M2 Print Speeds

[Lon Varscsak]

Just curious, what speeds does everyone print at?  Typically my base speed is 70mm/s and my loops are 50mm/s.  But I just realized that my KISSlicer settings had loops at 80mm/s and the Zombie Hunter print I did turned out fantastic.  Maybe I'm not even close to pushing the bounds of speed?

-Lon

[Kyle Smith]

I just changed from 80 to 120 on a part i'm making and it looks better. The plastic is Matterhacker blue PLA which seems to melt at a lower temp than the black. I have it at 195C. Speed, temp and material all factor in max speed. The guys that get great results (I don't count myself among them) dial in the settings for each material, and verify it with each new spool.

I've also found that running faster speed means you'll have to dial back the acceleration. The Y motor will skip on parts that are long in the Y axis because it doesn't have the power to properly decelerate the table, particularly on G0 rapid moves. There may be a better way to fix that with jerk or something but I think the default 3000 mm/s/s is too high for certain parts.

Kyle

[Rick Pollack]

Kyle - you should not get skipping at that speed - the reason is likely either the pulleys or belt tension.

Rick

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[Ketil Froyn]

These are the settings I use for PLA with slic3r:

https://github.com/kefir-/M2-config/blob/master/slic3r-config-PLA.ini

Rough summary:

Infill: 100mm/s
Perimeter: 80mm/s
External perimeter: 60% (48mm/s)
First layer: 30mm/s
Small perimeter speed: 50% (40mm/s)
Solid infill speed: 80% (64mm/s)
Travel speed: 300mm/s

When the slicer can handle the difficult special cases better, you can speed up the easy defaults further. I bet I could run ordinary infill even faster without losing quality for most prints.

Cheers, Ketil

Just curious, what speeds does everyone print at?  Typically my base speed is 70mm/s and my loops are 50mm/s.  But I just realized that my KISSlicer settings had loops at 80mm/s and the Zombie Hunter print I did turned out fantastic.  Maybe I'm not even close to pushing the bounds of speed?

-Lon

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[Kyle Smith]

Will check those, but I tighten my belts about two weeks ago and I replaced the stock idlers with 106 bearing s when I got it. Thanks

[Rick Pollack]

kyle - the belts can be too tight.