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Flow Smoothing?


Keventurist
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Posted · Flow Smoothing?

I've found that using adaptable layers, faster infill and supports, thicker infill layers ect it can quickly get impossible to find a temperature that works well for everything since the rate it's being asked to extrude plastic can vary so wildly.

Hot enough for the fast thick infill means strings and blobs on the surface.

Cool enough for the fine surface means jams and under extrusion on the infill.

I've set up auto temp so it can go up and down but it can only adjust so fast.

 

So I was wondering if there is a way to smooth out the flow so the nozzle has a chance to heat/cool.

 

Essentially when suddenly asked to deliver a lot more plastic it could slow the print right down so the actual volume of plastic remains similar. Then slowly speed up as the temperature rises. And before it has to deliver less it could slow back down as the nozzle cools in preparation.

 

Does this exist already? Or if not could it work?

 

(I couldn't find it from Googling but that could just be not knowing what to call it)

 

 

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    Posted · Flow Smoothing?

    That is why is it always best to set all your print speeds to the same value. There will be exceptions, I am thinking of a flat surface which covers most of the print bed and you certainly are unlikely to want to run the infill at 20 mm/s ! With something that size as long as you print inner wall(s) first you should be fine; with something smaller, but still big enough to want a fast infill, then printing an extra wall may overcome the problem.

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