clogged hot end

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psd
Posts: 198
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clogged hot end

Post by psd » Mon Jan 30, 2017 11:26 pm

Hello,
I had been successfully printing in PETG (same room) for a bit, I just went back to the printer and it was moving with nothing coming out.
I backed out the filament and tried to reload, it moves in extruder well enough, but when it goes from barrel into nozzle it doesn't move anymore.
Do I need to order a new nozzle?

Should I try blow torching the nozzle, and if so, how?

thanks
- peter,

innovative product designer and tinkerer

www.petersolomondesign.com

3dPrintingMD
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Re: clogged hot end

Post by 3dPrintingMD » Tue Jan 31, 2017 12:25 am

You need to remove the nozzle. There is probably a big piece jammed inside of it.

Safest way is to remove the hot end from the printer. Remove the nozzle and check.
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psd
Posts: 198
Joined: Tue Mar 08, 2016 9:09 pm

Re: clogged hot end

Post by psd » Tue Jan 31, 2017 12:31 am

Have removed the nozzle, looks clogged, what should I do to unclog?
thanks!
- peter,

innovative product designer and tinkerer

www.petersolomondesign.com

psd
Posts: 198
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Re: clogged hot end

Post by psd » Tue Jan 31, 2017 12:59 am

I removed the brass nozzle and the machine extrudes a steady flow of material, so nozzle is clogged,
Should I buy a new one or try to clean it out, and if clean out, how to do so?

if I am going to buy a new nozzle should I get the brass or the stainless steel nozzle?

THANKS!
- peter,

innovative product designer and tinkerer

www.petersolomondesign.com

KiddingMe
Posts: 47
Joined: Wed Dec 31, 2014 12:35 am

Re: clogged hot end

Post by KiddingMe » Tue Jan 31, 2017 5:13 am

Are you sure the nozzle is getting up to temp?

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Jules
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Re: clogged hot end

Post by Jules » Tue Jan 31, 2017 5:44 am

There's always plastic in a cold nozzle, it's not necessarily clogged. Since they're inexpensive, I'd pick up a spare or two, but there is sometimes a way to pull that plastic out if you want to try re-using that one.

Not sure it's worth the trouble though.

viewtopic.php?f=3&t=2942

psd
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Re: clogged hot end

Post by psd » Tue Jan 31, 2017 11:24 am

Thanks, which are better brass or stainless steel nozzles?
- peter,

innovative product designer and tinkerer

www.petersolomondesign.com

thunderbt3
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Re: clogged hot end

Post by thunderbt3 » Tue Jan 31, 2017 2:12 pm

Stainless if you plan on printing more abrasive materials such as carbon.

Brass if you plan on sticking with plain PLA.

psd
Posts: 198
Joined: Tue Mar 08, 2016 9:09 pm

Re: clogged hot end

Post by psd » Tue Jan 31, 2017 8:01 pm

is there any advantage to brass? both cost the same?
- peter,

innovative product designer and tinkerer

www.petersolomondesign.com

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sthone
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Re: clogged hot end

Post by sthone » Tue Jan 31, 2017 8:33 pm

Spares are good to have so you don't have down time because clogs happen it's just part of printing.

Once you remove the nozzle just hold it with some pliers and torch it for a bit.... that will usually burn out any crap in there. Reinstall it and reset your gap and you should be good to go.
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