Why does my printer print slower then the sliced speed?
 
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Why does my printer print slower then the sliced speed?  

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ofer feldman
(@ofer-feldman)
Member
Why does my printer print slower then the sliced speed?

I slice some models at around 300 mm/s, and the actual speed in the slicer showed that, the time was suppose to take 14 minutes, it took about 45 minutes, why?

Posted : 15/09/2024 5:26 pm
Venice3D
(@venice3d)
Eminent Member
RE: Why does my printer print slower then the sliced speed?

The speed you specify is only one of the factors. There's also a maximum volumetric rate (how much plastic can go through the extruder per second) and a minimum layer time to allow for cooling, plus maybe others that don't come to mind right now.

Posted : 16/09/2024 2:53 am
ofer feldman
(@ofer-feldman)
Member
Topic starter answered:
RE:

these are the speeds the slicer says, and it took 2x time

Posted : 16/09/2024 5:24 pm
Venice3D
(@venice3d)
Eminent Member
RE: Why does my printer print slower then the sliced speed?

It might also be limited by the acceleration of the printer. It looks like the model has a lot of changes in direction and so there might just not be enough time for it to get up to the target speed on any segment. I don't know whether "actual speed" takes acceleration into account, or whether this happens later, in the firmware.

Posted : 16/09/2024 9:56 pm
Diem
 Diem
(@diem)
Illustrious Member

This ought to be sticky:

The speed you set is the maximum permitted; high values will only be reached on long, straight, extrusions.  You will see no difference in small prints.

Cheerio,

Posted : 16/09/2024 11:45 pm
ofer feldman
(@ofer-feldman)
Member
Topic starter answered:
RE: Why does my printer print slower then the sliced speed?

it does

Posted : 17/09/2024 1:31 pm
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