Cleaning nozzles after removing?

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LePaul
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Cleaning nozzles after removing?

Postby LePaul » October 29th, 2016, 10:30 pm

I am curious...what is the best way to clean up the remaining PLA stuck in the nozzle after you remove it? (Using the Ultimaker 2 remove filament method and while it does a good job, there's still stuff in there)

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MTVDNA
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Re: Cleaning nozzles after removing?

Postby MTVDNA » October 29th, 2016, 10:33 pm

I usually do a cold pull before switching nozzles, works fine most of the time.

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LePaul
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Re: Cleaning nozzles after removing?

Postby LePaul » October 29th, 2016, 10:38 pm

Yeah, hindsight...the nozzle is out now :)

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Izzy
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Re: Cleaning nozzles after removing?

Postby Izzy » October 30th, 2016, 4:10 am

I always do an atomic pull clean when switching nozzles, you should be able to reinsert it and do the clean.
Izzy.

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Dim3nsioneer
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Re: Cleaning nozzles after removing?

Postby Dim3nsioneer » October 30th, 2016, 4:41 am

For some filaments the cold pulls do not work properly (actually for everything except PLA). So I leave it in the nozzle. But I rarely use the unload procedure from the printer as then I get a strain (not true for Woodfill). Heating up the cold retracted material to 85-100°C and pulling it out leaves an amount of filament left in the nozzle but not in the heater block.

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LePaul
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Re: Cleaning nozzles after removing?

Postby LePaul » October 30th, 2016, 10:56 am

I know how I do it (manually) on the UMO is vastly different than the UM2+

I wonder, on the UM2+, what temp it retracts the filament?

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Dim3nsioneer
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Re: Cleaning nozzles after removing?

Postby Dim3nsioneer » October 30th, 2016, 11:43 am

With the change temperature of the currently selected filament. It can be or is defined in the material list.


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