Questions tagged [extruder]

Questions about extrusion hardware for 3D printers.

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12
votes
6answers
31k 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 (...
5
votes
3answers
405 views

3D printers for ceramic clay?

Are there any extruders and printers that do a good job with ceramic clay? I assume the clay has to be fine grained and with enough water added to be able to be pushed out through the extruder's ...
11
votes
4answers
13k 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 ...
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 ...
1
vote
0answers
180 views

3D printer with a cartridge [closed]

What are the possibilities of building a 3D printer which uses a cartridge-style material filling rather than the conventional extruder setup? The idea of the cartridge is to eliminate the necessity ...
2
votes
0answers
125 views

Will this printer be good enough to make prototyping models? [closed]

I'm new to the 3D printing world, but I've been doing some research over the past couple weeks. I need a printer that is decent enough to make prototypes using simple 3D software (I use Blender for ...
7
votes
1answer
926 views

Loss of extrusion in Stratasys FDM liquefier

I am running a Stratasys Dimension 768 SST, with a "rebuilt" extruder (dual setup includes support + model). This extruder, basically, follows the OEM design with exception to the tubing diameter (few ...
2
votes
1answer
110 views

Print job stops when given serial command

I want to access the bed temperature of the 3D printer. I am able to get the temperatures using serial connection (Thanks to Demetris's help (Access Temperature sensor data of 3D printer via Serial ...
5
votes
2answers
162 views

German RepRap NEO only heats to 130°C

I have a new German RepRap NEO 3D printer, and when I try heating the Extruder to 215°C with Repetier-Host Mac 1.0.1, it always stops at 130°C - does anybody have an idea what could be the reason?
23
votes
8answers
48k 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 ...
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: ...
5
votes
4answers
975 views

First Layer problems?

I am using the E3D v6 hotend with the titan extruder. Everytime I go to do a test print, just enough stringy filament oozes comes out of the hotend "right before" it lays down the first layer. I have ...
3
votes
1answer
445 views

Advance extrusion, extruder code help?

I not sure what this code does..... I recently bought a titan extruded that needs to be calibrated with my printer (417 microsteps http://wiki.e3d-online.com/wiki/Titan_Assembly#Firmware_Calibration). ...
6
votes
4answers
3k views

Good methods to clean extruder gear (hobbed) from filament pieces?

I'm using a CraftBot original to print PLA, but some of the filament has become stuck in the teeth of the extruder gear on its way into the hot end. I'm having issues with the gear becoming stuck and ...
8
votes
2answers
47k views

Extruder is running backwards?

I have a (HIC) version of the Prusa i3. I have recently installed the E3D v6 hotend and titan extruder. After fixing some other issues, I noticed that there is no filament being extruded. In addition, ...
8
votes
5answers
11k 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, ...
11
votes
6answers
2k views

Pulling filament through long tubes

I'm setting up my printer in a small room, and I thought I'd come up with a system for more easily swapping filaments, but I'm not yet sure it is feasible. Rather than physically replace the spool, I'...
9
votes
2answers
2k views

M3D filament not extruding well (anymore)

I use OctoPrint on an Ubuntu system with a M3D printer. Midway through a recent print, the filament just stopped extruding although the motor-functions of the printer were proceeding fine. Since then,...
11
votes
2answers
20k 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 ...
15
votes
5answers
25k 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
2answers
1k views

Failing slow extrusion after upgrade to E3D hotend

I recently upgraded to a E3D full hotend and I started to have problems with slowly printed parts. After I print first object and start next one, then the first layer has serious issue. The first two ...
5
votes
2answers
812 views

What is causing these artifacts when the extruder moves in one direction?

I have a Prusa i3 that I am mostly happy with. However, I am seeing these strange artifacts when the extruder moves along one axis in one direction - in particular from the back of the printer towards ...
10
votes
3answers
8k 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. ...
4
votes
1answer
388 views

Would appreciate advice on unclogging hot end [Makerbot Replicator v2]

My Makerbot Replicactor V2 constantly jams. Usually when I go to use it after it's been off for a few hours the filament has jammed and I have to take off the front fan to remove the filament. Today, ...
2
votes
1answer
98 views

Brass rails, bunting bearings ok for x,y axes?

new to 3D printers and to this community :) Would a 1/4" brass rod with bronze bunting bearings for sliders and SAE 30 oil suffice for X and Y axes with moving extruder instead of print surface? I'm ...
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 ...
5
votes
1answer
618 views

How to compensate for bad quality filament?

Bad filament with changing diameter causes an uneven flow of plastic out of the nozzle. Besides buying very high quality filament (do we really want to be dependent on professional Filament producers?)...
4
votes
2answers
198 views

Prusa XI3 Extruder Calibration

I have done the calibration for the x, y, and z axis and everything works fine there. However when I went to do the calibration for extruder things got a little weird. The original number programmed ...
2
votes
1answer
54 views

Attaching the resistor for the J-Head Extruder with Type 44 Non-Contaminating Heat Sink Compound?

I saw a video in which someone used GC Electronics Type 44 Non-Contaminating Heat Sink Compound (Part No. 10-8118) to hold the resistor for heating up the J-Head extruder head in place. Is that a ...
6
votes
1answer
2k views

What kind of silicone glue should I use to attach my thermsistors?

I was watching a couple of videos about installing a Thermistor on the heat-bed and extruder of my Prusa i3; both videos mentioned that if I use either Sodium Silicate (Muffler & Tail Pipe Sealer) ...
4
votes
2answers
343 views

How to build the extruder motor holder for the Kossel Mini

I'm building a Kossel Mini, and I'm stuck on the extruder motor holder. My Kossel came without instructions, I was given a set of instructions by a friend (the "Kossel Build Guide" by Blomker ...
6
votes
2answers
1k 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 ...
4
votes
3answers
396 views

Stainless tip for thermistor

I would like to secure my hotend thermistor in a more reliable way (now it is just thermistor plugged in the hotend :D). I want to have a stainless steel tip for it to fix it inside hotend with a ...
1
vote
2answers
616 views

Which hotend does not clog and is good to use with a Bowden 1.75 mm setup?

I'm building my own 3D printer (custom design, made by me and cut using a water cutting machine) but I have always had problems with the hotend clogging. I have had four hotends: a J-Head; a full ...
1
vote
2answers
1k views

Heat sensor problems with Makerbot Replicator 2X

We have a Makerbot Replicator 2X at our school. I have a class in the computer lab and one of our focuses is using the printer. Currently, it is not printing properly. We are using PLA at 210 ...
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 ...
10
votes
6answers
2k views

Are the Makerbot 5th generation's initial issues resolved

I am considering buying a 3D printer for work (scientific research). On paper, the Makerbot 5th generation seems to be the best option, because the price is right for my budget, and also because I'm ...
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 ...
18
votes
3answers
2k views

Filament extrudes at an angle

On one of the nozzles on my printer, the filament comes out at a 45 degree angle. It seems that this causes problems with adhesion to the bed and overall quality. What caused this problem? How do I ...
16
votes
2answers
4k 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 ...
39
votes
7answers
50k 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 ...
24
votes
5answers
7k 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?
18
votes
4answers
17k 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 ...
22
votes
2answers
3k 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 ...
28
votes
11answers
25k 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 °...

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