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What is an effective way to clean a 3D printing nozzle without involving excess heat?

Simple Jack
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What is an effective way to clean a 3D printing nozzle without taking it to a blow torch? I've seen a few videos on where it's an option. I frankly don't feel comfortable taking my nozzle to a blow torch. My nozzle is all gunked up and clogged with PETG. I prefer to clean my nozzle without the involvement of fire or excess heat. A liquid cleaning solution comes to mind but I don't know what solution would be safe to leave my nozzle soaking in. What solution can I leave it soaking in for a short period and clean it out afterwards? I would like to do a very thorough clean out of my nozzle. Please and thank you for any and all help.

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33 minutes ago, Simple Jack said:

What is an effective way to clean a 3D printing nozzle without taking it to a blow torch? I've seen a few videos on where it's an option. I frankly don't feel comfortable taking my nozzle to a blow torch. My nozzle is all gunked up and clogged with PETG. I prefer to clean my nozzle without the involvement of fire or excess heat. A liquid cleaning solution comes to mind but I don't know what solution would be safe to leave my nozzle soaking in. What solution can I leave it soaking in for a short period and clean it out afterwards? I would like to do a very thorough clean out of my nozzle. Please and thank you for any and all help.

You can buy cleaning fillament if you want. or do this: 

 

4 minutes ago, manikyath said:

heat it to the melting temperature of the plastic that's clogging it, and push it trough with the same or a similar heat plastic.

 

past that, a small drill is your best option.

You can clean it on the outside with a soft cloth and alcohol like ethanol while heated. You might not want to heat it up all the way. Remove fillament from the print head before you begin the cleaning process.

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2 minutes ago, DoctorNick said:

You can buy cleaning fillament if you want. or do this: 

 

You can clean it on the outside with a soft cloth and alcohol like ethanol while heated. You might not want to heat it up all the way. Remove fillament from the print head before you begin the cleaning process.

if you have a clog you need to push trough, no amount of alcohol is getting that out.

also, note i said the melting temperature of the plastic, not the printing temperature.

i clean PLA out my print head at around 175c

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23 minutes ago, manikyath said:

if you have a clog you need to push trough, no amount of alcohol is getting that out.

also, note i said the melting temperature of the plastic, not the printing temperature.

i clean PLA out my print head at around 175c

Please read my post again...

Edit: But yes it depends on fillament. I use 210c for petg and 230c for another roll of petg.

CPU: i7 9700K@5ghz all core (silence + summer)

cache x47, AVX offset 0

Motherboard: Asus Maximus XI Hero

RAM: Patriot Viper Steel 2x8gb@3733mhz @jedec cl15

PSU: EVGA SuperNova 750 G3

Mon:  LG 27GL850-B, 144Hz Nano IPS - G-Sync compatible/Freesync

GPU: EVGA 1080ti SC Black Edition w/ G12 bracket

Sound: Odac + Fiio E09K

Case: Fractal Design R6 TG Blackout

Storage: MP510 960gb and 860 Evo 500gb

Cooling: CPU: Kraken X62 - GPU: Kraken X42(RIP) -> X53 (From RMA)

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If you can blow torch it depends on the material.

Standard brass nozzle? you can heat it up

hardened steel? don't 

ruby nozzle? don't

etc.

 

If you don't want to take it apart try a cold pull. Assuming you have nylon filament (basically identical to cleaning filament) use this otherwise go with what ever is already on your printer. 

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