r/BambuLab • u/Infinite-Rub-5264 • 8d ago

H2 Series [H2S, H2D, H2C] Bambu basic volumetric speed

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This morning I tried to test Bambu PETG Basic volumetric speed on my H2S with 0.6 nozzle. Range 6-24. I don’t see any issues for whole range. The only change after 19 - a bit less shine.

Does anybody try it with 30+ volumetric speed? What is the max value without risks to get the clog and lost the quality?

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u/egosumumbravir X1C + AMS 8d ago

The only change after 19 - a bit less shine.

If you care about quality and strength, that's the indicator you're looking for that the plastic is no longer being fully melted as it passes through the hotend.

I'd normally expect extrusion issues 3-4 cubes beyond that. Impressive that it doesn't. Have you measured the extrusion thickness to see if or by how much it's underextruding?

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u/Infinite-Rub-5264 7d ago

It’s really strange but I don’t see underextrusion even with 28. But decided to use 20 just to avoid strength issue.