I wanted to share a couple of settings that we’ve created to print resins that don’t have official settings on 4L, particularly for Alumina 4N, Silicone 40A, and True Cast.
There are a bunch of different reasons that we don’t have actual shipping settings available for these, but we are able to create a ‘best guess’ setting for these so that you can go ahead and print with the materials, just be careful - since it hasn’t been tuned by our SetOps team and passed validation, we have no idea how often things will fail and how accurately parts will come out. This also means that our services team may not be able to help with the setting.
That said, you actually won’t need OMM to use these! You can just import the setting into PreForm, and it will show up as selectable in the normal selection page.
We do not, since it isn’t an active area of work. I do know for Silicone some people have found that they need to use a higher exposure for the first layer (~700), as well as going into custom peel and decreasing it by about 50%, but I haven’t tested it myself and so don’t have any exact changes to it.
Sean, would you pretty please be able to post settings for a 3L/3BL for the Alumina 4N? I know there’s a good chance of failure. Pretty please with a cherry on top!!
These settings haven’t been validated in the same way that settings automatically on Preform have, so there is no guarantee that they will work. I know a few people have had success, and a few people have had to make modifications. Generally the most common modifications I’ve heard of are reducing the irradiance and reducing the squish intensity (the parameter that doesn’t require turning on custom squish). Since we haven’t tested it extensively, I can’t say it’ll be the same results as F4, but it should be somewhat similar.
Hey @SeanB - I’ve been attempting to print some Silicone parts on the 4L and having some failures. Would you be able to answer a few questions for me?
Someone else at FL recommended reducing irradiance down to 8 or 4? The forum default was 13. Any idea why this would help (or not)?
Why is the Perimeter Fill Exposure set to 0 for the 4L profile, but 56.80 on the Form 4 profile?
Why is the Stage Two Peel Distance 15mm instead of 35mm like on the Form 4?
It was also recommended that if I encounter print failures, to reduce squish intensity to 10. From my previous experience squish intensities at 10 always fail and it failed with Silicone as well when I tried (it would print the first early layers and then nothing after). Any comments here?
