3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Ideal nozzle diameter (discuss.tchncs.de)

submitted 1 year ago by [email protected] to c/[email protected]

15 comments fedilink hide all child comments

Hi all

A higher nozzle diameter has the benefit of being able to print faster due to to bigger layer width. There is a tradeoff, you'll have to lower print speed and/or raise temperature to maintain proper layer adhesion. That means that there is an optimal nozzle size for a given print speed/temperature combination. You also don't want temperature too high because it will burn/degrade your filament.

In my experience layer adhesion is quite poor with a nozzle of 0.8mm and it also prevents you from printing finer details (gear teeth for example). The tradeoff versus a 0.4mm nozzle doesn't seem worth it especially if you print overnight.

What are your experiences?

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[–] [email protected] 5 points 1 year ago

This is like asking "what's your favorite color?"

Every print and every project is different. At work I used to use .8 because I wanted speed above all else since the models were all functional and tended to be quite large. I think I might have tried a 1.0 but didn't like the results.

At home I've settled for .4 just because I usually start prints in the afternoon and print overnight. An extra 20 or 30% print time isn't a deal breaker if it's for personal projects.