet A8 reading 739°C from the extruder thermistor!

I accidentally let the print head of my Anet A8 crash into one of 2 clips that are holding a glass sheet onto the hot bed, and suddenly the screen went blank and the printer rebooted, then it started ...
6
votes
1answer
1k 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
2answers
5k views

How to change E0 to E1 on Marlin 1.1?

I have the same problem as this person but I don't have those lines in my RAMPS.h file as seen here. I've recently burnt my potentiometer on E0 so the motor isn't ...
5
votes
1answer
471 views

Adhesion problem (heat bed or extruder issue)

I am having an issue with the transition from the first layer to the second. It seems that the first layer isn’t staying put on the hot bed and the extruder is dragging it around creating a ball of ...
10
votes
3answers
6k views

Why does my PLA filament form a spiral shape and clog my extruder?

I'm using brand new PLA filament and am getting frequent clogs in my extruder. I've had this problem with 2 different filaments from 2 different vendors. It will be print just fine, then clog up. ...
36
votes
7answers
40k views

When to use 1.75 mm vs 3 mm filament?

Why do we have two standard filament sizes, 1.75 mm and 3 mm? Does it really make a difference when printing? Or is the 1.75 mm just for smaller printers? In what situations should I ...
22
votes
2answers
2k views

How to get consistent and accurate readings from thermocouples?

I upgraded to an Mk9 dual extruder, and it came with thermocouples installed instead of the thermistors I had before. No matter what I did with the thermocouples, the indicated temperature jumped ...
6
votes
2answers
830 views

What are the appropriate ranges of gear ratios for 1.75 mm and 3 mm filament extruders?

Most 3 mm (mostly are actually 2.85 mm) filament extruders have some kind of gear reduction. Many 1.75 mm extruders are direct-drive / ungeared but some do use gears. What kind of ...
5
votes
3answers
1k views

Extruder skipping/clicking (brand new printer)

I just got a GeeeTech Rostock 301 mixer head delta printer and am having trouble honing in on why the extruder is struggling with my first spool of ABS. Being the main parts of the printer came ...
11
votes
2answers
15k views

How to choose an extrusion temperature?

From what I've been able to find out, online sources recommend around 205ºC for PLA and around 240ºC for ABS. But these are only guidelines, of course. Optimal printing temperature can be different ...
5
votes
3answers
559 views

How to unclog a clogged extruder?

I have a Wanhao Duplicator i3 v2 (A.K.A. Maker Select, Cocoon Create). My extruder got clogged: I noticed that it wasn't extruding, so I stopped my print, removed the fan, heatsink and the extruder ...
18
votes
4answers
12k views

How do I keep my extruder head from getting clogged?

Using a thermoplastic MDF printer with a 0.4mm extruder nozzle, I frequently have trouble with the nozzle getting clogged. I am not sure what's causing the clog, but my guesses are dust and/or burnt ...
16
votes
2answers
3k views

Can 1.75 mm filament be used in a printer that takes 3 mm filament?

As an extension from this question, is there any reason that you would not be able to use 1.75 mm filament in a printer that takes 3mm filament? I know you would have to change the filament size ...
13
votes
2answers
5k 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 ...
11
votes
4answers
11k views

Extruder stepper motor problem, what can be wrong?

I bought a self-made Reprap Prusa Mendel 3 printer, modified to be built from cheaper materials, and immediately after the deal I got various problems. I fixed the majority of them, but don't know ...
8
votes
5answers
8k views

How to connect filament end-to-end?

Is it possible to connect two pieces of 1.75 mm filament end to end, with no change in width? I am asking the question because I am interested in creating a multi-filament feeder to a single extruder, ...
7
votes
2answers
381 views

Zonestar Extruder motor does not work - what can I check?

While this may seem like terribly noobish question, I'm sure one day someone will have same problem. I own a ZONESTAR P802QSU (Bowden extruder) and all of sudden my extruder motor stopped working. ...
6
votes
2answers
1k views

What grade of wire is required for the heating element on a J-Head extruder?

I have a large resistor that goes in my J-Head extruder. It's grey, and it came with the extruder. I'm uncertain as to what grade of wire I need to solder to it. It being one of the elements of the ...
6
votes
1answer
1k views

Calculating extruder motor steps for 1 mm

I would like to calculate the amount of steps to turn the motor to have 1 mm of the filament. I did the following (using approximate values): The gear on the outside of the teeth as a diameter of ...
6
votes
1answer
719 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: ...
5
votes
2answers
3k views

Apparently systematic nozzle clogging

A Monoprice Maker Select V2, upgraded incrementally with a Micro Swiss all metal hot-end, machined lever, and D4 extruder gear, systematically fails to produce complete prints, as seen below: The ...
5
votes
4answers
2k views

Repeatedly Clogged Printrbot Simple Extruder

I have a Printrbot Simple Metal. The extruder is getting clogged all the time. I went through the process demonstrated here multiple times already. Heatting the extruder and pushing different tools ...
5
votes
4answers
4k views

Extruder clicking Tronxy x5s

Whenever it start printing the extruder starts clicking, I tried adjusting the voltage with no luck, it's still clicking. And it doesn't extrude a lot of plastic sometimes it even stops extruding but ...
5
votes
2answers
4k views

Sudden underextrusion on Ender3

I have printed a couple weeks perfectly fine with my Ender 3. Two weeks ago I changed the firmware but the settings were all fine and resulted in good prints. Now, suddenly during a print the ...
4
votes
1answer
1k views

Dual extruder clogging problem

I have attached a dual extruder (2 in 2 out) to my 3D printer. There is a repeating problem of clogging while printing. I have fixed Chimera hotend. A big fan, which covers area more than the ...
4
votes
2answers
661 views

Delta 3D printer extruder?

I've never gotten a 3D printer, nor do I know very much about them, but I'm thinking of buying a delta 3D printer kit for around $450. When I looked online of some disadvantages of Delta printers I ...
4
votes
2answers
487 views

How to print TPU material with 3D printer

Is there anything special for printing TPU material e.g extruder or temperature? It's my first time printing TPU material, so if you have any photos, it would be great if you can share them.
3
votes
3answers
206 views

Can commodity 3d printer extrusion hardware and filament be used for injection molding?

Assuming you have a suitable oven to maintain temperature at the filament's melting point and a suitable mold that can handle the temperature, is a commodity 3d printer hotend and extruder, with large ...
1
vote
1answer
167 views

Ender 3 Pro Extruder Stepper Skipping with a Chunk sound

I have a relatively new Ender 3 Pro, stock except for adding a tempered glass bed. I've fed about 3 kg of PLA filament so far, all Solutech brand. Near the end of the last reel, I started hearing ...
1
vote
1answer
101 views

How to fix bad extrusion that's likely caused by high pressure in the nozzle

I've got a secondhand Renkforce RF1000 which I can't seem to get working properly. Initially, I asked about hardware issues that required fixing. After fixing those I still got some inconsistent ...
1
vote
1answer
192 views

How to use an Anet A8 control board with a damaged AVR IC?

This post was taken from this comment, as the OP did not repost their deleted answer as a new question. See associated post on SE.Meta: Is it possible to attribute a wiki post to a user? With respect ...