Speed .2 IS generic profile ...
 
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Paul Harbin
(@paul-harbin)
Trusted Member
Speed .2 IS generic profile ...

bricked a brand-new nozzle. cannot clear it support doesn't listen.  I am ready to sell this thing. should have touched  stock profile ... apparently with highspeed filament i've printed 4 rolls of.  Anyone want to by an MMK 4 in germany? assembled 2 v6 nozzle adapters 2 complete heat blocks, .25 prusa nozzle mk4 one bricked .4 fresh .25 nozzle x on adapater 1 fresh nozzle x .4 on adapter 2  1 extra smooth one extra satin.  1000.

Posted : 22/09/2023 10:17 pm
Rainer
(@rainer-2)
Reputable Member
RE: Speed .2 IS generic profile ...

Are you sure that it gets better with another printer?

Why don't you get the nozzle free?

Heat the maximum and use the needle does not work?

Remove and heat with a small gas burner or hot air and throw them in cold water?

If you are already using high flow filament you don't think a highflow nozzle makes sense?

Posted : 23/09/2023 8:44 am
Paul Harbin
(@paul-harbin)
Trusted Member
Topic starter answered:
RE:

No and no and no.  
The speed better with another printer, yes.

I could post the transcript.  I'm 100% I had a bad nozzle.  I printed 24/7 for 2 months and cooked the one that shipped with. it died mid print.  I bent 3 needles.  poked at 280 for 10minutes only got a few very light bubbles of smoke.  Should I spend more money to buy a gas burner than it cost to buy another cheap brass junk pile?
Highspeed/high flow not exactly the same thing.  I am now on my 3rd large print, after 2 successful tests of the same thing with the only different factor being the crap nozzle.

V6 adapter with nozzle X ... or possibly the microswiss plated version. AND, the filament tunes different to stop stringing than in the Prusa nozzle.     .2 .1 and 45ms from .8 .1 and 35 ... I'm certain that's playing a role as well.  but larger due to a generally crappy nozzle.  that support insisted I must be the idiot on.
https://share.icloud.com/photos/058ylR6Zi0QvA9J-gAQiMZXpw Prusa .4     Brass Crap

Both 100% stock Speed .2 profile. Same Filament. 4 degree difference on temps.

https://share.icloud.com/photos/03etXOShp3bzaUz_CYw3jsFNA    non-Prusa gold.  

100% there is a defect in the heartbreak portion.

(EDIT) the nozzle that died, I ordered soon as they became available on the shop months ago.  my printer arrived 16th July. I assume the one that shipped with was a different batch.  they didnt even bother to ask for the SN on the nozzle.

 

Posted : 23/09/2023 1:19 pm
Paul Harbin
(@paul-harbin)
Trusted Member
Topic starter answered:
RE: Speed .2 IS generic profile ...

https://share.icloud.com/photos/0e1A5MFS7_cZnnFlonmDVJaEQ

Posted : 23/09/2023 1:33 pm
Rainer
(@rainer-2)
Reputable Member
RE: Speed .2 IS generic profile ...

So ganz verstehe ich dein Problem nicht. Du druckst 2 monate 24/7 mit einer Düse die dann nicht mehr funktioniert.

Wo genau ist jetzt das Problem? Neue rein und weiter.

Eine Düse ist halt auch immer ein Verschleißteil.

So einen kleinen Gasbrenner kann man auch super zum entfernen von stringing verwenden 😉

Posted : 23/09/2023 2:13 pm
Paul Harbin
(@paul-harbin)
Trusted Member
Topic starter answered:
RE: Speed .2 IS generic profile ...

Nein, 

the kaputt one was replaced with a brand new Prusa that did that.

Posted : 23/09/2023 2:28 pm
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