Model dragging along bottom of tank


#1

Hi. As my model is printing it drags along the bottom of the tank and snaps pieces off? is it not calibrated correctly??

formlabs2
grey resin


#2

Sounds like you may need to adjust the Z-fine tuning.
Take a look here:
https://support.formlabs.com/s/article/Fine-Tuning-the-Form-2?language=en_US


#3

The problem is probably either your build is not adequately sticking to the build platform (look at z-height adjustment, scuff your build plate with 220-grit, or potentially a contaminated build plate surface) or your model has some high suction forces. Those forces could come from a lot of surface area contact (try a different model orientation) or an enclosed volume creating cupping.

Did you lower your contact point size for the supports? That can also create a pretty fragile support structure.

There are some lower probability things like expired resin, etc, but not very likely.


#4

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