Elegoo Saturn 4 Ultra

[Naxramas]

Hello! Please help me with the settings on the Saturn 4 ultra, with the settings from the profile I get an absurdly long printing time.

[formware]

Hi,

I seems the machine needs minimum values for all these items of 0.05mm, which our UI doesn’t allow as it makes no sense.
Some users reported the machine works slow with entering 1.00mm but i’m not 100% sure.

I’ve tried to order a machine last week; but they are sold out.
We’ve just received the 3 Ultra in office, which contains the same OS, so i will at least check that today.
But it doesn’t contain the tilt vat.

kind regards
elco

[gonzalo]

Hi, i can try and help: see my settings bellow in the image, these yield almost the same speeds of a file sliced with chitubox. I hope it helps.

[gonzalo]

Once Elco updates the software where we can set distances and speeds to recieve any value (we need to be able to imput 0.05 here and there) it will be perfect.

[formware]

Hi Gonzalo,

So what difference will the 1.00mm vs the 0.05mm still make then?
As you mention “these yield alsmost hte same speeds as a file sliced with chitu” ?

I’ve tested the Saturn 3 Ultra btw, it works fine.
It even works with .ctb files instead of .goo files.
( it’s a ctb IC with a trimmed down linux OS on it, on what looks like a chip built for smart tv’s)
but of course that machine doesnt have the tilt.

kind regards
Elco

[gonzalo]

Hi there,
So what difference will the 1.00mm vs the 0.05mm still make then?

The tilt vat mechanism does the peel and detach, NOT the movement of the head. On this machine, the head only moves up by one layer thickness at a time. It does not move up and retract.

If the value is set to 1mm, the head will lift 0.05+1mm and come back in 1mm where if the value is 0.05mm, it will not retract at all, will just lift 0.05mm. The speeds we enter in Formware 3D are affecting this movement alone. So, if you enter 1mm/min (and we all did that trying to get to that 0.05 value) then you have a very slow movement up and down. If you enter a speed of 200mm/min you are over 3mm/s so thats probably the fastest speed limit to move that head. So, we are lucky that it still works, but we are adding movement of the head that is not intended to happen. Does that help? Thank you for your efforts to make this work by the way!

[formware]

Hi Gonzalo,

Thanks for the clearification. That explains why it moves up 1mm.
I’ve modified the boxes. Just to confirm, that will be the ones right? distance + speed

Release planned this week.

kind regards
Elco

[gonzalo]

Hi Elco, yes that seems to be it. Thank you!

[Manngunner]

Waiting for the update for my Elegoo Mars 5 Ultra as well, which has the vat tilt feature.

[formware]

I’ve pushed version V1187 to release. Can be downloaded from within the software or website.
It has the above discussed freedom in the numeric boxes.

kind regards
Elco

[Manngunner]

Great stuff! I have got the update, I will test later today on my Mars 5 Ultra and report back.

[formware]

Be sure to use V1188.
Somehow V1187 got a DLL missing when updating… Corrected that right away… but probably a couple of users have V1187.
A fresh install will work; but when updating the microsoft installer will remove 1 DLL.

Elco

[gonzalo]

Hello Elco, thank you for working on this for us.
I still think there is something not working correctly. Please look at the two images below:

Looks like the Z Retract speed value is still going back to 1mm/min in the G code, even though it persistently reads 0.05 in the configuration screen.
To make sure that it wasnt UVTools forcing a value on import. I loaded the file into Chitubox and there it also shows a value of 1mm/min for Retraction…see below:

Please let me know if there is anything that I can do to help!

[formware]

Hi Gonzalo,

I think UVTools/chitubox reset values to 1 if they are below 0.05 or 0.

I’ve checked both CTB (SDK) and GOO output format’s.
The code write all values to what you put in our input boxes.

If you activate the ‘two stage movement’ and then enter 0.05 in all boxes, it will work. Then all values are 0.05.
(I wonder if the machine even bothers with 0 or 0.01, probably it’s just chitubox user interface setting the value to 1)

Let me know if that works.

kind regards
Elco

[Manngunner]

Aside to this, I was able to get the print times identical with the following for 20 micron layers:

I noticed that Chitubox will not modify the speeds based on layer thickness.

This worked via USB transfer for the Mars 5 ultra

[gonzalo]

Hello,
I confirm, checking the “Split movement in 2 Stages” box and adjusting all Z related distance and speed values to 0.05 works.
Thank you so much for getting this done.

Best

Gonzalo

[formware]

Thanks for all the feedback.
I will adjust the online profiles for these machines…

Fyi. I’m looking at other solutions for the future.
Currently thinking if we can move all this ‘export formats’ to a seperate script format.
So if can just be changed by every user. And we keep a central library with verified profiles.
I think it makes no sense to keep updating installers everything a printer manufacturer changes a couple of bytes in their installer format…
Looking at how they do it in the CNC CAM software (i.e. Fusion360), they just have javascript scripts that handle all the post processing into machine gcodes…