0.2mm nozzle

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socke
Posts: 215
Joined: Mon Mar 21, 2016 2:55 pm

0.2mm nozzle

Postby socke » Fri Jul 21, 2017 11:04 am

I did a few prints with the 0.2mm nozzles recently, but had much more than usual problems with clogged nozzles. This happened with different materials (but mostly improved PLAs) and also different print settings. It happens also with brand new nozzles.
Sometimes, the clogging goes away after a few seconds. However the print was ruined in most cases, as these were thin walled objects.

Did anybody see the same or already solved this?

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: 0.2mm nozzle

Postby Vicky@Raise3D » Mon Jul 24, 2017 7:39 am

Are you using other PLA? Normally such size of nozzle doesn't work well with filament has other fills inside or it may clog very frequently.
And please reduce the feedrate to be 50%-70% to slow down the printing speed for 0.2mm nozzle.

socke
Posts: 215
Joined: Mon Mar 21, 2016 2:55 pm

Re: 0.2mm nozzle

Postby socke » Mon Jul 24, 2017 10:31 am

So far I tested some eSun PLA+, but more Ingeo 3D850 which has very nice properties and is very easy to print with the 0.4mm nozzle. I did not try Raise 3D PLA as it is too brittle for my application.
I made my last trials at maximum 40mm/s, but I can try again at little slower speed...

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: 0.2mm nozzle

Postby Vicky@Raise3D » Tue Jul 25, 2017 10:12 am

The clog problem normally happens to you at which stage? Preloading or Raft printing or the first several layers printing?

socke
Posts: 215
Joined: Mon Mar 21, 2016 2:55 pm

Re: 0.2mm nozzle

Postby socke » Tue Jul 25, 2017 10:30 am

The clog happens at fully random layers.
And btw. I'm printing without raft, there is no need for it as I use a heavily modified print bed.

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Vicky@Raise3D
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Re: 0.2mm nozzle

Postby Vicky@Raise3D » Wed Jul 26, 2017 9:44 am

If hand push the filament into the nozzle when no extruding, can it continue the extrusion then?

socke
Posts: 215
Joined: Mon Mar 21, 2016 2:55 pm

Re: 0.2mm nozzle

Postby socke » Wed Jul 26, 2017 10:28 am

Not immediately. But sometimes I get the nozzle free again after a lot of pushs by hand. It really needs some patience...
I'm quite sure, it is not a issue of the extruder or hotend.

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: 0.2mm nozzle

Postby Vicky@Raise3D » Thu Jul 27, 2017 5:50 am

What about higher nozzle temperature or slower printing speed or both?


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