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Off-time in PrusaSlicer 2.0  

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Flaviu
(@flaviu)
Estimable Member
Off-time in PrusaSlicer 2.0

I am using an Anycubic Photon and their Slicers are using an so called "off-time". It is a very important setting for the print quality. I can not find that setting in the PrusaSlicer 2.0. Am I blind? Is that setting not required for the SL1?

Respondido : 06/07/2019 9:43 am
BlueboyX
(@blueboyx)
Eminent Member
RE: Off-time in PrusaSlicer 2.0

In the SL1 that setting is in the firmware, so I am not sure where/if it can be found in the PrusaSlicer... 🙁

Respondido : 06/07/2019 8:12 pm
Blargedy
(@blargedy)
Active Member
RE: Off-time in PrusaSlicer 2.0

the only way to increase the off time I've been able to find is to increase the tilt time. I was looking for the same thing, and couldn't find it, so it isn't just you. Increasing the off time on our photons increases the print quality drastically, so I'd be eager to see this feature implemented. 

Respondido : 30/08/2019 5:07 pm
JohnF
(@johnf)
Active Member
RE: Off-time in PrusaSlicer 2.0

What does the feature do?

Respondido : 04/09/2019 12:45 am
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Off-time in PrusaSlicer 2.0

Hi John, 

The Anycubic Photon has a different 'Motion' to the Prusa Sl1
where the Prusa Tilts the display and vat as the bed moves up a lyer in height, I believe the Photon raises the print surface a distance plus one layer height, to peel the print off the FEP and then returns the build plate by the peel distance, resulting in the build plate being a layer higher, and I believe:-

Off time is actually how long the the build plate rests after splitting from each layer. Just so you know, the plate actually takes 6.5 seconds per layer to rise and lower with a 1 second wait time.  (ref. dmgdispenser / Reddit)

 

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Respondido : 04/09/2019 12:56 am
Blargedy
(@blargedy)
Active Member
RE: Off-time in PrusaSlicer 2.0
Posted by: joan.t

where the Prusa Tilts the display and vat as the bed moves up a lyer in height, I believe the Photon raises the print surface a distance plus one layer height, to peel the print off the FEP and then returns the build plate by the peel distance, resulting in the build plate being a layer higher

you are correct in this. 

Off time is actually how long the the build plate rests after splitting from each layer.

This is incorrect. The off-time includes the movement time. 

Despite the SL1 tilting at the same time, there is no option to add a delay between moving back to ready-to-UV-mask and turning the UVLEDs on. Letting the resin rest and fully polymerize is quite important and has a drastic effect on the quality of a print. 

 

-Berni

Respondido : 04/09/2019 2:02 am
JohnF
(@johnf)
Active Member
RE: Off-time in PrusaSlicer 2.0

Thanks, I was wondering how slowing things down affected print quality. 

Respondido : 04/09/2019 3:36 am
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